Name: draft-ietf-sipping-e2m-sec-reqs-05
Title: Requirements for End-to-middle Security for the Session Initiation Protocol (SIP)
State: Active
Authors: Kumiko Ono, Shinya Tachimoto
Group: Session Initiation Proposal Investigation (sipping)
Date: 2004-12-09
A SIP User Agent (UA) does not always trust all intermediaries in its
request path to inspect its message bodies and/or headers contained in its
message. The UA might want to protect the message bodies and/ or headers
from intermediaries except those that provide services based on its
content. This situation requires a mechanism called 'end-to-middle
security' to secure information passed between the UA and intermediaries,
which does not interfere with end-to-end security. This document defines a
set of requirements for a mechanism to achieve end-to-middle security.
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