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Citrix Synergy TV - SYN209 - Let's get serious about hybrid cloud deployments

Leo Singleton
Principal Architect, XenDesktop at Citrix
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Citrix Synergy Atlanta 2019
May 22, 2019, Atlanta, GA, United States
Citrix Synergy Atlanta 2019
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Citrix Synergy TV - SYN209 - Let's get serious about hybrid cloud deployments
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About speakers

Leo Singleton
Principal Architect, XenDesktop at Citrix
Angelo Saraceno
Product Manager at Citrix

About the talk

Learn how the Virtual Apps and Desktops service makes complex setups simple to deploy and manage. This session will cover key hybrid use cases such as phased migration and geo‑expansion. We will also address how to architect a large-scale deployment, overcome cloud limits, and leverage the new autoscaling feature to support disaster recovery and cloud burst use cases.Note: This session will be available for on-demand viewing post-event on Citrix Synergy TV.

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Hypertrophic in I just wanna make sure everyone can hear me. All right, if you can't do 10 jumping jacks. Are you good at wonderful? Okay, let's get serious about hybrid Cloud deployments. I am Angela saracino product manager on Virtual apps and desktops and I'm doing here with only a Singleton. I'm an architect at Citrix responsible also for virtual desktops. If you want to join the conversation, we have the following hashtag. So you can sweet Citrus energy and Citrix workspace and also tweet using the session tag. So let's get into

it with this talking about we're going to get into what hybrid deployments are where they go to the reasons of why and why would use a hybrid deployment then we'll talk about considering your Citrix deployment for hybrid hybrid configuration. And then we're going to get really deep into the UK specifics of what the benefits of hybrid entail that we're going to get into FaZe migration disaster recovery, and then also handling first. The first one to get into white and why is I have an appointment in white at Citrix? We consider a hybrid appointment is to begin the prettiest

style of configuration where you have both a public cloud and on-premise Datacenter workloads. Basically you allow both the data and applications to be shared across your different workloads and environments. You can use it to take advantage of scale agility and cost flexibility and we really want it doubled down on cost rear really because there's a lot of use cases where if your on-premises data center importunate goes down, you're costing your company millions of dollars so far proper preparation and prevention would really help you handle those

cost. And then specifically we're going to get into you know that use cases and benefits of hybrid deployments. So one of which is a recovering or if there's anything wrong with both the clown or on-premise in stata center, you can provide a very consistent experience for your end-users help you with your face migration. I'm pretty sure everyone here has a director or so. It has a certain time table to move to the cloud doing a highway department will allow you to move to the cloud at your own pace. And then Geo expansion where you can be able to either expand into certain Gio's

without you having to stand up a new location. This is really a very resident with folks that were expanding India or China who do not want to have a physical footprint, but just want to take advantage of existing infrastructure or public cloud and then addition birth cenarios. Everyone here has probably been in a situation where they've had an unexpected workloads and might have had overrun especially if you're honest or scaling on-premises data center whenever you add more Hardware that's a fixed cost is going to be with For the rest of the cloud to get to be much more flexible. Now

to help talk through what your configuration for hybrid look like Leah, we'll take it away. So all of these cases for hybrid, there's four factors that you really have to consider. And in this particular order to the first thing is always going to be the site to site connectivity will talk about your options on the next slide. Second is identity. You need to connect your identity up to the cloud. 3rd is external access walk you through the different options for providing external access to users. I'm in last but not least is the Fishers

configuration. This is when you go into Studio or the manage console the manage tab of our console and go in and actually configure your environment. So let's start with psych psych connectivity. As I said in regardless of what use case is this is really going to be your first consideration when you set up a hybrid deployment options to look at them as good better and best right. The easiest option is going to be just use a plain old VPN every cloud vendor out their offers these they're easy to set off and they're fine for low bandwidth situations where reliability

