Extensions for Generic UDP Encapsulation
draft-herbert-gue-extensions-01

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INTERNET-DRAFT                                                T. Herbert
Intended Status: Proposed Standard                              Facebook
Expires: May 1, 2017                                             L. Yong
                                                                  Huawei
                                                              F. Templin
                                                                  Boeing
                                                                        
                                                        October 28, 2016

                Extensions for Generic UDP Encapsulation
                    draft-herbert-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 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.

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Copyright and License Notice

   Copyright (c) 2016 IETF Trust and the persons identified as the
   document authors. All rights reserved.
 

T. Herbert                Expires May 1, 2016                   [Page 1]
INTERNET DRAFT      draft-herbert-gue-extensions-00     October 28, 2016

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Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4
   2.  GUE header format with optional extensions . . . . . . . . . .  4
   3.  Security option  . . . . . . . . . . . . . . . . . . . . . . .  5
     3.1.  Extension field format . . . . . . . . . . . . . . . . . .  6
     3.2.  Usage  . . . . . . . . . . . . . . . . . . . . . . . . . .  6
     3.3.  Cookies  . . . . . . . . . . . . . . . . . . . . . . . . .  7
     3.4.  HMAC . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
       3.4.1. Extension field format  . . . . . . . . . . . . . . . .  7
       3.4.2. Selecting a hash algorithm  . . . . . . . . . . . . . .  8
       3.4.3. Pre-shared key management . . . . . . . . . . . . . . .  8
     3.5.  Interaction with other optional extensions . . . . . . . .  9
   4.  Fragmentation option . . . . . . . . . . . . . . . . . . . . .  9
     4.1.  Motivation . . . . . . . . . . . . . . . . . . . . . . . .  9
     4.2.  Scope  . . . . . . . . . . . . . . . . . . . . . . . . . . 11
     4.3.  Extension field format . . . . . . . . . . . . . . . . . . 11
     4.4.  Fragmentation procedure  . . . . . . . . . . . . . . . . . 12
     4.5.  Reassembly procedure . . . . . . . . . . . . . . . . . . . 14
     4.6.  Security Considerations  . . . . . . . . . . . . . . . . . 16
   5.  Payload transform option . . . . . . . . . . . . . . . . . . . 16
     5.1.  Extension field format . . . . . . . . . . . . . . . . . . 16
     5.2.  Usage  . . . . . . . . . . . . . . . . . . . . . . . . . . 17
     5.3.  Interaction with other optional extensions . . . . . . . . 17
     5.4.  DTLS transform . . . . . . . . . . . . . . . . . . . . . . 18
   6.  Remote checksum offload option . . . . . . . . . . . . . . . . 18
     6.1.  Extension field format . . . . . . . . . . . . . . . . . . 19
     6.2.  Usage  . . . . . . . . . . . . . . . . . . . . . . . . . . 19
       6.2.1. Transmitter operation . . . . . . . . . . . . . . . . . 19
       6.2.2. Receiver operation  . . . . . . . . . . . . . . . . . . 20
     6.3.  Security Considerations  . . . . . . . . . . . . . . . . . 21
   7.  Checksum option  . . . . . . . . . . . . . . . . . . . . . . . 21
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