Invention Grant
- Patent Title: Systems and methods for forwarding network packets in a network using network domain topology information
- Patent Title (中): 使用网络拓扑信息在网络中转发网络数据包的系统和方法
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Application No.: US13603160Application Date: 2012-09-04
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Publication No.: US09331930B1Publication Date: 2016-05-03
- Inventor: Srinivasan Ramasubramanian , Kanzhe Jiang , Robert Edward Adams , Robert W. Sherwood , Subrata Banerjee
- Applicant: Srinivasan Ramasubramanian , Kanzhe Jiang , Robert Edward Adams , Robert W. Sherwood , Subrata Banerjee
- Applicant Address: US CA Santa Clara
- Assignee: Big Switch Networks, Inc.
- Current Assignee: Big Switch Networks, Inc.
- Current Assignee Address: US CA Santa Clara
- Agency: Treyz Law Group, P.C.
- Agent Michael H. Lyons
- Main IPC: H04L12/715
- IPC: H04L12/715
Abstract:
A controller may be used to control client switches in a network that includes non-client switches. The controller may form client domains from groups of client switches that are separated by intervening non-client domains formed from non-client switches. The controller may determine a network domain topology from the client domains and non-client domains. The controller may determine a spanning tree that interconnects the nodes of the network domain topology. The controller may control client switches of the client domains to allow only network traffic between the client domains and the non-client domains along the spanning tree. The controller may use the network domain topology to generate inter-domain forwarding maps. The inter-domain forwarding maps may be used to determine network forwarding paths between end hosts in the network.
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