A description of the IBM Software Defined Networking for Virtual Environments

1. © 2013 IBM Corporation
System Networking
IBM SDN VE
Data Center Network Virtualization
Rakesh Saha
Director Product Management

2. © 2013 IBM Corporation
System Networking
Networks are a bottleneck for the data center
To align with business needs, IT needs to decrease network provisioning time
VM provisioning
time
Minutes
Days
Network
provisioning time
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3. © 2013 IBM Corporation
System Networking
Percent of servers
virtualized
Use storage
virtualization
Use network
virtualization
48%
93%
?
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Data centers need network virtualization
Server and storage virtualization numbers for strategic data centers. Source: 2012 IBM Data Center Study: http://www.ibm.com/data-center/study

4. © 2013 IBM Corporation
System Networking
IBM SDN Products
Jan 2009Jan 2009
802.1Qbg
Oct 2011Oct 2011
IBM SDN: Shipping products and technology investments
VMready OpenFlow
Switches
Edge
Virtual
Bridging
Distributed
Virtual
Switch
IBM SDN
VE
Delivering the future of networking now
4
OpenFlow
Controller
Additional
OpenFlow
Switches and
features
Jan 2012Jan 2012 Feb 2012Feb 2012 Nov 2012Nov 2012 InvestmentInvestment InvestmentInvestment
SDN
Platform
Mid 2013Mid 2013
IBM or Partner Apps and Services
Global Virtual & Physical State
Management
Overlay (SDN
VE) OpenFlow

5. © 2013 IBM Corporation
System Networking
IBM SDN technology overview
Applications Network ServicesCloud/Data Center Provisioning
Platforms
Existing IP Network
Virtual Network
OpenFlow Network
OpenFlow Network
IBM SDN Platform
•Global Virtual & Physical State Management
•Connectivity service
•Network Optimization
•Northbound API
OpenFlowIBM SDN VE
Unified Northbound API
Virtual Network
The IBM SDN Platform
 SDN Controller — Automates connectivity service, optimizes network
 IBM Software Defined Environment for Virtual Environments — A network hypervisor
 Optimized Fabric — Converged Ethernet and OpenFlow
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6. © 2013 IBM Corporation
System Networking
A hypervisor for the network
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VM Virtual Network 1
VM Virtual Network 2
VM Virtual Network 3
Virtual Network 1
Virtual Network 2
Virtual Network 3
IBM SDN VE
Virtualized Network
IBM SDN VE
Gateway
Non virtualized
IP Network
RESTful,
Quantum
APIs
OpenStack
Cloud/DC
Provisioning
Applications
IP Network
Hypervisor
VM VM VM
IBM SDN VE
vSwitch
Virtual Appliance
IBM SDN VE
Management
Console
Virtual Appliance
IBM SDN VE
Connectivity
Server
End
Station
End
Station
Virtual Network 3
Hypervisor
VM VM VM
IBM SDN VE
vSwitch
Hypervisor
VM VM VM
IBM SDN VE
vSwitch
 Based on IBM’s Distributed Overlay Virtual Ethernet (SDN VE) technology
 Uses existing IP infrastructure — No change to existing physical network
 Provides server-based connectivity for virtual workloads

7. Switching/Routing in physical network
Existing IP Network
Hypervisor
V
M
V
M
V
M
SDN VE
vSwitch
Hypervisor
V
M
V
M
V
M
SDN VE
vSwitch
SDN VE Virtualized Network
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Virtual Networking : IBM SDN VE Traffic
Existing IP Network
DMAC
(VM)
SIP
(SDN VE IP)
Payload
SMAC
(VM)
DIP
(SDN VE IP)
DMAC
(VM)
SIP
(SDN VE IP)
Payload
SMAC
(VM)
DIP
(SDN VE IP)
DMAC
(Physical)
SIP
(Physical IP)
SDN VE Header
(VxLAN)
DIP
(Physical IP)
SMAC
(Physical)
SDN VE Routing SDN VE Routing
• SDN VE does not require the user to enable IP multicast in the physical network

