The Citrix Cloud Master Class held in June 2014 focused on architecting private cloud infrastructure to enhance speed and agility. Key topics included the Citrix CloudPlatform and XenServer, with discussions on customer use cases, network services, and storage architecture. The session aimed to address business drivers for cloud computing investments and the challenges faced in private cloud deployments.

1. Citrix Cloud Master Class
June 18th/19th 2014
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2. Architecting your Private Cloud Infrastructure for
Speed and Agility with CloudPlatform Solutions
Marc Trouard-Riolle, Senior Marketing Manager, Citrix Systems Inc.
Jacob Ben-David, Senior Systems Engineer, Citrix Systems Inc.
June 2014

3. Tweet about this session
@citrixcloud and #cloudstackworks

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Citrix Products discussed
– Citrix CloudPlatform
– Citrix XenServer
Key Takeaways
– A complete Citrix stack for all cloud layers: out-of-the-box functionality
– Operations, service management & governance capabilities
– Customer-proven production clouds driving real-world business
– Citrix delivers the agility and efficiency demanded by dynamic businesses
Master Class Summary

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Audience Poll
What are your top drivers for investing in cloud computing technology?
1. Business continuity/disaster recovery
2. Increased flexibility
3. Speed of deployment
4. Better agility for customer support or services
5. Lower CAPEX

6. Cloud Compute

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Citrix Private Cloud Architecture
Modular and scalable building
blocks
Flexible component options
Simple to grow and operate
Zone
Load
Balancer
Firewall
….
Pod N
Secondary
Storage
Cluster 1
….
Pod 1
Cluster N
Primary
Storage
Host

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Citrix Private Cloud Architecture
Zone
Load
Balancer
Firewall
….
Pod N
Secondary
Storage
Cluster 1
….
Pod 1
Cluster N
Primary
Storage
Host
Zone
Load
Balancer
Firewall
….
Pod N
Secondary
Storage
Cluster 1
….
Pod 1
Cluster N
Primary
Storage
Host
Citrix clouds can scale
across multiple Availability
Zones
Zones configurations can
be workload optimized
Zone
Load
Balancer
Firewall
….
Pod N
Secondary
Storage
Cluster 1
….
Pod 1
Cluster N
Primary
Storage
Host
Enterprise
Desktops
Cloud-Native
Workloads
Traditional
Workloads

9. Cloud Storage

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CloudPlatform Storage
Pod 1
Host 2
Cluster 1
Host 1
Primary
Storage
L3 switch
NFS
Secondary
Storage
L2 switch
• Configured at Cluster-level. Connected to hosts for
better performance
• Stores all disk volumes for VMs in a cluster
• Cluster can have one or more primary storages
• Local disk, iSCSI, FC, FCOE or NFS
Primary Storage
• Configured at Zone or Region
• Stores all Templates, ISOs and Volume Snapshots
• Zone or Region can have one or more secondary
storages
• NFS, S3 API compatible block storage
• NFS can be configured to be delivered via a dedicated
L3 storage network
Secondary Storage
S3
Secondary
Storage
Region
Zone

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Storage
Example: Service based storage allocation
SATA SSD
Tag SSDTag SATA
SATA Disk
50GB =
10€/Month
SolidSate Disk
50GB =
30€/Month

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Storage Performance Flexibility
Primary storage configuration
Support for different storage performance tiers
Flexibility over disk sizing
Provision either local or shared storage
Governance for control of access and consumption

13. Cloud Networking

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Basic (Layer 3) vs. Advanced (Layer 2) Networking
Segmentation based on feature set and ease-of-deployment
Basic: true AWS-style L3 isolation
• Tenants do not get contiguous IP addresses
• Network segmentation based on Security Groups
• Tremendous scale (tens of thousands)
• XenServer and KVM only
Advanced: offers full L2 subnets
• VLANs subject to default implementation (4K limit)
• More features (source NAT, PF, VPN)
Layer-2 Layer-3
Isolation VLAN Security Groups
(XenServer only)
Performance Better Better
Network setup Moderate Easy
Support broadcast Yes No
Scalability Good Best
Interoperability with
external resources
Good Poor

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Gateway
10.1.1.1
10.1.1.2
10.1.1.3
10.1.1.4
10.1.1.5
Networking Types
Layer-2 Isolation with vLANs
Public
Network/Internet
Guest Virtual
Network 10.1.1.0/24
VLAN 100
DHCP, DNS
NAT
Load Balancing
VPN
Public IP
65.37.14.1
Guest VM
Guest VM
Guest VM
Guest VM
CloudPlatform
Virtual Router
L3 w/Security Groups
L2 Isolation w/VLANs
No Isolation
Overlay Isolation

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Public IP
65.37.14.1
Network Provider Support
Layer-2 Isolation with External Devices for Network Services
Additional support for 3rd party
networking
Physical firewall and load balancers
Enabling increased scale and
enhanced service capabilities
Public
Network/Internet
Private IP
10.1.1.112
DHCP
DNS
Public IP
65.37.14.2
Private IP
10.1.1.111 10.1.1.2
10.1.1.3
10.1.1.4
10.1.1.5
Guest Virtual
Network 10.1.1.0/24
VLAN 100
Guest VM
Guest VM
Guest VM
Guest VM
Juniper SRX
Firewall
NetScaler
CloudPlatform
Virtual Router

