BANdwidth Aggregation for interNet Access (BANANA) Load Rebalance for Bonding Tunnels
draft-leymann-banana-load-rebalance-01

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Last updated 2017-08-15
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BANANA                                                        N. Leymann
Internet Draft                                              C. Heidemann
Intended Category: Informational                     Deutsche Telekom AG
                                                                 L. Geng
                                                            China Mobile
                                                                 J. Shen
                                                  China Telecom Co., Ltd
                                                                M. Zhang
                                                                 L. Chen
                                                                  Huawei
                                                               M. Cullen
                                                       Painless Security
Expires: February 16, 2018                               August 15, 2017

           BANdwidth Aggregation for interNet Access (BANANA)
                   Load Rebalance for Bonding Tunnels
               draft-leymann-banana-load-rebalance-01.txt

Abstract

   BANdwidth Aggregation for interNet Access (BANANA) makes use of a
   subscriber's multiple points of attachment to the Internet to provide
   the subscriber with higher bandwidth and reliability than what is
   provided by any single one of these attachments. 

   Various tunnel based methods have been developed to realize BANANA.
   This document specifies a throughput-increasing mechanism that can be
   commonly adopted by bonding tunnels methods. Basically, ingress node
   adaptively adjusts its load distribution function according to the
   quality of the bonding tunnels so as to make best use of the bonding
   bandwidth.

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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   The list of current Internet-Drafts can be accessed at
 

N. Leymann, et al      Expires February 16, 2018                [Page 1]
INTERNET-DRAFT    Load Rebalancing for Bonding Tunnels   August 15, 2017

   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.

   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
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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  . . . . . . . . . . . . . . . . . . . . . . . . .  2
   2. Acronyms and Terminology  . . . . . . . . . . . . . . . . . . .  3
   3. Problem: Bonding Reordering Buffer Bloating . . . . . . . . . .  3
   4. Related Work  . . . . . . . . . . . . . . . . . . . . . . . . .  5
   5. Load Rebalance  . . . . . . . . . . . . . . . . . . . . . . . .  5
     5.1. Adaptive Splitting Ratio  . . . . . . . . . . . . . . . . .  6
   6. Protocol Extensions . . . . . . . . . . . . . . . . . . . . . .  6
   7. Security Considerations . . . . . . . . . . . . . . . . . . . .  6
   8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . .  6
   9. References  . . . . . . . . . . . . . . . . . . . . . . . . . .  6
     9.1. Normative References  . . . . . . . . . . . . . . . . . . .  7
     9.2. Informative References  . . . . . . . . . . . . . . . . . .  7
   Author's Addresses . . . . . . . . . . . . . . . . . . . . . . . .  9

1. Introduction

   BANdwidth Aggregation for interNet Access (BANANA) enables
   subscribers to make use of multiple access technologies to achieve
   reliable and high bandwidth Internet access. Various bonding tunnel
   technologies have been proposed to realize BANANA [GREbond] [GTPbond]
   [MIPbond]. Since per packet traffic distribution is adopted by
   bonding tunnels, latency difference of the two tunnels may cause
   packet disorder to a single traffic flow that is being split across
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