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Ivo Murris,[object Object],Molten Technologies,[object Object],February 3, 2011,[object Object],Enterprise Desktops Well Served Technical Review ,[object Object]
2,[object Object]
Cloud, virtual or ...as a Service?,[object Object],Options for desktops,[object Object],New on the block: Desktops as a Service (DaaS),[object Object],What is an Enterprise desktop well served?,[object Object],Deploying Desktops as a Service (and other hosted virtual desktop solutions),[object Object],Technical challenges,[object Object],Recommendations,[object Object],The future for Enterprise desktops,[object Object],Agenda,[object Object],3,[object Object]
From Cloud to ...as a Service,[object Object],4,[object Object]
5,[object Object],From Cloud to ...as a Service,[object Object]
From Cloud to ...as a Service,[object Object],6,[object Object],IT services are available all around us, with common examples across the industry: ,[object Object],Software as a Service (SaaS),[object Object],Infrastructure as a Service (IaaS),[object Object],Platform as a Service (PaaS),[object Object],Storage ,[object Object],Backup,[object Object],Data,[object Object],‘Everything’ as a Service ,[object Object]
From Cloud to ...as a Service,[object Object],7,[object Object],IT services are available all around us, with common examples across the industry: ,[object Object],Software as a Service (SaaS),[object Object],Infrastructure as a Service (IaaS),[object Object],Platform as a Service (PaaS),[object Object],Storage ,[object Object],Backup,[object Object],Data,[object Object],‘Everything’ as a Service ,[object Object]
Desktops as a Service,[object Object],8,[object Object],‘New’ is Desktops as a Service (DaaS),[object Object],Outsourced virtual desktop infrastructure (VDI),[object Object],Looks like VDI but isn’t,[object Object],Cloud Genes: ,[object Object],Universal access (Internet, WAN, LAN),[object Object],‘Pay as you go’,[object Object],Scale (Elasticity),[object Object],Resilient (reliability in many Nines),[object Object],Multi-tenant architecture,[object Object],Desktops are common flavors of Windows or Linux, not yet purelyweb based,[object Object]
What is an Enterprise Desktop Well Served?,[object Object]
A great desktop for a user:,[object Object],Has a consistent and intuitive UI which appears to run very, very fast,[object Object],Has all the applications you need (or want), with all the settings to make them run as expected,[object Object],Feels like their own,[object Object],A great desktop for an administrator:,[object Object],Is easily managed on a user, OS, and application level,[object Object],Enabled by clicking a button,[object Object],Is secure,[object Object],A Desktop Well Served,[object Object],10,[object Object]
An Enterprise Well Served,[object Object],11,[object Object],Every company has its ‘own’ way of doing their desktops and applications.,[object Object],Every company has its ‘own’ reasons for outsourcing and centralising their desktops.,[object Object],Security, Scalability, OpEx vs CapEx, Windows 7 migration and application testing, helpdesk outsourcing, ... ,[object Object],Moving desktops out to the Cloud is a consultative process.,[object Object]
An Enterprise Well Served,[object Object],12,[object Object],Virtual desktops can be hosted in-house, at a service provider, or using a hybrid model.,[object Object],Moving from physical edge computing to hosted virtual is often more complicated than expected.,[object Object],Don’t expect to move the desktops ‘to the cloud’ by doing a straightforward physical-to-virtual (P2V) conversion. It is not the same as server virtualisation. ,[object Object]
Desktops as a ServiceChallenges and Recommendations,[object Object]
DaaS Challenges,[object Object],14,[object Object],To deliver Desktops as a Service well, it must be planned the right way. The major challenges can be grouped into seven key areas:,[object Object],Networking – ensure that each customer can use their desktops securely in ‘their’ subnet ,[object Object],Remoting(part of networking) – ensure that each customer gets the required desktop functionality (e.g. VoIP device support, printing),[object Object],Storage – ensure that each desktop gets fast access to their  harddisk (on central or local server storage),[object Object],Servers – ensure that you get the desktop numbers per rack right while maintaining flexibility ,[object Object],Offline Access – Management of users requiring offline access (not necessarily for required for mobile users),[object Object],Users – The consumers of this new way of delivering desktops are often overlooked. Ensure the use cases are well understood before starting. ,[object Object],Licensing – Most licensing schemes are old school and made for physical desktops owned by the company. Do this early in the project.,[object Object]
DaaS Challenges - Networking,[object Object],15,[object Object],Networking,[object Object],Challenges: ,[object Object],The OS usually has low latency access to the harddisk over the PCI bus. With desktop hosting, multiple desktops are accessing the same storage cluster, often over the network.,[object Object],Every user is accessing their desktop over the network. The user interface (UI) is very sensitive to latency.,[object Object],Some recommendations:,[object Object],Separate customer facing networks from storage network and make them redundant,[object Object],Use low latency storage switching gear,[object Object],Minimise UI latency by choosing the right remoting protocol and network caching  equipment appropriately.,[object Object],Separate each customer inside their own VLAN and use VRF tags to correctly route traffic. ,[object Object]
