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:
Sep. 03, 2013
Filed:
Aug. 27, 2010
LI LI, Beijing, CN;
Jia Jia Wen, Beijing, CN;
Zhe Xiang, Beijing, CN;
Yi Xin Zhao, Beijing, CN;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method and device of identifying payload of a data packet in a TCP stream. The method includes the steps of: calculating a payload signature according to information in header of the data packet in the TCP stream; comparing the payload signature with a pre-stored file signature; determining the payload of the data packet in the TCP stream as belonging to a file corresponding to the pre-stored file signature, in response to a match between payload signatures of multiple data packets and the pre-stored file signature. The present invention can monitor and identify TCP streams by using a more efficient and lower cost solution.