IBM System z10 Open Systems Adapter Ethernet data router

The IBM Open Systems Adapter (OSA) is a family of integrated hardware features that enables direct connection between IBM System z10(TM) hosts and clients on local area networks (LANs). The OSA provides a virtual interface to the LAN that may be shared by hundreds of host operating systems. The newe...

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Bibliographic Details
Published in:IBM journal of research and development 2009-01, Vol.53 (1), p.1-8:12
Main Authors: Haynie, H M, Turner, J M, Hanscom, J C, Cadigan, M, Hadzic, N, Di Genova, D, Aylward, J, Salisbury, S W, Sciuto, P, Needham, T D, Bubb, C E, Tremaine, R B
Format: Article
Language:English
Subjects:
Computer architecture
Computer peripherals
Ethernet
Local area networks
Network adapters
Open systems
Routers
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Summary:The IBM Open Systems Adapter (OSA) is a family of integrated hardware features that enables direct connection between IBM System z10(TM) hosts and clients on local area networks (LANs). The OSA provides a virtual interface to the LAN that may be shared by hundreds of host operating systems. The newest OSA generation employs a hardware-based Ethernet virtualization offload engine to significantly increase throughput and reduce latency in line with the latest 1-Gb and 10-Gb Ethernet adapters. The router is embodied in the OSA Ethernet data router ASIC (application-specific integrated circuit) chipset and is packaged in several configurations. This paper describes the function of the OSA Ethernet data router, its hardware architecture, and the implementation of the design. [PUBLICATION ABSTRACT]
ISSN:0018-8646
0018-8646
2151-8556
DOI:10.1147/jrd.2009.5388575