Extensions for Generic UDP Encapsulation
draft-ietf-intarea-gue-extensions-05
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INTERNET-DRAFT T. Herbert
Intended Status: Proposed Standard Quantonium
Expires: March 4, 2019 L. Yong
Huawei
F. Templin
Boeing
August 31, 2018
Extensions for Generic UDP Encapsulation
draft-ietf-intarea-gue-extensions-05
Abstract
This specification defines a set of the initial optional extensions
for Generic UDP Encapsulation (GUE).
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
Internet-Drafts.
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and may be updated, replaced, or obsoleted by other documents at any
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Copyright and License 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
(http://trustee.ietf.org/license-info) in effect on the date of
T. Herbert Expires March 4, 2019 [Page 1]
INTERNET DRAFT draft-ietf-intarea-gue-extensions-05 August 31, 2018
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with 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 warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 4
2. GUE header format with optional extensions . . . . . . . . . . 4
3. Group identifier option . . . . . . . . . . . . . . . . . . . 6
3.1. Extension field format . . . . . . . . . . . . . . . . . . 6
3.2. Usage . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4. Security option . . . . . . . . . . . . . . . . . . . . . . . 6
4.1. Extension field format . . . . . . . . . . . . . . . . . . 7
4.2. Usage . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.3. Cookies . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.4.1. Extension field format . . . . . . . . . . . . . . . . 9
4.3.1. Operation . . . . . . . . . . . . . . . . . . . . . . . 8
4.3.1.1. Transmitter operation . . . . . . . . . . . . . . . 8
4.3.1.2. Receiver operation . . . . . . . . . . . . . . . . 9
4.4. HMAC . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.4.1. Extension field format . . . . . . . . . . . . . . . . 9
4.4.2. Selecting a hash algorithm . . . . . . . . . . . . . . 10
4.4.3. Pre-shared key management . . . . . . . . . . . . . . . 10
4.4.4. Operation . . . . . . . . . . . . . . . . . . . . . . . 11
4.4.4.1. Transmitter operation . . . . . . . . . . . . . . . 11
4.4.4.2. Receiver operation . . . . . . . . . . . . . . . . 11
4.5. Interaction with other optional extensions . . . . . . . . 12
5. Fragmentation option . . . . . . . . . . . . . . . . . . . . . 12
5.1. Motivation . . . . . . . . . . . . . . . . . . . . . . . . 13
5.2. Scope . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.3. Extension field format . . . . . . . . . . . . . . . . . . 14
5.4. Fragmentation procedure . . . . . . . . . . . . . . . . . 15
5.5. Reassembly procedure . . . . . . . . . . . . . . . . . . . 17
5.6. Security Considerations . . . . . . . . . . . . . . . . . 19
6. Payload transform option . . . . . . . . . . . . . . . . . . . 19
6.1. Extension field format . . . . . . . . . . . . . . . . . . 19
6.2. Usage . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6.3. Interaction with other optional extensions . . . . . . . . 21
6.4. DTLS transform . . . . . . . . . . . . . . . . . . . . . . 21
7. Remote checksum offload option . . . . . . . . . . . . . . . . 22
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