PBR can be used to redirect traffic to a proxy server by using a PBR-aware L3-switch (router). In such deployment, specific source traffic (e.g. HTTP, FTP) can be redirected to a cache engine. This is known as virtual inline deployment.
Routing based on source address should not be confused with source routing. /wiki/Source_routing ↩
Cisco IOS Release 12.0 Quality of Service Solutions Configuration Guide Archived 2008-05-13 at the Wayback Machine http://www.cisco.com/en/US/docs/ios/12_0/qos/configuration/guide/qcpolicy.html ↩
Linux Advanced Routing & Traffic Control HOWTO http://www.tldp.org/HOWTO/Adv-Routing-HOWTO/index.html ↩