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IWSVA supports Web Cache Communication Protocol (WCCP) version 2, a protocol defined by Cisco Systems. See your Cisco product documentation for more information on the protocol.
The following are the benefits gained when IWSVA supports WCCP:
Transparency of deployment without endpoint configuration
High availability and load balancing between multiple IWSVA systems
Automated load balancing reconfiguration when adding or removing IWSVA appliances
Support for the Cisco router, switch, and firewall implementations of the protocol
The WCCP implementation for IWSVA is compatible with Cisco routers, switches, PIX firewalls, and ASA security devices.