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Title: Multi-planed unified switching topologies

An apparatus and method for extending the scalability and improving the partitionability of networks that contain all-to-all links for transporting packet traffic from a source endpoint to a destination endpoint with low per-endpoint (per-server) cost and a small number of hops. An all-to-all wiring in the baseline topology is decomposed into smaller all-to-all components in which each smaller all-to-all connection is replaced with star topology by using global switches. Stacking multiple copies of the star topology baseline network creates a multi-planed switching topology for transporting packet traffic. Point-to-point unified stacking method using global switch wiring methods connects multiple planes of a baseline topology by using the global switches to create a large network size with a low number of hops, i.e., low network latency. Grouped unified stacking method increases the scalability (network size) of a stacked topology.
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Issue Date:
OSTI Identifier:
International Business Machines Corporation LBNL
Patent Number(s):
Application Number:
Contract Number:
Resource Relation:
Patent File Date: 2015 Dec 29
Research Org:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org:
Country of Publication:
United States

Other works cited in this record:

Repeater with flow control device transmitting congestion indication data from output port buffer to associated network node upon port input buffer crossing threshold level
patent, February 2001

Systems and methods for upgradeable scalable switching
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Physical path determination for virtual network packet flows
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patent-application, June 2002

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patent-application, November 2003

Loop prevention system and method in a stackable ethernet switch system
patent-application, January 2007

Flexible Radix Switch
patent-application, April 2013

Generating Network Topologies
patent-application, May 2013

Stack Isolation By A Storage Network Switch
patent-application, April 2015

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