Ideas for a Next Generation of the Stream Control Transmission Protocol (SCTP)
draft-dreibholz-tsvwg-sctp-nextgen-ideas-12
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Network Working Group T. Dreibholz
Internet-Draft SimulaMet
Intended status: Informational September 09, 2020
Expires: March 13, 2021
Ideas for a Next Generation of the Stream Control Transmission Protocol
(SCTP)
draft-dreibholz-tsvwg-sctp-nextgen-ideas-12
Abstract
This document collects some ideas for a next generation of the Stream
Control Transmission Protocol (SCTP) for further discussion. It is a
result of lessons learned from more than one decade of SCTP
deployment.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
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This Internet-Draft will expire on March 13, 2021.
Copyright Notice
Copyright (c) 2020 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
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Internet-Draft SCTP Next Generation Ideas September 2020
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1. Abbreviations . . . . . . . . . . . . . . . . . . . . . . 2
1.2. Stream Control Transmission Protocol . . . . . . . . . . 2
1.3. Scope . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2. What to Change in the Next Generation of SCTP? . . . . . . . 2
2.1. Security Considerations . . . . . . . . . . . . . . . . . 3
2.2. IANA Considerations . . . . . . . . . . . . . . . . . . . 3
3. Experimental Implementations . . . . . . . . . . . . . . . . 3
4. Testbed Platform . . . . . . . . . . . . . . . . . . . . . . 4
5. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 4
6. References . . . . . . . . . . . . . . . . . . . . . . . . . 4
6.1. Normative References . . . . . . . . . . . . . . . . . . 4
6.2. Informative References . . . . . . . . . . . . . . . . . 6
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 8
1. Introduction
1.1. Abbreviations
o SCTP: Stream Control Transmission Protocol
1.2. Stream Control Transmission Protocol
The Stream Control Transmission Protocol (SCTP) has been defined as
RFCs in [1], [2], [3], [4], [5], [6], [7], [8], [10], [11], [12],
[13], [14], [15]. There is also a detailed introduction provided by
[22] as well as lots of further information material on [19]. SCTP
is therefore not introduced in more detail here.
1.3. Scope
The scope of this document is to collect some ideas of what to
update/change for a next generation of the SCTP protocol. It is a
result of lessons learned from more than one decade of SCTP
deployment (see also [22]) as well as ongoing discussions on applying
SCTP for WebRTC Data Channels (as introduced in more detail in [18]).
2. What to Change in the Next Generation of SCTP?
o Make useful extensions part of the next generation core protocol
itself (that is, make their implementation a MUST):
* Partial Reliablility ([4])
* Chunk Authentication ([6])
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* Partial Reliablility ([8])
* Stream Reconfiguration ([13])
* SACK Immediately ([15])
o Consider additional features as part of the next generation core
protocol:
* Non-Renegable Selective Acknowledgments (NR-SACK) ([24])
* Concurrent Multi-Path Transfer for SCTP (CMT-SCTP) ([16])
o Chunk Authentication provides integrity but not confidentiality.
There could be a feature for encryption as well, for example like
[17]. Having encryption directly included inside the core
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