Title: Toshiba's Router Architecture Extensions for ATM : Overview
Author(s): Y. Katsube, K. Nagami, H. Esaki.
Status: INFORMATIONAL
Date: Feb 1997
Length: 43622
This memo describes a new internetworking architecture which makes better use of the property of ATM. IP datagrams are transferred along hop-by-hop path via routers, but datagram assembly/disassembly and IP header processing are not necessarily carried out at individual routers in the proposed architecture. A concept of "Cell Switch Router (CSR)" is introduced as a new internetworking equipment, which has ATM cell switching capabilities in addition to conventional IP datagram forwarding. Proposed architecture can provide applications with high-throughput and low-latency ATM pipes while retaining current router-based internetworking concept. It also provides applications with specific QoS/bandwidth by cooperating with internetworking level resource reservation protocols such as RSVP.
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