z9hG4bK.orgGlossary

Loose Routing

In SIP,

RFC 3261, section 6

[a] proxy is said to be loose routing if it follows the procedures defined in this specification for processing of the Route header field. These procedures separate the destination of the request (present in the Request-URI) from the set of proxies that need to be visited along the way (present in the Route header field). A proxy compliant to these mechanisms is also known as a loose router.

The opposite, strict routing, is defined in RFC 2543 and now deprecated. One still finds it occassionally in the wild.

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