Invention Grant
- Patent Title: Multi-stage switching topology
- Patent Title (中): 多级交换拓扑
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Application No.: US13358898Application Date: 2012-01-26
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Publication No.: US08902751B1Publication Date: 2014-12-02
- Inventor: Junlan Zhou , Amin Vahdat , Arjun Singh
- Applicant: Junlan Zhou , Amin Vahdat , Arjun Singh
- Applicant Address: US CA Mountain View
- Assignee: Google Inc.
- Current Assignee: Google Inc.
- Current Assignee Address: US CA Mountain View
- Agency: Lerner, David, Littenberg, Krumholz & Mentlik, LLP
- Main IPC: H04L12/28
- IPC: H04L12/28 ; H04L12/46

Abstract:
A system and method provides for delivering substantially uniform performance to all hosts in a network while minimizing a total number of switches required to deliver that performance. In a multi-stage network having a plurality of switches in a first tier and a plurality of switches in a second tier, additional switches may be deployed in the second tier to alleviate problems occurring as a result of uneven striping. A minimum number of second tier switches to be deployed may be determined as a function of a target level of throughput, for example, when using WCMP flow distribution.
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