Problem Statement for SIP-signalled Peer-to-Peer Communication across Middleboxes
draft-quittek-p2p-sip-middlebox-00

Document Type Expired Internet-Draft (individual)
Author Juergen Quittek 
Last updated 2006-03-01
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at
https://www.ietf.org/archive/id/draft-quittek-p2p-sip-middlebox-00.txt

Abstract

Middleboxes, particularly firewalls and network address translators, are essential components of today's Internet infrastructure. They are designed to support client-server applications well, but very often they are obstacles for peer-to-peer communication. This memo discusses middlebox traversal issues of SIP-based peer-to-peer communication. Required communication steps are analyzed concerning their potential constraints caused by middleboxes. The requirements derived from this analysis are compared with the capabilites of currently available middlebox traversal methods and SIP signaling standards. The comparison identifies open issues that need to be considered when designing standards for a SIP-based peer-to-peer communication infrastructure.

Authors

Juergen Quittek (quittek@netlab.nec.de)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)