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Indicating WebSocket Protocol as a Transport in the Session Initiation Protocol (SIP) Common Log Format (CLF) (RFC7355) Disclosure Number: IPCOM000238895D
Original Publication Date: 2014-Sep-01
Included in the Prior Art Database: 2014-Sep-24
Document File: 18 page(s) / 16K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

G. Salgueiro: AUTHOR [+4]


The WebSocket protocol [RFC6455] enables bidirectional message exchange between clients and servers on top of a persistent TCP connection (optionally secured with TLS [RFC5246]). The initial protocol handshake makes use of HTTP [RFC7230] semantics, allowing the WebSocket protocol to reuse existing transport connections.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 17% of the total text.

Internet Engineering Task Force (IETF)                      G. Salgueiro Request for Comments: 7355                                         Cisco Updates: 6873                                                 V. Pascual Category: Informational                                         A. Roman ISSN: 2070-1721                                                S. Garcia                                                                   Quobis                                                           September 2014

               Indicating WebSocket Protocol as a Transport     in the Session Initiation Protocol (SIP) Common Log Format (CLF)


   RFC 7118 specifies a WebSocket subprotocol as a reliable real-time    transport mechanism between Session Initiation Protocol (SIP)    entities to enable usage of SIP in web-oriented deployments.  This    document updates the SIP Common Log Format (CLF), defined in RFC    6873, with a new "Transport Flag" for such SIP WebSocket transport.

Status of This Memo

   This document is not an Internet Standards Track specification; it is    published for informational purposes.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Not all documents    approved by the IESG are a candidate for any level of Internet    Standard; see Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at

 Salgueiro, et al.             Informational                     [Page 1]
 RFC 7355             WebSocket Transport in SIP CLF       September 2014

 Copyright Notice

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   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    ( in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section 4.e of    the Trust Legal Provisions and are provided without warranty as    described in the Simplified BSD License.