BANdwidth Aggregation for interNet Access (BANANA) The Data Plane of Bonding Tunnels
draft-leymann-banana-data-encap-00

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BANANA                                                        N. Leymann
Internet Draft                                              C. Heidemann
Intended Category: Proposed Standard                 Deutsche Telekom AG
                                                                M. Zhang
                                                             B. Sarikaya
                                                                  Huawei
                                                               M. Cullen
                                                       Painless Security
Expires: November 26, 2017                                  May 25, 2017

           BANdwidth Aggregation for interNet Access (BANANA)
                   The Data Plane of Bonding Tunnels
                 draft-leymann-banana-data-encap-00.txt

Abstract

   This memo specifies the encapsulation format for data packets of
   BANdwidth Aggregation for interNet Access (BANANA).

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) 2017 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
 

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INTERNET-DRAFT            BANANA Encapsulation              May 25, 2017

   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 . . . . . . . . . . . . . . . . . . . . . . . . .  2
   2.  Acronyms and Terminology . . . . . . . . . . . . . . . . . . .  2
   3.  Data Encapsulation . . . . . . . . . . . . . . . . . . . . . .  3
     3.1.  The GRE Header . . . . . . . . . . . . . . . . . . . . . .  3
   4.  The Reordering Buffer  . . . . . . . . . . . . . . . . . . . .  4
   5.  Security Considerations  . . . . . . . . . . . . . . . . . . .  4
   6.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . .  4
   7.  References . . . . . . . . . . . . . . . . . . . . . . . . . .  5
     7.1.  Normative References . . . . . . . . . . . . . . . . . . .  5
     7.2.  Informative References . . . . . . . . . . . . . . . . . .  5
   Contributors . . . . . . . . . . . . . . . . . . . . . . . . . . .  5
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . .  6

1.  Introduction

   GRE tunnels are set up over heterogeneous connections between the
   local BANANA box and the remote BANANA box.  These tunnels are bonded
   together to form a logic single connection for the subscriber.  Each
   tunnel may be used to carry a user's IP packets as payload, which
   forms a typical IP-over-IP overlay.

   This document adopts the GRE header with Key and Sequence Number
   extensions specified by [RFC2890].  The Protocol Type of the GRE
   header is either 0x0800 (listed as "0x800" in [RFC2784]) or 0x86DD
   [RFC7676], which indicates that the inner packet is either an IPv4
   packet or an IPv6 packet, respectively.  The GRE Key field is set to
   a unique value for the bonding GRE tunnels between two peering BANANA
   boxes.  The GRE Sequence Number field is used to maintain the
   sequence of packets transported in all these GRE tunnels.  

2.  Acronyms and Terminology

   GRE: Generic Routing Encapsulation [RFC2784] [RFC2890].

   RTT: Round-Trip Time.

 

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   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in RFC 2119 [RFC2119].
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