Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual Page 46

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34 ServerIron ADX Advanced Server Load Balancing Guide
53-1002435-01
TCS Overview
2
FIGURE 9 Logical representation of transparent caching
Four cache servers, server1, server2 server3 and server4, are installed within the network to
handle the transparent caching of HTTP traffic. Server1 and server 2 are IPv4 cache servers and
server3 and server4 are IPv6 cache servers. TCS is enabled on the ServerIron ADX to direct all
HTTP traffic to the cache servers for processing.
A ServerIron ADX or backbone switch operating as a transparent cache switch detects and
forwards all HTTP traffic to an available cache server. IPv4 HTTP traffic is directed to the IPv4 cache
servers and IPv6 HTTP traffic is directed to the IPv6 cache servers.The cache server then
processes the query and forwards the response back to the user through the attached ServerIron
ADX.
Internet
www.stockquotes.com
www.news.com
www.rumors.com
Web Servers
Border Access
Router (BAR)
e18 (output port)
e16
e17
e4
Cache
Server 1
Cache
Server 2
207.95.5.11 207.95.5.129
Remote Access
Router
Web Queries
208.95.6.3
208.95.7.3
208.95.8.3
SI
Cache
Server 3
Cache
Server 4
2001:db8::30:1 2001:db8::30:2
e5
e15
2001:db8::2
2001:db8::1
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