isn't the most important and I like your POC environment step test type environments. You can always just start here. A big improvement over a typical VPN is going to be nasty when we have a great Citrus Fu Wham product is not that much harder to set up in a VPN, but it gives you that reliable multipath routing. It's going to give you up you ass on your traffic W much better option for extending your on-premises data center up to the public clouds and just a regular VPN. And last but not least for the private connections the cloud vendors also offer these mpls links where you

can get private fiber dedicated up to the cloud. This is going to be the lowest latency option now, we'll talk about the different applications. And whether you're used case really requires this it's going to be more expensive is also going to be very time-consuming. This takes months to provision and set up so you really only when I go here if you have a workload that depends on it So we got us a lot about using different identity providers especially for your hybrid deployments now 431 preface that we do get asked a lot about using Azure 80 demand

services or using a DFS and they're generally not suitable for hybrid appointments. Even though these are good options, especially if you want to maintain your access in the cloud or you're getting ready to go Cloud only our for suitable for hybrid. You really want to go with your AWS directory services or extending your ad to the cloud to another site through a trust or by sight and then having the two sides on the same peanut butt end of the day those three would probably be suitable As you move forward and I want to take a moment to describe a trust a little bit further.

So when you have both your on your site for your on-premises intercloud you need to make sure that the same users are both persistence and your cloud and to your on-prem. So there is a lot of situation Where again with the ATF fast there's a shadow that is created. So just fine for your sass apps, but if you have for example applications that might have a back-end only an on-premises you really need a consistency that a trust or extending your site can allow you to do. So again, for example connectors don't Traverse the force of the main level, but we do offer work around 4, you can

just employ a pair of how connectors in each of your Forest. Will be helping us talk to the external access. So they're a couple of different options here. The first the easiest is we do talk to a few customers who don't require external access the step up isn't always required. Sometimes you've got a call center your employees only work from the office. They work on these things clients external access isn't concerned. It was just that network connectivity of the VPN NFC win express route to get out to the club. Now, we do offer another option, which is the Citrus Gateway service. Now,

this is included with virtual apps on desktop. So everyone who buys Apple desktops from Citrix gets the Gateway service and we include a gigabyte per user per month of data is acting metered by the amount of data sent through the Gateway and it's pulled the trigger user. So it's not that you'll get it over it gif single user use more than a gig. It's pulled between all of your users that you buy and if one user uses two gigs in another user doesn't use the Gateway service then that averages out. Now with the cloud service, we do have some customers that don't want to fully move to a

Citrix Gateway service option for these you can continue to run your own Citrix Gateway for the public Cloud. We offer the Gateway VPX has you can stand you stop being AWS or Azure or for on-premises. You can still use the hardware in PX Appliance put that in your vacuum your data center and use that as your Ingress that one important consideration here and we'll talk about the resource locations in a minute. If you're using multiple resource locations, you can pick and choose so maybe you choose that. I'm going to use the MPX for my on-premises data center. I'm going to take that one gig

of data that I've got for the Gateway service and pull that just for my cloud resource locations or maybe another use cases. You have a couple of smaller Branch offices and you want to use Gateway service there but manage your own gateways for the larger offices all of those are options when it comes to external access with the virtual apps on desktop search. So now let's look at the Citrus architecture as we just talked about. These are what we call resource locations. The resource location is going to be your data centers or a region in the public Cloud that you pick.

You probably already have active directory some form of data, whether it's file shares databases or what not on premises and the first factor is always sending out the connectivity so it could be a direct connection mpls Lane could be NECN BPM and then step two is to connect your data and identity. So we talked about the different options here with trust with extenuating sites need to get this setup. Now, here's where I would recommend do those first two steps before you ever even request a trial of the virtual Desktop Service. It's a time trial so they

start kicking and you're not going to really be able to do much with the service until you've got to this point and you've got your resource locations. You've got your Cloud connected to your on-premises network and identity setup. What's your prediction that service quick and easy at the SAS offering so you install your to call connectors now the cloth necklace or a real key component to this process service. This is what enables Citrix to talk to the components in your research locations. Now for high availability. We're going to recommend a minimum of two Cloud connectors for

