Network Working Group T. Dreibholz
Internet-Draft M. Becke
Intended status: Experimental University of Duisburg-Essen
Expires: November 6, 2011 May 05, 2011
SCTP Socket API Extensions for Concurrent Multipath Transfer
draft-dreibholz-tsvwg-sctpsocket-multipath-01.txt
Abstract
This document describes extensions to the SCTP sockets API for
configuring the CMT-SCTP and CMT/RP-SCTP extensions.
Status of this Memo
This Internet-Draft is submitted in full conformance with the
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This Internet-Draft will expire on November 6, 2011.
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Concurrent Multipath Transfer and Resource Pooling
Activation/Deactivation (SCTP_CMT_ON_OFF) . . . . . . . . . . . 3
3. Security Considerations . . . . . . . . . . . . . . . . . . . . 3
4. IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 4
5. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . 4
6. References . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6.1. Normative References . . . . . . . . . . . . . . . . . . . 4
6.2. Informative References . . . . . . . . . . . . . . . . . . 4
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 5
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1. Introduction
This draft describes extensions to the SCTP sockets API (see
[I-D.ietf-tsvwg-sctpsocket], [RFC4960]) which allow an application to
configure the behaviour of the Concurrent Multipath Transfer (CMT)
extensions CMT-SCTP, CMT/RPv1-SCTP and CMT/RPv2-SCTP (see
[I-D.tuexen-tsvwg-sctp-multipath], [Globecom2010], [ConTEL2011],
[AINA2010], [IAS2006]).
2. Concurrent Multipath Transfer and Resource Pooling Activation/
Deactivation (SCTP_CMT_ON_OFF)
This socket option activates or deactivates CMT and sets the
corresponding Resource Pooling variant to be applied. The
sctp_assoc_value structure is used to specify the association for
which the CMT state should be changed and the new CMT state.
Definition of the sctp_assoc_value structure:
struct sctp_assoc_value {
sctp_assoc_t assoc_id;
uint32_t assoc_value;
};
assoc_id: Holds the identifier for the association of which the CMT
state should be changed. Ignored for one-to-one style sockets.
assoc_value:
0 Turns CMT off.
1 Turns plain CMT-SCTP on. No Resource Pooling is applied.
2 Turns CMT-SCTP on. CMT/RPv1 Resource Pooling as defined in
[AINA2010] is applied.
3 Turns CMT-SCTP on. CMT/RPv2 Resource Pooling as defined in
[ConTEL2011] is applied.
3. Security Considerations
Security considerations for the SCTP sockets API are described by
[I-D.ietf-tsvwg-sctpsocket].
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4. IANA Considerations
This document does not require IANA actions.
5. Acknowledgments
The authors would like to thank Michael Tuexen for his support.
6. References
6.1. Normative References
[RFC4960] Stewart, R., "Stream Control Transmission Protocol",
RFC 4960, September 2007.
[I-D.ietf-tsvwg-sctpsocket]
Stewart, R., Tuexen, M., Poon, K., Lei, P., and V.
Yasevich, "Sockets API Extensions for Stream Control
Transmission Protocol (SCTP)",
draft-ietf-tsvwg-sctpsocket-29 (work in progress),
April 2011.
[I-D.tuexen-tsvwg-sctp-multipath]
Becke, M., Dreibholz, T., Iyengar, J., Natarajan, P., and
M. Tuexen, "Load Sharing for the Stream Control
Transmission Protocol (SCTP)",
draft-tuexen-tsvwg-sctp-multipath-01 (work in progress),
December 2010.
6.2. Informative References
[ConTEL2011]
Dreibholz, T., Becke, M., Adhari, H., and E. Rathgeb, "On
the Impact of Congestion Control for Concurrent Multipath
Transfer on the Transport Layer", Proceedings of the 11th
IEEE International Conference on
Telecommunications (ConTEL), April 2011.
[AINA2010]
Dreibholz, T., Becke, M., Pulinthanath, J., and E.
Rathgeb, "Applying TCP-Friendly Congestion Control to
Concurrent Multipath Transfer", Proceedings of the IEEE
24th International Conference on Advanced Information
Networking and Applications (AINA), April 2010.
[Globecom2010]
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Dreibholz, T., Becke, M., Rathgeb, E., and M. Tuexen, "On
the Use of Concurrent Multipath Transfer over Asymmetric
Paths", Proceedings of the IEEE Global Communications
Conference (GLOBECOM), December 2010.
[IAS2006] Iyengar, J., Amer, P., and R. Stewart, "Concurrent
Multipath Transfer Using SCTP Multihoming Over Independent
End-to-End Paths", Journal IEEE/ACM Transactions on
Networking, October 2006.
Authors' Addresses
Thomas Dreibholz
University of Duisburg-Essen, Institute for Experimental Mathematics
Ellernstrasse 29
45326 Essen, Nordrhein-Westfalen
Germany
Phone: +49-201-1837637
Fax: +49-201-1837673
Email: dreibh@iem.uni-due.de
URI: http://www.iem.uni-due.de/~dreibh/
Martin Becke
University of Duisburg-Essen, Institute for Experimental Mathematics
Ellernstrasse 29
45326 Essen, Nordrhein-Westfalen
Germany
Phone: +49-201-183-7667
Fax: +49-201-183-7673
Email: martin.becke@uni-due.de
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