An Extension to the Session Description Protocol (SDP) and Real-time Transport Protocol (RTP) for Media Loopback
draft-ietf-mmusic-media-loopback-23

The information below is for an old version of the document
Document Type Active Internet-Draft (mmusic WG)
Authors Hadriel Kaplan  , Kaynam Hedayat  , Nagarjuna Venna  , Paul Jones  , Nathan Stratton 
Last updated 2012-09-13 (latest revision 2012-09-09)
Stream Internet Engineering Task Force (IETF)
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Stream WG state Submitted to IESG for Publication
Document shepherd Miguel GarcĂ­a
Shepherd write-up Show (last changed 2012-08-08)
IESG IESG state IESG Evaluation::Revised I-D Needed
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Responsible AD Gonzalo Camarillo
IESG note Miguel A. Garcia (miguel.a.garcia@ericsson.com) is the Document Shepherd.
Send notices to mmusic-chairs@tools.ietf.org, draft-ietf-mmusic-media-loopback@tools.ietf.org
MMUSIC Working Group                                  H. Kaplan (ed.) 
  Internet-Draft                                            Acme Packet 
  Intended status: Proposed Standard                         K. Hedayat 
  Expires: March 9, 2013                                           EXFO 
                                                               N. Venna 
                                                                Saperix 
                                                               P. Jones 
                                                    Cisco Systems, Inc. 
                                                            N. Stratton 
                                                        BlinkMind, Inc. 
                                                      September 9, 2012 
  
         An Extension to the Session Description Protocol (SDP)  
        and Real-time Transport Protocol (RTP) for Media Loopback 
                   draft-ietf-mmusic-media-loopback-23 
                                      
  
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 Kaplan, et al.          Expires March 9, 2013                [Page 1] 
  

  
 Internet-Draft            SDP Media Loopback            September 2012 
  
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 Abstract 
     
    The wide deployment of Voice over IP (VoIP), Text and Video over IP 
    services has introduced new challenges in managing and maintaining 
    real-time voice/text/video quality, reliability, and overall 
    performance.  In particular, media delivery is an area that needs 
    attention.  One method of meeting these challenges is monitoring 
    the media delivery performance by looping media back to the 
    transmitter.  This is typically referred to as "active monitoring" 
    of services.   Media loopback is especially popular in ensuring the 
    quality of transport to the edge of a given VoIP, Real-time Text or 
    Video over IP service.  Today in networks that deliver real-time 
    media, short of running 'ping' and 'traceroute' to the edge, 
    administrators are left without the necessary tools to actively 
    monitor, manage, and diagnose quality issues with their service.  
    The extension defined herein adds new SDP media types and 
    attributes, which enable establishment of media sessions where the 
    media is looped back to the transmitter. Such media sessions will 
    serve as monitoring and troubleshooting tools by providing the 
    means for measurement of more advanced VoIP, Real-time Text and 
    Video over IP performance metrics. 
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