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Transport Area Working Group (tsvwg)

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Personnel
Chairs:	James Polk <jmpolk@cisco.com> Gorry Fairhurst <gorry@erg.abdn.ac.uk>
Area Director:	David Harrington <ietfdbh@comcast.net>
Mailing List
Address:	tsvwg@ietf.org
To Subscribe:	https://www.ietf.org/mailman/listinfo/tsvwg
Archive:	http://www.ietf.org/mail-archive/web/tsvwg/
Jabber Chat
Room Address:	xmpp:tsvwg@jabber.ietf.org
Logs:	http://jabber.ietf.org/logs/tsvwg/

Description of Working Group

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. 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 RSVP specifications and their progression along
the standards track. This work item may also include a small number
of extensions to both RSVP and Integrated Services or advisory documents
to address specific application scenarios. In order to maintain stable
specifications, additional work on RSVP and/or Integrated Services 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.

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 'DSCPs for Capacity-Admitted Traffic' 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	Request publication of 'Support for RSVP in Layer 3 VPNs' as Proposed Standard RFC
Done	Submit 'Port Randomization for Transport Protocols' to the IESG for consideration as a Best Current Practice
Done	Submit 'Applicability of Keying Methods for RSVP Security' to IESG for consideration as Informational
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
Done	Submit 'SCTP Chunk Flags Registration' to IESG for consideration as a Proposed Standard
Done	Submit 'Sockets API Extensions for SCTP' to IESG for consideration as Informational
Done	Submit 'SCTP Stream Reconfiguration' to IESG for consideration as a Proposed Standard
Oct 2011	Submit 'Deprecation of ICMP Source Quench messages' to IESG for consideration as a Proposed Standard
Dec 2011	Submit 'SCTP NAT Support' to IESG for consideration as a Proposed Standard
Jan 2012	Submit 'Byte and Packet Congestion Notification' to IESG for consideration as a Best Current Practice RFC
Apr 2012	Submit 'UDP Encapsulation of SCTP Packets' to IESG for consideration as a Proposed Standard RFC
May 2012	Submit Encoding and Transport of (Pre-) Congestion Information from the Domain Egress to the Ingress to the IESG for consideration as a Proposed Standard RFC
May 2012	Submit 'Intserv Multiple TSpec' to IESG for consideration as a Proposed Standard RFC