performance plumbing
DESCRIPTION
Performance Plumbing. Adam Bechtel 24 June 2008. WARNING. These slides won’t make any sense unless you hear the presentation. The beginning…. Internet. Server. You grow a little…. Internet. Switch. Load Balancer. Server. Server. Server. Server. Server. Server. Server. Server. - PowerPoint PPT PresentationTRANSCRIPT
Performance PlumbingAdam Bechtel 24 June 2008
WARNING
These slides won’t make any sense unless you hear the presentation.
The beginning….
Server
Internet
You grow a little….
Server
Internet
SwitchLoad Balancer
ServerServerServerServerServer
ServerServerServer
Sites evolve….and so does a Backbone…
You’re global!
KNOBS Cost
Packetloss
Latency
Maintenance
Diversity
Isolation
*Special*
ANYCAST
Network address and routing scheme used for proximity
Also useful for load absorption
ANYCAST ADDRESS
West Central East
ANYCAST SERVICES
NameServer1:
NameServer2:
NameServer3:
Anycast Cloud1 Anycast Cloud2
ANYCAST SCALING
Global Scaling
Add more sites
Local Scaling
VIP
ECMP
ANYCAST CONSIDERATIONS
How are you going to monitor your service?
Can your service handle transient network events?
How much control do you want over where your users go?
CACHE
Locate caches near users to minimize latency
Need intelligent system to direct users to caches
PROXY
Offload work from your users
Make your service faster
PLACEMENT
Cache and Proxy at edge of network
Thanks