resource location. They're really easy to install they're cheap to operate are they run on pretty low Indians to Coors 4 gigs of RAM are a Windows installer. So they need to be domain-joined to your network that allows us to connect to your a d That's how when you browse around within the first watching Desktop Service. You can select your Iggy groups users provision machines in Euro you all this happens via the cloud connectors. All the other thing about the cloud connectors is they are auto update. So you just need to install them once and let the auto updater to run. We push out

updates roughly every two to three weeks. So there's not a fix schedule for that's the usual Cadence and then all communication of these power connectors is going to be outbound from the cloud connector out to our child service over 4443. So everything's encrypted with TLS 1.2 big change. We made a last quarter is we did deprecated yell at 10111 are the only communication now is over TLS 1.2 and it's not showing here, but we do support hdcp proxies. So, some customers will choose to configure an HTTP proxy between the cloud connectors and the public internet while we do

support that configuration. So once you have your phone connectors now comes your master image, right? This is the image that you used to create your videos from using a technology like machine creation services on the on premises side. We do so for PBS also all but one key consideration is that these two Master images are not necessarily the same and the reason for that is every hypervisor and public Cloud out. There has an agent some tools that you need to install within the VM for Optimal Performance and management and these differ from one vendor to another we'll talk about this later

in the session. If you got a couple of different options here on how you can automate this and create images that work both on premises and Cloud. Now you use them CSU create your bda's. He's bda's talk through the cloud connectors to get out to the internet. These are your actual workloads that your users log into and you can have the same VA image on premises and in the cloud managed to be a Citrix you can configure policies will talk about this in the next section on how you configure the policies throughout the users to both. And as we said for external connectivity, you got a couple options

one option is the Gateway service. That means you're Citrix workspace app sure users will talk to our cloud service are called manage Gateway and then down to the mediation sauce. But you may also choose to manage your own Gateway self. Whether it's an MPX on premises or bpx out in the club. Let's talk a little bit about how would scale in the cloud. So first I want to get into like why you would want to do that. Mostly because there are documents and limits within how public Cloud have their subscriptions or have their accounts example. Is that a sure I believe Matt Capps you out at

4096 Eyed Peas of applied to a subscription. So for example, before you want to hit that car, you might want to pick an architect your Cloud footprint in a different way. So I want to introduce the hub-and-spoke model. So what you would have is that in your public Cloud Hub you'd have basically your data on your active directory, maybe your internet filters or other type of infrastructure. And then really we would set up Venus to those folks so you can transfer the traffic that you would get. So let's assume that we're going to have to spokes in our model. And what we want to do is we want to

remove the cloud connectors the master image and our pdas from our Hub and start setting up our Master images in are in each of Folks once we have our image set up then we also want to set up RV DS and then have our Cloud connectors and he'd spoke and then in the public Cloud Hub, you would basically as mentioned before have your filter not. One other consideration here. I also hear a lot. The hub-and-spoke model is very useful for for performance. You can go to Azura's website. You can see the limits like 4,000 IP address is you can go to AWS or Google TV same sort of hard limits and not what I

hear from customers as they start noticing the performance the grade as they get larger and larger and larger in their catalog start getting over a thousand bda's. They say well, it's taking me 2 hours to update my image one way to get around that is a hub-and-spoke model where you start splitting into multiple spokes all attached to a central Hub where you got your data on your internet filters. No sort of devices. I'll keep those centralized but for the VA send catalogs spread them out into a hub-and-spoke model and you'll see the performance go back to the same as a much smaller

environment great way to scale. No, one thing we haven't touched on and we can talk about hybrid at a high level and how you deploy it but let's see what I've wanted to play a hybrid deployment cloudburst situation with for apps very simple. These are my for apps in workspace. If I go into virtual Desktop Service. What do I see is machine catalogs delivery groups applications policy doesn't really map to some of what we've been talking about. So I want to walk you through the object model itself and how you would actually do that Citrus configuration within the console just

