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Session PEERing for Multimedia INTerconnect (Concluded WG)
Rai Area: Alissa Cooper, Ben Campbell | 2006-Feb-08 — 2011-Nov-07 
Chairs
 
 


2011-06-28 charter

Session PEERing for Multimedia INTerconnect (speermint)
-------------------------------------------------------

 Charter

 Current Status: Active

 Chairs:
     Jason Livingood <jason_livingood@cable.comcast.com>
     Daryl Malas <d.malas@cablelabs.com>

 Real-time Applications and Infrastructure Area Directors:
     Gonzalo Camarillo <gonzalo.camarillo@ericsson.com>
     Robert Sparks <rjsparks@nostrum.com>

 Real-time Applications and Infrastructure Area Advisor:
     Gonzalo Camarillo <gonzalo.camarillo@ericsson.com>

 Secretary:
     Alexander Mayrhofer <alexander.mayrhofer@enum.at>

 Mailing Lists:
     General Discussion: speermint@ietf.org
     To Subscribe:       https://www.ietf.org/mailman//listinfo/speermint
     Archive:            http://www.ietf.org/mail-archive/web/speermint/index.html

Description of Working Group:

  The term "VoIP Peering" has historically been used to describe
  inter-provider network interconnect and the delivery of voice
  calls over interconnection points. While voice calls are the
  primary motivation for this today, other forms of real-time
  communications are and will continue to evolve as natural
  additions to such peering. Therefore, the focus of this working
  group is best generalized to describe calls as sessions, and to
  note that that such communications are inherently real-time in
  nature.

  SPEERMINT focuses architectures to identify, signal, and route
  delay-sensitive (real-time) communication sessions. These sessions
  use the SIP signaling protocol to enable peering between two or more
  administrative domains over IP networks. Where these domains peer,
  or meet, the establishment of trust, security, and a resistance to
  abuse and attack are all important considerations.

  Note that the term "peering" is used here to refer to
  the interconnection between application layer entities such as
  SIP servers, as opposed to interconnection at the IP network
  layer. However, in order to achieve real-time Session PEERing,
  both signaling and media flows must be taken into
  consideration. In addition, the working group recognizes that
  there will be use cases that require SPEERMINT to focus on the
  interaction between the application layer and lower network
  layers, or the dependence of specific application layer use
  cases on lower layers, so SPEERMINT will have to be prepared to
  solve these problems as they arise.

  More specifically, SPEERMINT focuses on real-time session
  routing architectures and their associated use cases.
  Deliverables here include the specification of the various
  types of application flows, such as signaling and media flows, in
  such networks, and includes both trunking and peer-to-peer
  flows. In addition, SPEERMINT considers and documents requirements
  for the feedback of operational conditions (e.g., congestion control)
  that enables the application of dynamic policy and recognizes
  that various mechanisms for achieving this should be studied as
  a potential part of any architecture. In future, as its initial
  work completes and the requirements become known, SPEERMINT may seek
  rechartering to consider various mechanism to support applying
  Quality of Service and/or traffic engineering mechanisms in an
  architecturally sound way in support of real-time Session
  PEERing. A charter discussion would consider how to work with
  with mechanisms developed by other working groups, selecting
  and integrating those, but as stated, first the initial milestones
  must be completed.

  The most focused deliverables of SPEERMINT are best current practices
  regarding exchange of real-time sessions among VoIP and other
  real-time application service providers and, in particular, how
  such calls are routed. SPEERMINT will recognize that some of these
  providers also control underlying access networks
  (facilities-based), while others do not (not facilities-based),
  and this fact may present various additional requirements or
  use cases for consideration. The working group will develop
  one or more use case documents to record the varieties of
  the practices, as well as use this recognition as a guide to
  maintaining the greatest possible separation of the application
  layer from lower layers.

  The SPEERMINT work plan is related to and distinct from the work
  plans of the ENUM and SIPPING working groups. While the
  the ENUM Working Group is primarily concerned
  with the structure and lookup of data for the translation of
  E.164 numbers into URIs (RFC3761), SPEERMINT is concerned with
  the use of the resulting URI data, as well as non-ENUM-derived
  URI data, for use in signaling and routing of real-time
  sessions. The SIPPING WG produced the original document in
  this area (RFC 3824). The future work in this area will be
  produced by SPEERMINT, but RFC 3427, the SIP change process will
  be followed as needed.

  Issues that are out of scope for SPEERMINT include:

  o Interoperability, and NITS/profiling of existing protocols
  such as SIP, RTP, and SRTP,

  o SPIT prevention. Note, however, that other working groups
  may release relevant specifications that become required or
  are referenced by various SPEERMINT uses cases and BCPs,

  o Routing of sessions which are not signaled using SIP. In
  particular, SPEERMINT is constrained to consider only those
  scenarios in which call routing is signaled using the SIP
  protocol and addressed by SIP or SIPS URIs. E.164 numbers and
  other national or private formats may only be used as defined
  within the SIP protocols, and

  o H.323

  In the goals and milestones, "submit" means to submit the document to
  the IESG for publication.


Goals and Milestones:
  Apr 2007 - Submit SPEERMINT terminology I-D (Informational)
  Aug 2007 - Submit SPEERMINT IM-specific use cases I-D (Informational)
  Aug 2007 - Submit SPEERMINT VoIP-specific use cases I-D (Informational)
  Jan 2008 - Submit SPEERMINT architecture I-D (Informational)
  Feb 2008 - Submit SPEERMINT minimum requirements for SIP-based VoIP interconnection. (BCP)
  Feb 2008 - Submit SPEERMINT DNS SRV and NAPTR use I-D (BCP)
  Feb 2008 - Submit SPEERMINT message flows I-D (Informational)
  Mar 2008 - Propose re-chartering for any additional efforts/considerations, or propose conclusion of working group (following approval of last documents)


All charter page changes, including changes to draft-list, rfc-list and milestones:



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