The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 20, 2005
Filed:
Jan. 16, 2002
Scott Hauck, Bloomington, MN (US);
Scott Hauck, Bloomington, MN (US);
Caspian Networks, Inc., San Jose, CA (US);
Abstract
Network tunneling methods and apparatus utilizing flow state information are provided. A router includes an ingress linecard having logic that selects a particular network tunnel for a received micro-flow. The ingress linecard further includes logic that selects a particular egress linecard and a particular port to utilize for transmitting the micro-flow. The router also includes an aggregate flow block that includes tunnel specific information for the selected network tunnel. The tunnel specific information includes but is not limited to label action and outgoing label(s), Layer 2 tunneling action or Layer 3 actions. The aggregate flow block further includes statistics for the selected network tunnel. In addition, the router includes a flow block having flow state information for the micro-flow. The flow block also includes an identifier that associates the flow block with the aggregate flow block.