to meet the architecture to be described. The first object you will find in the virtual desktops console called his own now has his own defines your network topology. So basically it's a land it's going to be something that's high bandwidth low latency everything within that zone can easily talk to each other in general. This is going to be every on-premises data center you have or if you're using public Cloud which region of the cloud will be his own now zones are basically the same as what you'll see resource locations in the Citrix Cloud platform itself. And in fact what

happens when you configure a resource location in the platform and install connectors, it automatically syncs into the manage console has its own with the connectors there. I really just the difference in terminology comes from the premises product our existing iPad minis for many years are used to the zones terminology and that's what the console still says. So in my example, I've got four applications. Let's say our headquarters our existing data centers in San Francisco. And I want to burst out into Azure closest region to us is going to be you as well. So we would go into the cloud

console. We can figure 2 resource locations. We put our two connectors in each we go in and we see two zones San Francisco and Cloud you as well. Second object within virtual apps and desktops is called a hose connection. So a hose connection is what points are cloud service to your research location. Now in general you're going to have one hose connection persone, but it's not necessarily A one-to-one mapping. And the reason for this is where Angela was just riding with having spoke. Sometimes your day counter scale limits, whether it's a public cloud or also on Prince's

hypervisors. They have the same sort of challenges. So let's say I'm using Citrix hypervisor and I've hit the limit of the number of nodes. I can put in a pool. So in San Francisco actually need two clusters of citrus hypervisor. I put two hose Connections in my San Francisco Zone. I put one hose connection in u.s. West to measure Third object is going to be a catalog now the catalog represents the image itself and the VM created from it. So you're going to need one of these per image for hose connection in our case. Let's make the most complex we can

we're going to have two images. We're going to have one for the office apps and a separate one for the browser apps and we're going to put them on all three hose connection. So we're going to have to catalogs of office on the on-premises resource location. Also one in cloud and will do the same for the web browsers who got a total of six catalogs here. Now we don't really want to manage six different catalogs, and that's where delivery groups come in. So the next object you can figure is called it delivered group in the console, and that's going to aggravate these catalogs back together

into the object. You want to manage now. Typically, this is where you would do your user assignment, so we are going to create one delivery group for our office at 1 for our browser apps. This is where we can manage the users who have access to each and then comes in his own preference. So when I create these delivery groups, I'm also going to want to create its own preference policy create the Affinity of my users to the San Francisco data center for cloud u.s. West now, this is where these use cases. We describe come in if you're doing it on the HOA deployment it's active active. You

may not need some preference you just load balance equally if you're doing PR then you'll probably prefer on-premises overcloud sing for cloudburst you prefer your on-premises network with no preference and then fail over to Cloud when that one fills up. And last but not least the application object. These are the resources that appear in Citrix workspace out. There's going to be four of them the two office apps that you web browsers and these can span multiple flipper groups. I didn't show it here. Now. There are use cases where you may want to have one at Publix from to delivery

groups. But in this case, we don't need that. I saw their debts. So with this deployment in this configuration within the virtual Desktop Service, we've taken before applications. We've overcome scale limits of hypervisors. We've deployed them in the cloud on premises and all these RC are the four icons in workspace app. They don't have to worry about what's going on behind the scenes. We can burst into the cloud when you are on Chromecast d pills up and user never noticed difference. Now it's brings us to the second part of the presentation or we got to go into the UK

specifics. I want to preface this by saying that when it comes down to timetable for your face migration, you might have applications that are very portable and simple we're going to get into the different types of applications and workload. They might have them for Disaster Recovery. We're going to get into the preparation of what you have to do first. And then what are the considerations that you have to account for when setting up a Dr environment? And then we're also going to get into the types of burst workload. So you can scale efficiently throughout whatever size you wish to use.