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Network Service Flexibility
Multi-tier Network Support for Complex Enterprise Applications
Public IP
65.37.141.111
Public
Network/Interne
t
Private IP
10.1.1.112
DHCP, DNS
User-data
Public IP
65.37.141.112
10.1.1.2 Web
VM1
10.1.1.3
Web
VM2
NetScaler
Load
Balancer
Private IP
10.1.1.111Juniper
SRX
Firewall
CCP
Virtual
Router
CCP
Virtual
Router
Virtual Network
10.1.1.0/24
VLAN 100
Virtual Network
10.1.2.0/24
VLAN 1001
10.1.2.21
10.1.2.18
10.1.2.31
App
VM1 10.1.3.21
Virtual Network
10.1.3.0/24
VLAN 141
10.1.2.24
App
VM2 10.1.3.45
10.1.3.24 DB VM1
CCP
Virtual
Router
DHCP, DNS,
User-data
DHCP, DNS
User-data,
Source-NAT, VPN
Public IP
65.37.141.115
Orchestrate complex
n-tier applications

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Citrix NetScaler Integration
CCP can spin-up a VPX instance on NetScaler SDX, can spin-down
Add the NetScaler in CCP -> Infrastructure->Network Service Providers-
>NetScaler
Create the Network offering and Select Load Balancing using NetScaler

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Supported Network Service Providers
Options when creating a network service offering
Virtual Router Citrix NetScaler Juniper SRX F5 BigIP
Host based
(KVM/Xen)
Remote Access
VPN
Yes No No No No
DNS/DHCP
User Data
Yes No No No No
Firewall Yes No Yes No No
Load Balancing Yes Yes No Yes No
Elastic IP No Yes No No No
Elastic LB No Yes No No No
Source NAT Yes No Yes No No
Static NAT Yes Yes Yes No No
Port Forwarding Yes No Yes No No

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Typical CloudPlatform Architecture
Multi-site Enterprise Infrastructure
Router
L3 Core Switch
Top of
Rack
Switch
……… …
Servers
Primary Mgmt
Server Cluster
Object Store
Availability Zone 2
Pod 1 Pod 2 Pod 3 Pod N
MySQL
Load Balancer
Cloud Operations
Admin
Availability Zone 1
Standby Mgmt
Server Cluster
MySQL

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Audience Poll
What is the biggest challenge you face with your private cloud deployments?
1. Budget
2. Technical skills required
3. Security concerns
4. Legal compliance or regulatory needs
5. Fear of vendor lock-in

22. XenDesktop/XenApp Cloud Provisioning
with CloudPlatform

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Cloud Provisioning of XenDesktop/XenApp
Multiple Workload Types within a Single Cloud
Availability Zone A
XenDesktop Controller
Windows Server Windows Desktop
Apps Desktops Apps Desktops
Controller
XenDesktop
VM
XenDesktop
VM
XenDesktop
VM
Director EdgeSight
Studio
Availability Zone B
XenDesktop
VM
XenDesktop
VM
Pod 1 Pod 2 Pod nPod 1 Pod 2 Pod n
CloudPlatform powered by Apache CloudStack

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Cloud Provisioning of XenDesktop/XenApp
Multiple Workload Types within a Single Cloud
XenDesktop Controller
Windows Server Windows Desktop
Apps Desktops Apps Desktops
Studio
Availability Zone A Availability Zone B Availability Zone C
Controller
XenDesktop
VM
XenDesktop
VM
XenDesktop
VM
XenDesktop
VM
Director EdgeSight
CloudPlatform powered by Apache CloudStack
Server
VM
Server
VM
Server
VM
Server
VM
XenDesktop
VM
Pod 1 Pod 2 Pod nPod 1 Pod 2 Pod nPod 1 Pod 2 Pod n

25. Demo

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250+Large Scale
Production Clouds
In Deployment
Production sites
with over
40,000+
Servers per Region
Service Providers | Telcos
Web 2.0
Enterprise | Education | Government

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Citrix Products discussed
– Citrix CloudPlatform
– Citrix XenServer
Key Takeaways
– A complete Citrix stack for all cloud layers: out-of-the-box functionality
– Operations, service management & governance capabilities
– Customer-proven production clouds driving real-world business
– Citrix delivers the agility and efficiency demanded by dynamic businesses
Master Class Summary

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Resources
Learn how to build your own cloud with new resources and support from Citrix:
http://www.citrix.com/products/cloudplatform/resources-and-support.html
CloudPlatform 90-day free trial:
http://www.citrix.com/products/cloudplatform/try
Master Class recording: In a follow-up email
Follow us on Social Media -

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Citrix Education
Fuel your talent with continuous learning.
Citrix Education offers the following technical training for Cloud professionals:
CCP-300: Implementing Citrix CloudPlatform 4.3 Powered by Apache
CloudStack
CPE-A26 Free Practice Exam Citrix XenServer 6.0 Administration
CXS-203: Citrix XenServer 6.0 Administration
Visit bit.ly/CloudDiscount to save 10% off through June 30*
*Not valid with any other promotions, packages or discounts. Applies only to new purchases. Regional limitations may apply.

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Have Your Say!
Look out for a survey email in the next couple of
weeks titled: “Citrix Cloud Survey – Your Input”

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Giveaway Prize
What is the name of the Basic Zone
(layer-3) isolation technology?
Security Groups!

32. Q&A

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WORK BETTER. LIVE BETTER.