Subject: [NSIS] Draft submitted: draft-buchli-nsis-req-00.txt

From: [email-masked]
Date: Tue, 26 Feb 2002 09:58:32 +0100

Dear all,

We have submitted a draft containing requirements for the NSIS working group based on an
architecture that is derived from two use cases. The draft is available at
http://users.skynet.be/besvand1/draft-buchli-nsis-req-00.txt and will soon be available in
the IETF internet-draft directory.

We are very much aware that currently a lot of work has been done by the team of Brunner and
by the people of the draft of David Partain. We submitted our draft because we have been
working on it for a while and we believe it offers a different perspective on the approach
presented in draft-brunner. In this way we think it can be useful to further prioritize the
requirements in this draft.

----------------------------------------------
   Title     : QoS signaling requirements, interfaces and architecture
   Author(s) : Maarten Buchli, Danny Goderis, Sven Van den Bosch,
               Juan-Carlos Rojas, Stefan Custers
   Filename  : draft-buchli-nsis-req-00.txt
   Pages     : 21
   Date      : February 2002

Abstract

This draft gives evidence for the existence of different QoS
signaling interfaces based on a reference architecture that is
derived from two use cases. The main purpose is to refine the
requirements for the signaling interface that is being considered in
scope of NSIS.

The two use cases are the interconnection of PSTN trunking gateways
over an IP core network and the connection of an UMTS access network
to an IP core network. From these use cases a QoS reference
architecture is derived containing QoS Initiator (QI) and QoS
Controller (QC) entities, as defined in draft-brunner-nsis-req-
00.txt. The architecture encompasses the inter-connection of any
type of access networks over an IP DiffServ core network and does
not require any upgrade of the existing (and deployed) DiffServ
routers.

The proposed architecture identifies four relevant signaling
interfaces between functional entities. We believe the interface
between QI and QC to be of particular interest in the context of
NSIS. Based on our architecture, the signaling protocol over this
interface can be kept simple.

Looking forward to your comments.

Kind regards,

Maarten Buchli
Danny Goderis
Sven Van den Bosch
Juan-Carlos Rojas
Stefan Custers

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