the first time to get into phase migration so these are the types of applications when it comes to the reason why you might want to do migration and then doing it in the way that you want to do. So or the first step is really when you doing a hybrid deployment. It's really all about pacing you might have different time tables as to for example, what wear clothes that need to be transferred over you might have a an application that's running on an empty server somewhere in the corner and do not want to touch it. And then when you do your migration to got to get to pick which work clothes

are easy to migrate over others and then as you guys are spending into the cloud you can basically, you know, the new work light. So you have that are more self-contained. I want to get into that later can be spun up here. And then why you're doing this this hybrid mode can actually be done as long as you need to for example, because there is a single pane of management when you have your own friend and your cloud workloads. So what this looks like is the following. So first post office a self-contained applications. These are your Microsoft Office or so your Creative Cloud Suite where these

applications do not have a back-end. This is really easy to migrate. Mostly because you don't have to account for different types of an access in terms of the files. They work on their uses work on your Cloud workload or you just bring the files over but then things get more complicated is the web application for your science applications. You might have to have your considerations of access maybe have to set up your ad to make sure that they are unified you might have off today have to account for these are types of situations that might be a little more complicated policy-wise when

migrating. Then we have a client server applications. This is your share points your Skype for business. Where are you have to worry about latency and latency. Is there something that we probably touched on for a little bit when it comes to type type connectivity, but if you're for example having Skype you want to make sure that you know, you don't have that say more than 50 a mess because you know video lag will really the greater quality and then you have your legacy center applications as mentioned a scary applications where your back and might be on and I'm kind of skew out somewhere or

you might have few notes. Also two deployments It Was Written proprietarily like 10 years ago. Not really sure who's still managing the application so, you know who's going to take you maybe a few months or so to figure out what it's going to look like as you as overtime for sample what you might want to again migrate the clouds to the either one's first, and then you within a few cases later or just a few servers lying around. What's in a lab on that slide this really ties back into the initial four factors particular around your network connectivity and your identity

write your applications are going to be what dictates your friend since that latency. That could be a reason why you might choose dedicated fiber over an SD win is because you have a specific application that just can't tolerate The Late Late and see and you need that low latency dedicated connection to solvent recovery my favorite butt dial for a moment. We are now going to be accountable for acne worldwide. So we're going to be sitting at the scenario where it's a retail company with its headquarters

in Atlanta for on 200 or so employees their primary data center. They got a really good deal for a colocation in Dallas using Azure us Central is a Dr. Site. They have remote workers and a desire for RTO. Ostrich hypervisor in Dallas with run 25 to 50 years and I want to take a moment to point out that I used to be a lot of questions related to you know pie availability vs. Disaster Recovery methods Disaster Recovery is a type of setup where you have an active passive as in your Cloud site isn't actively having workload until you need it. Where is

high availability is where it's active activewear. You want to disturb you all were close evenly that's not really suitable for Disaster Recovery situation. Leo's going to take us through what the preparation and things have to account for for a disaster recovery. So as we can face, I'd multiple times throughout this presentation step one network connectivity. So we don't want to wait till we have a Dr. Event start to figure out how are we going to get our headquarters connected up to Asher likewise, we want to make sure that if we're using a VPN arrested when is our internet

connection going to be able to handle all that extra traffic now going out to Azure in the event of a Dr. Scenario. So this is step one plan this out Step 2 identity right with active directory. The best option here is going to be to extend or a d into the cloud up front that's having a d site already going. Everything's replicating up there this company Acme, you know, they want to save a lot of money by not running their Dr. Side all the time. They're just going to spend it up on demand a sure but you do have to have some basic infrastructure already up there and running ahead of time

