Extensions for Generic UDP Encapsulation
draft-ietf-intarea-gue-extensions-06

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INTERNET-DRAFT                                                T. Herbert
Intended Status: Proposed Standard                            Quantonium
Expires: September 9, 2019                                       L. Yong
                                                             Independent
                                                              F. Templin
                                                                  Boeing
                                                           March 8, 2019

                Extensions for Generic UDP Encapsulation
                  draft-ietf-intarea-gue-extensions-06

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
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Copyright and License Notice

   Copyright (c) 2019 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 September 9, 2019                [Page 1]
INTERNET DRAFT    draft-ietf-intarea-gue-extensions-06     March 8, 2019

   publication of this document. Please review these documents
   carefully, as they describe your rights and restrictions with respect
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   include Simplified BSD License text as described in Section 4.e of
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   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 . . . . . . . . . . . . . . . 11
       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