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:
Oct. 11, 2011
Filed:
Jun. 24, 2010
Manoj Apte, San Jose, CA (US);
Sandeep Jain, Santa Clara, CA (US);
Fritz Budiyanto, Sunnyvale, CA (US);
Senthil Kumar Duraiswamy, Coimbatore, IN;
Saravanan Deenadayalan, San Jose, CA (US);
Yulianto Kokasih Ko, Fremont, CA (US);
Manoj Apte, San Jose, CA (US);
Sandeep Jain, Santa Clara, CA (US);
Fritz Budiyanto, Sunnyvale, CA (US);
Senthil Kumar Duraiswamy, Coimbatore, IN;
Saravanan Deenadayalan, San Jose, CA (US);
Yulianto Kokasih Ko, Fremont, CA (US);
Juniper Networks, Inc., Sunnyvale, CA (US);
Abstract
A network device comprises a service card (e.g., a dynamic flow capture (DFC) service card) executing a communication protocol to receive, from one or more control sources, flow capture information specifying at least one destination and criteria for matching one or more packet flows. The network device includes a network interface card to receive a packet from a network, a packet replication module to replicate the packet, and a control unit to provide the replicated packet from the interface card to the DFC service card. The network device includes a filter cache that caches flow capture information recently received from the CSs. The network device may provide real-time intercept and relaying of specified network-based communications. Moreover, the techniques described herein allow CSs to tap packet flows with little delay after specifying flow capture information, e.g., within 50 milliseconds, even under high-volume networks.