8. He's going to be a big one. Then comes to Citrix infrastructure. So you definitely want to get your golden images up there. I will talk again in a few minutes on how you can build the image for both the xenserver on premises and Asher using this job things like capillary how the other thing is, you'll need to install some connectors. Just like I said with a d this is going to be some of that core infrastructure you want running up ahead of time before the Aragon are Cloud connectors auto-update. If you power them down leave them offline too long. They're not going to register when they

come back up. You'll have to reinstall them. So I'd recommend just have your to cloudconnect up and running. Make sure you have your master images. They are get those up ahead of time and then 4th is going to be your data. Obviously. This is really important and this is where a lot of third-party Technologies come in you're going I need either replication for databases such a SQL replication. You might use some dis mirroring solution to get disk images up to the cloud and keep them sync up. I will talk about Azure site recovery is one option. I can use for all your data. The real

quickly where to go through the replication acknowledges that you have for your user data and how to account for your images one is you might want to go with an automated just creation to book such a Citrix app layering. And then for your user data, you really want to look into Investing For Your cloud storage reassure following OneDrive can help with the replication using data. There's also a third-party SQL Server replication. We're starting that you can take with your databases. And then in addition right you have a address at recovery is mentioned before that, which will get into as the

ability to be able to handle your application. That's when I get into such a capillary. So as mentioned when it comes to your images one thing that you have to account for is you might have a different hypervisor on Prime than you do in a jerk. So you just maybe can't throw your supervisor images of your humor images into a sure you actually have to make sure that the same hypervisor or the Habit by charleigh Rose accounted for Citrix app layering can help with this images of independent layers. We have an application-layer your platform where the hypervisor lives and then the operating

system where and then basically collapse of these lyrics to produce a master image you want to make sure they have multiple images produced. So to account for the different hypervisors or where your applications might live application stalls when we need to be done once to update all the mess with images and this might be useful when accounting for your font sight. Next Presidential address at recovery recovery technology in Asher wear rubber kitchen disk images. Basically what happens is for your VM, so you can pay a flat fee for replication technology

for your servers. But then until they're powered on overtime. It will keep a copy of your data and time into the Azure site and then failover is Manuel and when this happens you're able to Okay, cool. Well Leos and help us actually get back online. So all right. So let's say we actually do have a Dr. Event. We talked about the preparation. What do you actually have to do when things come up step one is going to be the data. So just as Angelo was about to lead into a lot of times a day to failover is Manuel in the case of azure site recovery you log into a sure you hit the

feel of her butt in which is actually going to spin out vm's based on the latest disk image is replicated. That's how you got those beams up their database replication may also be a manual failover event to bring your databases. Saw your file database is your child replica as your primary going to vary from one service to another next is going to be to spin-off that capacity. So we wanted to use the are in the cloud save money, right? We didn't want to pay for our 25 servers running 24/7 in adyar site when we're not using them. This is the time that we would take those golden

images. We use machine creation Services has been up those 25 e d a s Next is where will actually switch over so if you're using Citrix workspace is going to be automatic. Right? We have a highly-available Citrix workspace that can be your front end or Gateway Services spread out across 14 different pops. So it is highly redundant some customers do run their own Gateway Sauron on premises storefront. If that's the case then this would be the time to switch the DNS if you're using a d internally you would be able to change it because you've got 80

up and running in the cloud. If not, maybe you're using a highly-available third-party DNS Bend or you can log into them and change your net scalars and storefronts over to the jail or site. And hopefully we meet our for our RTO and we don't need that for thour but have some spare time just in case. So I want to take a moment to also probably mention that when it is time when your outage is over now, your Cloud site is actually going to be ahead in time datawise, then it is your friend data center. So once your Datacenter is

before restored replication actually has to be done back before you able to switch over and make your data center primary actually takes longer than 4000. This is actually going to take some time for the two types of things before you're able to just have your address Central go back into Dr. Mode and be ready for another outage so I can as mentioned man who fell over in the beginning and then you have to press that red button again just didn't get it back. So next we want to talk about burst before we get into it. I want to basically describe the different types of workloads.

