Extensions for Generic UDP Encapsulation
draft-ietf-intarea-gue-extensions-01
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INTERNET-DRAFT T. Herbert
Intended Status: Proposed Standard Quantonium
Expires: November 19, 2017 L. Yong
Huawei
F. Templin
Boeing
May 18, 2017
Extensions for Generic UDP Encapsulation
draft-ietf-intarea-gue-extensions-01
Abstract
This specification defines a set of the fundamental optional
extensions for Generic UDP Encapsulation (GUE). The extensions
defined in this specification are the group identifier, security
option, payload transform option, checksum option, fragmentation
option, and the remote checksum offload option.
Status of this Memo
This Internet-Draft is submitted to IETF in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF), its areas, and its working groups. Note that
other groups may also distribute working documents as
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Copyright and License Notice
Copyright (c) 2017 IETF Trust and the persons identified as the
document authors. All rights reserved.
T. Herbert Expires November 19, 2017 [Page 1]
INTERNET DRAFT draft-ietf-intarea-gue-extensions-01 May 18, 2017
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 4
2. GUE header format with optional extensions . . . . . . . . . . 4
3. Group identifier option . . . . . . . . . . . . . . . . . . . 5
3.1. Extension field format . . . . . . . . . . . . . . . . . . 6
3.2. Usage . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4. Security option . . . . . . . . . . . . . . . . . . . . . . . 6
4.1. Extension field format . . . . . . . . . . . . . . . . . . 6
4.2. Usage . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.3. Cookies . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.4. HMAC . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.4.1. Extension field format . . . . . . . . . . . . . . . . 8
4.4.2. Selecting a hash algorithm . . . . . . . . . . . . . . 9
4.4.3. Pre-shared key management . . . . . . . . . . . . . . . 9
4.5. Interaction with other optional extensions . . . . . . . . 10
5. Fragmentation option . . . . . . . . . . . . . . . . . . . . . 10
5.1. Motivation . . . . . . . . . . . . . . . . . . . . . . . . 10
5.2. Scope . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.3. Extension field format . . . . . . . . . . . . . . . . . . 12
5.4. Fragmentation procedure . . . . . . . . . . . . . . . . . 13
5.5. Reassembly procedure . . . . . . . . . . . . . . . . . . . 15
5.6. Security Considerations . . . . . . . . . . . . . . . . . 17
6. Payload transform option . . . . . . . . . . . . . . . . . . . 17
6.1. Extension field format . . . . . . . . . . . . . . . . . . 17
6.2. Usage . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.3. Interaction with other optional extensions . . . . . . . . 19
6.4. DTLS transform . . . . . . . . . . . . . . . . . . . . . . 19
7. Remote checksum offload option . . . . . . . . . . . . . . . . 20
7.1. Extension field format . . . . . . . . . . . . . . . . . . 20
7.2. Usage . . . . . . . . . . . . . . . . . . . . . . . . . . 21
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