Electrical computers and digital processing systems: multicomput – Computer network managing – Computer network access regulating
Reexamination Certificate
2007-03-12
2010-02-16
Jean Gilles, