IETF 79 Proceedings

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Transport Area Working Group (tsvwg) (WG)

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Additional information is available at tools.ietf.org/wg/tsvwg

Chair(s):

Transport Area Director(s):

Transport Area Advisor:

Meeting Slides

Internet-Drafts:

Request for Comments:

Charter (as of 2011-01-26)

The Transport Area receives occasional proposals for the development
and publication of RFCs dealing with transport topics that are not in
scope of an existing working group or do not justify the formation of
a new working group. TSVWG will serve as the forum for developing
such work items in the IETF.

The TSVWG mailing list is an open discussion forum for such work
items, when they arise. The working group meets if there are active
proposals that require discussion. The working group milestones are
updated as needed to reflect the current work items and their
associated milestones.

The currently active TSVWG work items mostly fall under the following
topics:

(A) Maintenance of the Stream Control Transmission Protocol (SCTP),
which involves bug fixes to the SCTP specifications and their
progression along the standards track. This work item also includes a
small number of modular extensions to SCTP. Currently, these include
SCTP-ADDIP, SCTP-AUTH and SCTP-PADDING, as well as socket API and
threat analysis documents. In order to maintain stable
specifications, additional work on SCTP in TSVWG requires Area
Director approval.

(B) Maintenance of the Resource Reservation Protocol (RSVP), which
involves bug fixes to the RSVP specifications and their progression
along the standards track. This work item may also include a small
number of extensions to RSVP or advisory documents to address
specific application scenarios. In order to maintain stable
specifications, additional work on RSVP in TSVWG requires Area
Director approval.

(C) Maintenance of IP Differentiated Services (DiffServ) mechanisms,
which involves mostly advisory documents on the use of DiffServ in
specific application scenarios. Other work items related to DiffServ
require Area Director approval.

(D) Selected other work items, which are mostly in TSVWG for historic
reasons. These include an extended statistics MIB for TCP and the
quick-start mechanism for TCP and IP. Additional work that does not
fall under one of the above topics in TSVWG must satisfy four
conditions: (1) WG consensus on the suitability and projected quality
of the proposed work item. (2) A core group of WG participants with
sufficient energy and expertise to advance the work item according to
the proposed schedule. (3) Commitment from the WG as a whole to
provide sufficient and timely review of the proposed work item. (4)
Agreement by the ADs, who, depending on the scope of the proposed
work item, may decide that an IESG review is needed first.

Goals and Milestones:

Done  Updates to RFC 793 to resolve conflict between diffserv and TCP interpretation of IP Precedence submitted for publication as Proposed Standard
Done  Addition to RFC 2018 to use TCP SACK for detecting unnecessary retransmissions submitted for publication as Proposed Standard
Done  Submit I-D on TCP Congestion Window Validation to IESG for consideration as a Proposed Standard
Done  Submit I-D on Computing TCP's Retransmission Timer to IESG for consideration as a Proposed Standard.
Done  submit revised ID for ECN to IESG for consideration as a proposed standard
Done  submit ID on UDP-lite to IESG for consideration as a proposed standard
Done  TCP-Friendly Rate Control (TFRC) unicast congestion control algorithm submitted to IESG for consideration as a proposed standard
Done  Submit ID for SCTP unreliable transport mode to IESG for consideration as a Proposed Standard
Done  Submit 'Alternate Semantics for the ECN Field' to IESG for consideration as BCP
Done  Submit 'Aggregation of RSVP Reservations over MPLS TE/DS-TE Tunnels' to IESG for consideration as PS
Done  Submit Submit 'QoS Signaling in a Nested Virtual Private Network' to IESG for consideration as Informational
Done  Submit 'Generic Aggregate RSVP Reservations' to IESG for consideration as PS
Done  Submit 'Quick-Start for TCP and IP' to IESG for consideration as Experimental
Done  Submit 'TCP Extended Statistics MIB' to IESG for consideration as PS
Done  Submit 'Authenticated Chunks for Stream Control Transmission Protocol' to IESG as consideration as PS
Done  Submit 'Padding Chunk and Parameter for SCTP' to IESG for consideration as PS
Done  Submit 'SCTP Dynamic Address Reconfiguration' to IESG for consideration as Proposed Standard
Done  Submit revision of 'Stream Control Transmission Protocol' to IESG for consideration as Proposed Standard
Done  Submit 'Security Attacks Found Against SCTP and Current Countermeasures' to IESG for consideration as Informational
Done  Submit 'Specifying New Congestion Control Algorithms' to IESG for consideration as Best Current Practice
Done  Submit 'Aggregation of DiffServ Service Classes' to IESG for consideration as Informational
Done  Submit 'Explicit Congestion Marking in MPLS' to IESG for consideration as Proposed Standard
Done  Submit 'User-Defined Errors for RSVP' to IESG for consideration as Proposed Standard
Done  Submit 'RSVP Extensions for Emergency Services' to IESG for consideration as Proposed Standard
Done  Submit 'RSVP Proxy Approaches' to IESG for consideration as Informational
Done  Submit 'RSVP Extensions for Path-Triggered RSVP Receiver Proxy' to IESG for consideration as Proposed Standard
Done  Submit 'UDP Usage Guidelines for Application Designers' to IESG for consideration as Best Current Practice
Done  Submit 'DSCPs for Capacity-Admitted Traffic' to IESG for consideration as Proposed Standard
Done  Request publication of 'Support for RSVP in Layer 3 VPNs' as Proposed Standard RFC
Nov 2009  Request Publication of 'SCTP Stream Reconfiguration' as Proposed Standard
Nov 2009  Submit 'Applicability of Keying Methods for RSVP Security' to IESG for consideration as Informational
Done  Submit 'Port Randomization for Transport Protocols' to the IESG for consideration as a Best Current Practice
Done  Request publication of 'IANA Procedures for the Transport Protocol Port Number Space' as BCP RFC
Done  Request publication of 'Datagram Transport Layer Security for Stream Control Transmission' as Proposed Standard
Done  Request publication of 'Layered Encapsulation of Congestion Notification' as Proposed Standard
Feb 2010  Request publication of 'Byte and Packet Congestion Notification' as Informational RFC
Done  Submit 'SCTP Chunk Flags Registration' to IESG for consideration as a Proposed Standard
Feb 2011  Submit 'Sockets API Extensions for SCTP' to IESG for consideration as Informational
Nov 2011  Submit 'Deprecation of ICMP Source Quench messages' to IESG for consideration as a Proposed Standard
Nov 2011  Submit 'SCTP NAT Support' to IESG for consideration as a Proposed Standard

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