Applicability of Reliable Server Pooling for SCTP-Based Endpoint Mobility
draft-dreibholz-rserpool-applic-mobility-22

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Network Working Group                                       T. Dreibholz
Internet-Draft                                Simula Research Laboratory
Intended status: Informational                           J. Pulinthanath
Expires: February 7, 2018                   University of Duisburg-Essen
                                                         August 06, 2017

    Applicability of Reliable Server Pooling for SCTP-Based Endpoint
                                Mobility
            draft-dreibholz-rserpool-applic-mobility-22.txt

Abstract

   This document describes a novel mobility concept based on a
   combination of SCTP with Dynamic Address Reconfiguration extension
   and Reliable Server Pooling (RSerPool).

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Dreibholz & PulinthanathExpires February 7, 2018                [Page 1]
Internet-Draft         SCTP Mobility with RSerPool           August 2017

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Existing Mobility Solutions . . . . . . . . . . . . . . . . .   2
     2.1.  Mobile IP and Mobile IPv6 . . . . . . . . . . . . . . . .   2
     2.2.  SCTP with Dynamic Address Reconfiguration . . . . . . . .   3
   3.  Solutions for Simultaneous Handovers  . . . . . . . . . . . .   3
     3.1.  SCTP with Add-IP and Mobile-IP  . . . . . . . . . . . . .   3
     3.2.  SCTP with Add-IP and RSerPool . . . . . . . . . . . . . .   4
   4.  Reference Implementation  . . . . . . . . . . . . . . . . . .   4
   5.  Testbed Platform  . . . . . . . . . . . . . . . . . . . . . .   5
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .   5
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   5
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   5
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .   5
     8.2.  Informative References  . . . . . . . . . . . . . . . . .   6
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   7

1.  Introduction

   An increasing amount of Internet devices is getting mobile.
   Therefore, there is a growing demand for software solutions allowing
   for a seamless handover of communication sessions between multiple
   networks, e.g. to allow for a laptop or PDA to use a fast Ethernet
   connection when available, hand over to a WLAN when moving and hand
   over again to UMTS when the WLAN becomes unreachable - without
   interrupting the running communication sessions.

   Mobility handling is a deficiency of the common IP-based networks.
   Most of the available solutions are based on the network layer.  The
   disadvantage of such solutions is that fundamental changes in the
   network infrastructure are needed.  Therefore, we propose a new
   solution based on the upper layers to overcome these disadvantages.
   In this document, we present our mobility solution based on the SCTP
   protocol with Dynamic Address Reconfiguration extension and Reliable
   Server Pooling (RSerPool).

2.  Existing Mobility Solutions

2.1.  Mobile IP and Mobile IPv6

   In the concept of Mobile IP [RFC5944] every node must register to a
   Home-Agent (HA) in its own home network.  Then, the nodes are
   reachable under their home addresses managed by the HA.  When a node
   leaves its home network, it must also register at a Foreign Agent
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