VMware Horizon Design and Deploy v6 Additional Slides

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Robert Snow
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1 VMware Horizon Design and Deploy v6 Additional Slides

2 VMware vsphere: Design and Deploy Prerelease 2

3 The V-Model VMware vsphere: Design and Deploy Prerelease 3

4 The V-Model VMware vsphere: Design and Deploy Prerelease 4

5 The Waterfall Model VMware vsphere: Design and Deploy Prerelease 5

6 Requirements (business, (non)-functional, technical) Goal Business Case Requirements Compliance rules Manage Expectations End User Customer Subject Matter Experts Stakeholders Current Environment Knowledge and experience Applications Physical environment Networking/Storage etc Virtualization environment Training needed Project Scope Budget Schedule Reusable? VMware vsphere: Design and Deploy Prerelease 6

7 Doel (wat) Business Case (waarom) Vereisten Vereisten (business, functional, technical) Compliance rules Verwachtingsmanagement Eindgebruiker Klant Subject Matter Experts Stakeholders Huidige omgeving Kennis en ervaring Applicaties Fysieke omgeving Netwerken Virtuele omgeving Herbruikbaar? Training nodig Planning (wanneer) VMware vsphere: Design and Deploy Prerelease 7 Project Budget Bereik

8 Functional vs Non-Functional Requirements Functional Requirements = How the System works Non-Functional Requirements = How the System behaves Examples of Functional Requirements - The ESXi Hosts must have access to a common storage array - The DR Site must use synchronous Array based replication - Virtual Machines must be able to vmotion across Hosts Examples of Non-Functional Requirements - The Virtual Switches must have a minimum of two uplinks - The Storage fabric must support 10,000 IOPs. - The ESXi Host clusters should be enabled for HA VMware vsphere: Design and Deploy Prerelease 8

9 Conceptual Design rem net prod net dev net DMZ net prod srvc production services test/dev services DMZ services cluster vsphere cluster vsphere cluster vsphere cluster storage hosts remote datacenter replicated not repl storage storage internal hosts datacenter not replicated storage DMZ hosts VMware vsphere: Design and Deploy Prerelease 9

10 Logical Design VMware vsphere: Design and Deploy Prerelease 10

11 Physical Design VMware vsphere: Design and Deploy Prerelease 11

PCoIP TCP 443 SSL-encrypted tunnel RDP / Initial PCoIP View Connection Server TCP ports 3389, 4001, and 32111 When the session is established, all Remote Desktop

12 Secure Tunnel to View Connection Server Secure Sockets Layer (SSL) is the industry standard for encrypted communications over the Internet. VMware Horizon Client and View Connection Server communicate over an SSL connection. PCoIP TCP 443 SSL-encrypted tunnel RDP / Initial PCoIP View Connection Server TCP ports 3389, 4001, and When the session is established, all Remote Desktop Protocol (RDP) traffic flows through View Connection Server to the machine through the secure tunnel. If the session uses PCoIP, the traffic flows through the connection server to the machine through UDP port VMware vsphere: Design and Deploy Prerelease 12

13 Secure Tunnel with View Security Server When using a security server, the tunnel is between Horizon Client and the View security server. TCP 443 SSL-Encrypted Tunnel View Security Server TCP Ports 3389, 4001, and PCoIP TCP 8009 and TCP 4001 View Connection Server When the session is established, all traffic flows through the View security server directly to the machine. VMware vsphere: Design and Deploy Prerelease 13

14 VMware vsphere: Design and Deploy Prerelease 14

15 Transparent Page Sharing Content-based page sharing reclaims memory with minimal overhead by writing common memory once and reusing it. VMware vsphere: Design and Deploy Prerelease 15

16 Using Salting with Transparent Page Sharing Salting enables management of individual virtual machines participating in transparent page sharing, depending on host and virtual machine settings. Host Setting VM Setting vc.uuid Salt Value Inter-VM TPS Intra-VM TPS 0 Ignored Ignored 0 Yes, among all VMs on host 1 Present Ignored sched.mem. pshare.salt Only among VMs with same salt 1 Not Present Ignored 0 Yes, among all VMs 2 Present Ignored sched.mem. pshare.salt 2 Not Present (default) Present (default) 2 Not Present Not Present Only among VMs with same salt Yes Yes Yes Yes vc.uuid No Inter-VM TPS Yes random number No Inter-VM TPS Yes VMware vsphere: Design and Deploy Prerelease 16

17 Sliding Scale Mem.MinFreePct Mem.MinFreePct is the amount of memory that the VMkernel should keep free: The VMkernel uses a sliding scale to determine the Mem.MinFreePct threshold based on the amount of memory installed in the host. Memory Installed Free State Threshold Range 0 through 4 GB (first 4 GB) 6% 4 through 12 GB (next 8 GB) 4% 12 through 28 GB (next 16 GB) 2% Remaining memory 1% VMware vsphere: Design and Deploy Prerelease 17

18 Criteria for Reclaiming Host Memory Host physical memory is reclaimed based on five host free-memory states, reflected by five thresholds. Example: Memory State Threshold Actions Performed High 300% of minfree Break Large Pages (wait for next TPS run) Clear 100% of MinFree Break Large Pages and active call TPS to collapse pages Soft 64% of minfree TPS + Balloon Hard 32% of minfree TPS + Compress + Swap Low 16% of minfree Compress + Swap + Block VMware vsphere: Design and Deploy Prerelease 18

19 Memory Reclamation Review The hypervisor uses memory-reclamation techniques to reclaim host physical memory: Transparent page sharing is disabled by default: Transparent page sharing is a low-overhead task. Ballooning, which can cause guest operating system paging, is more efficient than host-level swapping: Both ballooning and swapping can result in memory pages being written to disk. Because the guest operating system is aware of its memory usage, the guest operating system can page more efficiently than the host. Memory compression: Compresses pages in memory rather than writing them to disk. Host-level swapping: This technique quickly reclaims memory. It has higher performance overhead than the other techniques. Memory reclamation enables memory overcommitment. VMware vsphere: Design and Deploy Prerelease 19

vsphere Design and Deploy Fast Track v6 Additional Slides

vsphere Design and Deploy Fast Track v6 Additional Slides The V-Model VMware vsphere: Design and Deploy Prerelease 2 The V-Model VMware vsphere: Design and Deploy Prerelease 3 The Waterfall Model VMware