It's going to help us really understand what to account for one is your best load. So these are as you're sitting of cyclical very expected workloads that you might have, you know, you have your employees clock in at 9 a.m. To clock out at 5 and you able to account for what happens next is your expected. So these are situations that you know, you know that there's going to be a expansion happening. Let's say your company is going to be acquiring a new company or the season seasonality in terms of retail or call center. You know, this was going to be happening if they are in a scale

up to handle those types of things. But however, you will be able to wind it back down and the third one favorite is unexpected first. So you have some sort of event that happens or something is not available in the workload took the ship there and expectedly and you have a lot of capacity so you don't have enough capacity to handle the demand. So we'll talk about how come you again. So let's assume we mention that they retail company. So they're going to have retail workloads and Leo will help us talk through how to handle those that meant so this is a typical

customer usage pattern we get this feeling between the cloud and quite honestly seventy-five 80% of customers. Look exactly like this. It's a very repetitive every week the same sort of pattern Monday through Friday usage saturday-sunday light usage and then it repeats week after week now Atkins retail company. So they're a little unusual in that they have seasonal variance to so there's a holiday season for the end of the year where their load gets higher than it is the other nine months. Occasionally though. Maybe they have a say off in May and spikes up

one random week in the middle of the year not part of the holiday season that happens to this is a great solution for a product like autoscale because you can Leverage The Cloud you can only pay for that first capacity when you need it. Now essential oils said the first type of usage to consider is your face bloat now here I've drawn the base load is basically the highest usage on an every-week, right you made some customers may say Olney provision for 80% base load of my typical weekly load, but the reality is cloud vendors offer huge discounts for

reserved instances. If you're going to commit to a year 2 years 3 years, you can save 15 to 80% Now, I've seen some customers try use auto-scaling they'll say let's go ahead and power everything off at night. And then the next morning will power back on. Yes, you can save 30 40% doing this but the discounts you'll get from the cloud vendor if I just committing for a year and running it 24/7 most likely are going to be better. That's why I would say when you think about your base load think about at least 80% of your typical weekly usage. That's what you're going to want to consider your

face mode even in a retail company like this that has very spiky usage. Next are the expected first. So let's say our base load is 25 GMS, but during the holiday season at seven more now, you can go into autoscale. You could say I'm just going to raise my minimum up it will provision some more it's really easy to do but then you'll have that capacity during the holiday season. So if there is that black Friday rush you don't want autoscale to be slowly ramping up VMS as things are slowing down you want those provisioned that's going to be the expected first. I

didn't last but not least. This is where autoscale really shines. So at all times, let's say we have a buffer capacity of another 10 VM in Azure of at all times that we can burst into. During that unexpected spike in may we ramped up we had some instances on demand. They we only paid for these tiny little spikes it would cost very little but by using the cloud we were able to have that extra capacity at all times whenever we needed it. Now one thing with that burst capacity and this is counterintuitive for customers coming from an old friend environment is it typically smaller is

better now on furnace has a lot of you may get 20 30 50 users on RDS PDA in the clouds Auto in general will see customers provision War for 10 to 15. And the reason for that is the ability to the bursting autoscale. So we pulled some numbers from Azure. Let's say I've got 36 users based on my workload. I need to d3b two instances handle those each of these instances can handle 18 sessions each. Now instead, let's say instead of D3 be to evaluate one inside smaller. Now. This has happened

memory half the course and it actually handles less than half. The number of users. The reason for that. Is there some overhead of just the OS the VA the applications that's going to be constant regardless of the insides. So instead of getting 18 sessions on HP, Dai only get eight on the smaller ones. Therefore, I need five now doing the math just doesn't look like a good trade-off. I'm paying a dollar of 6 an hour for the large instances and I'm paying a dollar thirty-five an hour for the five smallest. But this is only when 36 years was locked in what about win 3 users logged in

or 3 users odds are both of those two vm's have to be powered on now. You can do things like set idle timeout disconnect timers. This will help to log off those users who aren't actively using the product but if a user's actually actively using the section, you're keeping a very expensive VM on just for one user now in the case of having 5 p.m. For the exact same workload. I have three users two of them are guaranteed to be idle. Therefore. I'm already saving money. I'm paying $0.81 an hour for those three vm's versus I'm still paying $2 us-64 the two largest another user

