Extensions for Generic UDP Encapsulation
draft-ietf-intarea-gue-extensions-01

Document Type Active Internet-Draft (intarea WG)
Last updated 2017-05-18
Stream IETF
Intended RFC status (None)
Formats plain text pdf html bibtex
Stream WG state WG Document
Document shepherd No shepherd assigned
IESG IESG state I-D Exists
Consensus Boilerplate Unknown
Telechat date
Responsible AD (None)
Send notices to (None)
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
   Internet-Drafts.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   The list of current Internet-Drafts can be accessed at
   http://www.ietf.org/1id-abstracts.html

   The list of Internet-Draft Shadow Directories can be accessed at
   http://www.ietf.org/shadow.html

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
   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  . . . . . . . . . . . . . . . . . . .  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
Show full document text