Nortel Networks WEB OS 212777 - Manual (Page 117)

212777-A, February 2002
117
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6
Server Load Balancing
Server Load Balancing (SLB) allows you to configure the Alteon Web switch to balance user
session traffic among a pool of available servers that provide shared services. The following
sections in this chapter describe how to configure and use SLB:
n
“Understanding Server Load Balancing” on page 118 . This section discusses the benefits
of server load balancing and how it works.
n
“Implementing Basic Server Load Balancing” on page 121 . This section discusses how
implementing SLB provides reliability, performance, and ease of maintenance on your
network.
o “Network Topology Requirements” on page 122 . This section provides key require-
ments to consider before deploying server load balancing.
o “Configuring Server Load Balancing” on page 124 .
o “Additional Server Load Balancing Options” on page 128 .
n
“Extending SLB Topologies” on page 136 . This section discusses proxy IP addresses,
mapping a virtual port to real ports, monitoring real server ports, and delayed binding.
n
“Load Balancing Special Services” on page 149 . This section discusses load balancing
based on special services, such as source IP addresses, FTP, RTSP, DNS, WAP, IDS, and
WAN link.
For additional information about the SLB feature, see your Web OS Command Reference.