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Andy Hill
Systems Engineer
@andyhky
http://virtualandy.wordpress.com
Hypervisor Networking Deep
Dive
Rackspace’s Public Cloud
Large Fleet Heterogenous
• Several different hardware
manufacturers
• Several XenServer major ver...
Networks Available to Customers
•Service provider features:
–Overlay Networks
–QoS
–VLAN Tagging
–Provider Port Security
–LACP
•Software = Flexible
•Upgra...
First iteration (August 2012)
Patch
Port
Tunnel Encapsulation
VIF
PIF
VIF
VIF
PIF
Integration
Bridge
Interface
Bridge
Current Iteration
Tunnel
Encap
VIF
PIF
VIF
VIF
Integration
Bridge
Public Net
Bridge
Service Net
Bridge
Cloud Net
Bridge
In...
• Avoid reliance on flooding
• L2 sizing and in ingress broadcast flows
– Craft flows to explicitly allow destined broadca...
THANK YOU
RACKSPACE® | 1 FANATICAL PLACE, CITY OF WINDCREST | SAN ANTONIO, TX 78218
US SALES: 1-800-961-2888 | US SUPPORT:...
THANK YOU
RACKSPACE® | 1 FANATICAL PLACE, CITY OF WINDCREST | SAN ANTONIO, TX 78218
US SALES: 1-800-961-2888 | US SUPPORT:...
Rackspace Hypervisor Networking Show & Tell
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Rackspace Hypervisor Networking Show & Tell

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Networking deep dive for operators summit

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Rackspace Hypervisor Networking Show & Tell

  1. 1. Andy Hill Systems Engineer @andyhky http://virtualandy.wordpress.com Hypervisor Networking Deep Dive
  2. 2. Rackspace’s Public Cloud Large Fleet Heterogenous • Several different hardware manufacturers • Several XenServer major versions • Five networking configurations • Six production public clouds • Six internal private clouds • Various non-production environments • Tens of thousands of hypervisors • Hundreds of thousands of instances • Multinic instances by default
  3. 3. Networks Available to Customers
  4. 4. •Service provider features: –Overlay Networks –QoS –VLAN Tagging –Provider Port Security –LACP •Software = Flexible •Upgrades are easier than hardware Why We Use OVS
  5. 5. First iteration (August 2012) Patch Port Tunnel Encapsulation VIF PIF VIF VIF PIF Integration Bridge Interface Bridge
  6. 6. Current Iteration Tunnel Encap VIF PIF VIF VIF Integration Bridge Public Net Bridge Service Net Bridge Cloud Net Bridge Interface Bridge Patch Port
  7. 7. • Avoid reliance on flooding • L2 sizing and in ingress broadcast flows – Craft flows to explicitly allow destined broadcast traffic • Bridge fail modes • Inter host VM traffic Lessons Learned
  8. 8. THANK YOU RACKSPACE® | 1 FANATICAL PLACE, CITY OF WINDCREST | SAN ANTONIO, TX 78218 US SALES: 1-800-961-2888 | US SUPPORT: 1-800-961-4454 | WWW.RACKSPACE.COM © RACKSPACE LTD. | RACKSPACE® AND FANATICAL SUPPORT® ARE SERVICE MARKS OF RACKSPACE US, INC. REGISTERED IN THE UNITED STATES AND OTHER COUNTRIES. | WWW.RACKSPACE.COM
  9. 9. THANK YOU RACKSPACE® | 1 FANATICAL PLACE, CITY OF WINDCREST | SAN ANTONIO, TX 78218 US SALES: 1-800-961-2888 | US SUPPORT: 1-800-961-4454 | WWW.RACKSPACE.COM © RACKSPACE LTD. | RACKSPACE® AND FANATICAL SUPPORT® ARE SERVICE MARKS OF RACKSPACE US, INC. REGISTERED IN THE UNITED STATES AND OTHER COUNTRIES. | WWW.RACKSPACE.COM QUESTIONS?

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