Transport Options for UDP
draft-ietf-tsvwg-udp-options-02
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Active Internet-Draft (tsvwg WG)
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Last updated |
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2018-01-19
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draft-touch-tsvwg-udp-options
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IETF
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Intended RFC status |
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(None)
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plain text
pdf
html
bibtex
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WG state
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WG Document
(wg milestone:
Dec 2018 - Submit " Transport O...
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Document shepherd |
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Gorry Fairhurst
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IESG state |
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I-D Exists
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Consensus Boilerplate |
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Unknown
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Telechat date |
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Responsible AD |
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(None)
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Send notices to |
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Gorry Fairhurst <gorry@erg.abdn.ac.uk>
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TSVWG J. Touch
Internet Draft
Intended status: Standards Track January 19, 2018
Intended updates: 768
Expires: July 2018
Transport Options for UDP
draft-ietf-tsvwg-udp-options-02.txt
Status of this Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79. This document may not be modified,
and derivative works of it may not be created, except to format it
for publication as an RFC or to translate it into languages other
than English.
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This Internet-Draft will expire on July 19, 2018.
Copyright Notice
Copyright (c) 2018 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
Provisions Relating to IETF Documents
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publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with
Touch Expires July 19, 2018 [Page 1]
Internet-Draft Transport Options for UDP January 2018
respect to this document. Code Components extracted from this
document must include Simplified BSD License text as described in
Section 4.e of the Trust Legal Provisions and are provided without
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Abstract
Transport protocols are extended through the use of transport header
options. This document experimentally extends UDP by indicating the
location, syntax, and semantics for UDP transport layer options.
Table of Contents
1. Introduction...................................................3
2. Conventions used in this document..............................3
3. Background.....................................................3
4. The UDP Option Area............................................4
5. UDP Options....................................................7
5.1. End of Options List (EOL).................................8
5.2. No Operation (NOP)........................................9
5.3. Option Checksum (OCS).....................................9
5.4. Alternate Checksum (ACS).................................10
5.5. Lite (LITE)..............................................10
5.6. Maximum Segment Size (MSS)...............................12
5.7. Timestamps (TIME)........................................13
5.8. Fragmentation (FRAG).....................................13
5.8.1. Coupling FRAG with LITE.............................16
5.9. Authentication and Encryption (AE).......................16
5.10. Experimental (EXP)......................................17
6. UDP API Extensions............................................17
7. Whose options are these?......................................18
8. UDP options vs. UDP-Lite......................................19
9. Interactions with Legacy Devices..............................19
10. Options in a Stateless, Unreliable Transport Protocol........20
11. UDP Option State Caching.....................................21
12. Multicast Considerations.....................................21
13. Security Considerations......................................21
14. IANA Considerations..........................................22
15. References...................................................22
15.1. Normative References....................................22
15.2. Informative References..................................23
16. Acknowledgments..............................................24
Appendix A. Implementation Information...........................26
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Internet-Draft Transport Options for UDP January 2018
1. Introduction
Transport protocols use options as a way to extend their
capabilities. TCP [RFC793], SCTP [RFC4960], and DCCP [RFC4340]
include space for these options but UDP [RFC768] currently does not.
This document defines an experimental extension to UDP that provides
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