8. © 2013 IBM Corporation
System Networking
IBM SDN VE
 Built for large scale to serve large, dynamic, automated data centers
• First release will support 16000 virtual networks, Architected to support 16 million virtual networks
• First release will support 128000 end stations (VMs), Architected to support millions of end stations
• Highly distributed and federated addresses learning and dissemination
• Does not require multi cast support for control plane
 Network connectivity service with templates for using network as a service
 Built to support automated provisioning of network
• RESTful and Quantum APIs
 Built in basic IP gateway feature for ease of network set up and performance
• Does not need an external IP gateway for communication between virtual networks
 Cluster based highly available solution
• User configurable clustering solution for desired level of High Availability
• Highly available gateways
 Native Multi-Platform solution
• Native switching component in the hypervisor for high performance
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9. © 2013 IBM Corporation
System Networking
IBM Software Defined Network for Virtual Environments
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Benefits Key Features
 Faster time to value  Deploy applications and network connectivity services faster
 Create networks as quickly as virtual servers through
automation
 Reduce OPEX  Centralized network creation
 No change needed to physical infrastructure
 Automate VM movement along with policies and configurations
 Multiple hypervisor support for consistent virtual networking
 Scale up or down  Support up to 16 million virtual LANs
 Create and de-allocate networks as needed
 Enhance security  Eliminate error prone manual configuration when moving VMs
 Logically separate virtual networks for multi-tenancy
Enabling the era of virtual networking
Provision multiple virtual networks on a common physical infrastructure using
IBM’s virtual overlay technology
IBM SDN VE is a multi-hypervisor solution

10. © 2013 IBM Corporation
System Networking
 Cut network provisioning from days to minutes
 Secure VM mobility across Layer 2, Layer 3 networks and data centers
IBM SDN VE Network
Existing
Network
Existing
Network
RED Virtual Network
Yellow Virtual Network
 Manual physical network configuration change
 Time consuming network provisioning
 Server virtualization gated by network provisioning
Existing Network
 No physical network configuration change
 Automated network provisioning
 Server virtualization not gated by physical network
Network with IBM SDN VE-Enabled Servers
Physical network change for virtual workload connectivity
Speeds application provisioning
VMVM VMVM VMVM VMVM
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11. © 2013 IBM Corporation
System Networking
Improves server ROI
 Increases VM density
 Removes VM networking bottleneck
 Future-proofs server virtualization
 Works on any server, including PureSystems, BladeCenter, etc.
VMs exposed to the network
Traditional Network : 11,200
With IBM SDN VE: 1,120
Enterprise Workloads
VMs exposed to the network
Traditional Network : 56,000
With IBM SDN VE: 1,120
VDI Workload
Existing IP Network
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12. © 2013 IBM Corporation
System Networking
Enables secure and scalable multi-tenancy
 Secure networking resources required for multi-tenancy
 Cloud level scalability from 4096 traditional VLAN networks to
16 million virtual networks
 IP address and MAC address reuse across different virtual networks
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16 Million
Virtual
Networks

13. © 2013 IBM Corporation
System Networking
Simplifies data center consolidation
 Overlapping network addresses create challenges for consolidation
• Application licensing tied to IP addresses
• Physical networks cannot to share IP addresses
 IBM SDN VE simplifies data center consolidation
• Maintain current IP addressing scheme
IP Address 10.10.10.x
IP Address 10.10.10.x
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Existing physical network

14. © 2013 IBM Corporation
System Networking
Speeds deployment of network services
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IBM Software Defined Network for Virtual Environments
Virtualized Network
Network services
Deploy network services based on patterns of expertise
 Firewall
 Load balancing
 Intrusion detection
 and others
 Planned for Q4 2013
Hypervisor
VM VM VM
IBM SDN VE vSwitch
Hypervisor
VM VM VM
IBM SDN VE vSwitch
Hypervisor
VM VM VM
IBM SDN VE vSwitch

15. © 2013 IBM Corporation
System Networking
IBM System Networking Software Defined Network for
Virtual Environments
 Faster time to application value
 Reduce OPEX
 Scale up or down
 Enhance security
 Speed network services deployment
A network hypervisor for the business aligned data center
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16. © 2013 IBM Corporation
System Networking
Rakesh Saha
rsaha@us.ibm.com
Twitter: @r_saha
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17. © 2013 IBM Corporation
System Networking
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