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:
Aug. 11, 2015
Filed:
Nov. 25, 2003
Arindum Mukerji, Seattle, WA (US);
Jesse A. Rothstein, Seattle, WA (US);
Arindum Mukerji, Seattle, WA (US);
Jesse A. Rothstein, Seattle, WA (US);
F5 Networks, Inc., Seattle, WA (US);
Abstract
A system and method is directed to managing network communications and improving network security. In a communication protocol, an improved method of generating a value that encodes information received in an incoming message, and a corresponding way of validating an incoming message with an encoded value, improves network security. A technique for directing a network device to delay communications includes sending an instruction designating an initial window size of zero to the device. Another technique uses a TCP fast retransmit protocol. The techniques can be used to provide layer four switching, change to layer seven switching when desired, and then change back to layer four switching to improve security in a layer four switching device. Levels of trust can also be used to selectively perform aspects of the invention.