Implementing Basic Server Load Balancing; Figure 6-2: Web Hosting Configuration Without Slb; Figure 6-3: Web Hosting With Slb Solutions - Nortel Web OS Switch Software Application Manual

Implementing Basic Server Load Balancing

Consider a situation where customer Web sites are being hosted by a popular Web hosting
company and/or Internet Service Provider (ISP). The Web content is relatively static and is
kept on a single NFS server for easy administration. As the customer base increases, the num-
ber of simultaneous Web connection requests also increases.
Web Clients
Figure 6-2 Web Hosting Configuration Without SLB
Such a company has three primary needs:
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Increased server availability
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Server performance scalable to match new customer demands
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Easy administration of network and servers
Web Clients
Figure 6-3 Web Hosting with SLB Solutions
212777-A, February 2002
As clients increase, the server becomes overloaded
Internet
Internet
Web Host
Routers
Web OS 10.0 Application Guide
Web Host
Router
Layer 4 Switching &
Server Load Balancing
Web Switch
Layer 2 Layer 2
Switching Switching
Chapter 6: Server Load Balancing
Web Server
NFS Server
Web Server Farm
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B
C
NFS Server
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