DaaS Challenges - Storage,[object Object],16,[object Object],Storage ,[object Object],Challenges:,[object Object],Each desktop consumes harddisk space and requires I/O to the storage cluster. Common practices require updating of the OS, anti-virus signature files and applications at fixed times, which cause central storage problems.,[object Object],Some recommendations:,[object Object],Don’t use storage geared for server workloads but get dedicated storage for the desktop hosts. High IOPS (75%/25% write/read) and deduplication are required.,[object Object],Traditional storage vendors don’t deliver optimal IOPS/$ performance. Look into new vendors delivering SSD-only or hybrid solutions and Cloud characteristics. Ensure performance 24/7, also in degraded state. Assume 15-25 IOPS/desktop. ,[object Object],Align virtual desktop storage with the hypervisor: http://tiny.cc/bo151 (EMC), http://tiny.cc/79y87 (VMware), http://tiny.cc/73i3q (Virtuall - recommended),[object Object],Optimise the desktop image for virtual delivery by disabling unwanted services and functionality: http://tiny.cc/6yz2l (Virtuall Blog), http://tiny.cc/nq570 (Microsoft TN - recommended), http://tiny.cc/bo151 (EMC). Measure IOPS/desktop during pilots.,[object Object],Think virtual (outside the  box): Use dynamic desktop pools with frequently updated golden images, combined with application and user state virtualisation. Use anti-virus appliances on the desktop hosts ,[object Object]
DaaS Challenges - Servers,[object Object],17,[object Object],Servers,[object Object],Challenges:,[object Object],Each virtual desktop consumes CPU cycles. Desktop density per server is dependent on resident services and applications on each desktop, similar to thinking about storage. One server = 100 desktops, so reliability is key.,[object Object],Some recommendations:,[object Object],Pilot to gauge virtual desktop density per physical server core. Normal figures are 6 to 10 hosted desktops per physical core, translating to ~96 desktops per dual socket, 12 core server ,[object Object],Depending on power and cooling restrictions, density > 8000 desktops per 46U rack is possible (e.g. SGI Rackable, HP Blades) ,[object Object],From a reliability and networking density perspective, blade technology makes sense,[object Object],Smarter to build desktop infrastructure Lego style:,[object Object],Each rack has its own storage appliances, networking gear, and server nodes ,[object Object],Rackbased storage speed is ample to deliver bulk of storage I/O to local desktops,[object Object],Larger customers will require storage replication across these Lego blocks (elements) ,[object Object],Use Green IT management solutions to turn off desktop nodes or even complete elements when not in use ,[object Object]
DaaS Challenges – Offline,[object Object],18,[object Object],Offline Desktop Access,[object Object],Challenges:,[object Object],(Inter)networking has become universal and hosted desktop access should be possible everywhere, also for mobile users. However, in certain cases access might be impossible, or very expensive.  ,[object Object],Some recommendations:,[object Object],Define which corporate applications work offline (no backend requirements),[object Object],Define which user groups need those applications when offline ,[object Object],Ensure there’s control of the device (no BYO, real-time interface management, remote destroy),[object Object],Choose a solution that:,[object Object],Supports your desktop OS and strategy,[object Object],Is scalable to the required numbers ,[object Object],Requires low bandwidth ,[object Object],Makes desktop restore quick @ WAN speeds,[object Object],Offline ≠Mobile,[object Object]
DaaS – my thoughts,[object Object],19,[object Object],Moving to the cloud can be daunting. ,[object Object],Current datacenter practices at the SP and Enterprise are not geared to DaaS.,[object Object],Storage is important, invest intelligently. ,[object Object],Explicitly think through a company’s own desktop practice. Analyse which desktops, user groups, applications can move out to hosted cloud. ,[object Object],Don't do direct P2V - disasters can happen that way.,[object Object],Multi-tenancy is the way forward for large scale DaaS for both the service provider and large clients.,[object Object]
DaaS – Moving forward,[object Object],20,[object Object],When everything comes together ...,[object Object],With the development of web technologies like Rich Internet Applications (RIA), we can be certain that DaaS will move away from delivering a true desktop OS. ,[object Object],Further development is however needed:,[object Object],Applications and cloud services need to integrate and communicate seamlessly and securely. Technologies are there and expected to expand quickly from 2014 (Gartner http://tiny.cc/yhlzb) ,[object Object],Multimedia and rich display technologies need to be established and agreed upon (HTML 5, Ajax, Silverlight, Flash, ..),[object Object],Web browsers must become reliable platforms to deliver the needed functionality ,[object Object],The state and place of company data must be known and visible,[object Object],Not only self-servicing but also central management is required,[object Object]
DaaS – Moving forward,[object Object],21,[object Object],When everything comes together ...,[object Object],With the development of web technologies like Rich Internet Applications (RIA), we can be certain that DaaS will move away from delivering a true desktop OS. ,[object Object],Further development is however needed:,[object Object],Applications and cloud services need to integrate and communicate seamlessly and securely. Technologies are there and expected to expand quickly from 2014 (Gartner http://tiny.cc/yhlzb) ,[object Object],Multimedia and rich display technologies need to be established and agreed upon (HTML 5, Ajax, Silverlight, Flash, ..),[object Object],Web browsers must become reliable platforms to deliver the needed functionality ,[object Object],The state and place of company data must be known and visible,[object Object],Not only self-servicing but also central management is required,[object Object]
