Invention Grant
- Patent Title: Traffic flow redirection between border routers using routing encapsulation
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Application No.: US15042222Application Date: 2016-02-12
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Publication No.: US09755971B2Publication Date: 2017-09-05
- Inventor: Xiaorong Wang , Dapeng Liu , Hunan Cao , Hongbo Xia
- Applicant: Cisco Technology, Inc.
- Applicant Address: US CA San Jose
- Assignee: Cisco Technology, Inc.
- Current Assignee: Cisco Technology, Inc.
- Current Assignee Address: US CA San Jose
- Agency: Edell, Shapiro & Finnan, LLC
- Main IPC: H04L12/741
- IPC: H04L12/741 ; H04L12/803 ; H04L12/721 ; H04L12/715 ; H04L12/46 ; H04L12/723 ; H04L12/813

Abstract:
In response to receiving one or more packets from an interface, an anchoring border router classifies the traffic flow and either transmits the packets based upon the routing control table as usual, or determines that the packets of the traffic flow are to be forwarded to a forwarding border router. Upon determining that the packets are to be forwarded, the packets are encapsulated with a routing encapsulation key corresponding to a routing path and are forwarded from the anchoring border router to the forwarding border router via a routing encapsulation tunnel. When a forwarding border router receives the redirected packets over the routing encapsulation tunnel, the forwarding border router removes the routing encapsulation key from the packets of the traffic flow and transmits the packets via a routing path corresponding to the routing encapsulation key.
Public/Granted literature
- US20160164782A1 Traffic Flow Redirection between Border Routers using Routing Encapsulation Public/Granted day:2016-06-09
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