logs off and the savings goes even greater. Swiss summary, we talked about 4 different use cases today. These are all great use cases of why customers use Burt Watson desktops and deploying hybrid configurations. We see customers constantly asks about Disaster Recovery. They don't want to pay double the cost to have a Dr. Site, but they want that reliability of always having that extra capacity. They can go spend it up in the cloud. If something happens their primary data center and only pay a small amount for just the basic

infrastructure that still has to run even when it's not at the argument. Second Use case in space migration we talked about the apps. We frequently hear even from customers that have a move everything to Cloud strategy while this is going to take three years and it takes 4 years in this five years. You have to look at the apps. It's just there's are aligned volved as far as what you're going to move to the cloud and what may just remain on for him for quite a while. Geo expansion another big use case you've got overseas workers. You don't want to do it out data centers there. There's

public Cloud vendors that can give you infrastructure in those countries and you don't have to own it. And then we just wrapped up with cloudburst right versus another great use case where you can just always have some extra buffer capacity for your virtual apps on desktop site in the public cloud and only for a few days out of the year. Are you even paying for it? Now with all four hybrid use cases the four key consideration for the same. You always start with your psych psych connectivity. You need to size that network connection determine your latest C

requirements. Am I going to get private fiber? Am I going to use S you when you didn't need to go to Identity figure out how to connect your AC up to the cloud 30 external access. Are you going to use the cloud Gateway or you going to run manage your own a Gateway VPX is rimpy axes and then you go configure it. And it finally we talked about a few use case specific requirements for Disaster Recovery. We really need to think about how are we going to replicate our images and our data up to the cloud when it comes to the phase migration and Geo expansion. We need to think about the apps.

What are the apps? What are the ones that we're going to move to the cloud? What are the odds are we're going to leave on premises and infra burst you want to think about how do I properly use autoscale? What do I use for reserved instances or what do I keep on for him? And what is the capacity that I'm going to scale up and down using on demand instances? Is a reaction time left. So I think we can go take some questions. There's a mic right now over there and if we covered everything, that's great.

Well, I guess we're the best person is ever. Why do I dress your what you just talking about without load balancing or using smaller servers in the cloud as opposed to on premise? So if I understood? You'd only see that situation may be at the end of the work day when people are logged. So I need to log off and you light-headed a handful of people that plugged in not going to most of the time you have two servers are 10 servers 420 servers with load balancing you're going to have at least one person logged into most if not all the servers. So is that that would that you would gain out of that

typically see in the Telemetry we get from customers using smart scale today and now the artist Gail feature that we're rolling out to the cloud a customer will have a typical 8 hour work day during which time they have all their capacity in use or 80% of capacity and use the time to drain typically ranges from 4, or maybe even to eight hours a day because you just have one or two users who stay home and work late and the reality is you're spending half your time in that. I had to click on it. Skip this one.

You've been hacked your day and work load. It looks like this this is going to be the 5 p.m. To midnight time frame where you got just a few users that are staying late. They're actively using your session so you don't want to log them off but you do have to keep the van is running. So the reality is that you're actually spending half your time in this very low usage mode, but you're unable to drain the va's because you got one user owners that might not be a viable model

and you're not as much of a person Ario if you actually have 24/7 usage. Anyone else? I think we got time for one more question. Sol before you leave we have a recommended religion one if you enjoy this one, we do have a session on Windows Virtual desktop in Citrix that's going to be tomorrow Thursday at 4:30 conference surveys are available by email and its energy mobile app starting on Thursday as well. And if you want to you can watch that shows on demand, and if you want to download the session and it'll be available from your Messenger account on June 3rd.

And in addition, I would like you to write the session and they're so cute on Saturday. So you get points for being the session. Thank you.

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