Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual Page 48

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36 ServerIron ADX Advanced Server Load Balancing Guide
53-1002435-01
Sample Deployment Topologies
2
Advanced statistics
Our TCS implementation provides the following advanced statistics:
Current connections on a per cache basis
Peak connections on a per cache basis
Total connections on a per cache basis
Packet counts to and from cache on a per-cache basis
Octet counts to and from cache on a per-cache basis
Sample Deployment Topologies
ServerIron ADX supports TCS in the following example topologies.
“Basic TCS” on page 36
“TCS with spoofing” on page 37
“TCS with destination NAT” on page 37
“TCS with Source NAT” on page 38
“VIPs with reverse proxy” on page 39
Basic TCS
The following example configuration shows simple TCS on the ServerIron ADX.
The above illustration shows the packet flow in a basic TCS configuration. In this example, flow 1 is
the client request getting forwarded to the cache server. If the cache server has the required
information, the request is sent to the client via flow 4. If the cache server does not have the
information, it accesses the real server via flow 2 and the traffic from the real server to the cache
server comes from flow 3.
Client
CIP
1a(CIP-RIP)
4b(RIP-CIP)
4a(RIP-CIP)
1b(CIP-RIP)
3a(RIP-TIP)
3b(RIP-TIP)
2b(TIP-RIP)
2a(TIP-RIP)
CIP-Client IP Address
RIP-Real Server IP Address
VIP-Virtual IP Address
TIP-Cache Server IP Address
ServerIron
VIP
Real Server
RIP
Transparent
Cache Server
TIP
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