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Proceedings Paper

Scenarios for control and data flows in multiprotocol over ATM
Author(s): Ali Kujoory
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Paper Abstract

The multiprotocol over ATM (MPOA), specified by the ATM Forum, provides an architecture for transfer of Internetwork layer packets (Layer 3 datagram such as IP, IPX) over ATM subnets or across the emulated LANs. MPOA provides shortcuts that bypass routers to avoid router bottlenecks. It is a grand union of some of the existing standards such as LANE by the ATM Forum, NHRP by the IETF, and the Q.2931 by ITU. The intent of this paper is to clarify the data flows between pairs of source and destination hosts in an MPOA system. It includes scenarios for both the intra- and inter-subnet flows between different pairs of MPOA end-systems. The intrasubnet flows simply use LANE for address resolution or data transfer. The inter-subnet flows may use a default path for short-lived flows or a shortcut for long-lived flows. The default path uses the LANE and router capabilities. The shortcut path uses LANE plus NHRP for ATM address resoluton. An ATM virtual circuit is established before the data transfer. This allows efficient transfer of internetwork layer packets over ATM for real-time applications.

Paper Details

Date Published: 6 October 1997
PDF: 7 pages
Proc. SPIE 3233, Broadband Networking Technologies, (6 October 1997); doi: 10.1117/12.290459
Show Author Affiliations
Ali Kujoory, AT&T Labs. (United States)

Published in SPIE Proceedings Vol. 3233:
Broadband Networking Technologies
Seyhan Civanlar; Indra Widjaja, Editor(s)

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