Q & A,[object Object],22,[object Object],Questions?,[object Object]
Ivo Murris ,[object Object],www.moltentechnologies.com,[object Object],http://uk.linkedin.com/in/ivomurris,[object Object],Enterprise Desktops Well Served Technical Review ,[object Object]

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Enterprise Desktops Well Served - a technical perspective on virtual desktops

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Notes de l'éditeur

  1. Intro / background on myself and Molten Technologies. Today I’ll be talking about the cloud or the ....as a Service paradigm as it relates to delivering a great desktop experience for Enterprise. Getting to Desktops as a Service can offer major advantages and a great user experience for Enterprise clients, but over the last 15 years that I have been helping virtualise desktops, getting to well served desktops can have some bears on the road. Today I will be sharing some suggestions for getting aroung them. OREverybody understands cloud computing or the ... as a service paradigm.Desktops can be delivered as a Service as well, but it is not as easy as some of the other IT services out there because of the inherent complexity of them. In this presentation/workshop I’ll walk through some of hurdles on the road to DaaS
  2. Shared services are everywhere...Electricity Water, HeatingTelephone InternetPublic Transport
  3. Why would you do something like this? Pro’s: maybe cheaper$/kWh (OpEx), no or unreliable grid to deliver the service, service you deliver is dependent on the power (UPS in rack, generator in DC)Con’s: Very rigid, so you have to overprovision for future growth = CapEx, expertise in house needed and in this case regulations
  4. Cloud computing is location-independent computing, whereby shared servers provide resources, software, and data to computers and other devices on demand.Cloud computing describes a new delivery model for IT services, and it typically involves over-the-Internet provision of dynamically scalable and often virtualized resources.---So, Cloud Computing is not just Software as a Service, Rich Internet Applications, Web 2.0, or Software & Services. Google Apps, Microsoft BPOS, SAP?, Slideshare AWS, Azure, GoGrid, SymetriqSalesForceAmazon S3, DropBoxGladinet?
  5. Cloud computing is location-independent computing, whereby shared servers provide resources, software, and data to computers and other devices on demand.Cloud computing describes a new delivery model for IT services, and it typically involves over-the-Internet provision of dynamically scalable and often virtualized resources.---So, Cloud Computing is not just Software as a Service, Rich Internet Applications, Web 2.0, or Software & Services. Google Apps, Microsoft BPOS, SAP?, Slideshare AWS, Azure, GoGrid, SymetriqSalesForceAmazon S3, DropBoxGladinet?
  6. Used to be called ASP (often based on WTS/Citrix)
  7. Small businesses: Pricing (£/$/€ per month, per user)Self servicing – add users/applications and services (hosted)Access only over the InternetMidsized businesses: Pricing and flexibility (£/$/€ per month, per user depending on numbers)Service level agreements, dedicated customer support and contacts Tiered servicing – rights to add users/applications/services inside companyAccess to bespoke applications inside their own datacenter (VPN/MPLS)Enterprise / Government: Mostly interested in virtual containers – used to host their own desktop imagesService level agreements, Disaster Recovery, Multi Datacenters across Geo’sVirtual desktops on premise and at the service provider, but single point of administration
  8. Notes;Hybrid model is predicted by analysts to be the dominant one for the next 3 years as many of Enterprises are starting to move towards the cloud, but many are doing so in a staged process.
  9. Make it short and sweet, this will be discussed in the next few slides
  10. For the first para: Central storage problems – commonly called ‘storms’Final point: (Use local storage) – if possible but be smart about it
  11. Working with experienced and deeply knowledgable specialists will help.
  12. While RIA is from the early 2000’s, it’s still not a true standard. Cloud application intercommunication is a known issue – XML is supposed to fix that, but there’s no standard like OLE/DDE of a Windows desktopFlash and HTML 5 are obvious points of attention here with Google/Adobe on one side (flash) and Apple on the other one (HTML5), Microsoft in the middle (Ajax, Silverlight).
  13. While RIA is from the early 2000’s, it’s still not a true standard. Cloud application intercommunication is a known issue – XML is supposed to fix that, but there’s no standard like OLE/DDE of a Windows desktopFlash and HTML 5 are obvious points of attention here with Google/Adobe on one side (flash) and Apple on the other one (HTML5), Microsoft in the middle (Ajax, Silverlight).
  14. Intro / background on myself and Molten Technologies. Today I’ll be talking about the cloud or the ....as a Service paradigm as it relates to delivering a great desktop experience for Enterprise. Getting to Desktops as a Service can offer major advantages and a great user experience for Enterprise clients, but over the last 15 years that I have been helping virtualise desktops, getting to well served desktops can have some bears on the road. Today I will be sharing some suggestions for getting aroung them. OREverybody understands cloud computing or the ... as a service paradigm.Desktops can be delivered as a Service as well, but it is not as easy as some of the other IT services out there because of the inherent complexity of them. In this presentation/workshop I’ll walk through some of hurdles on the road to DaaS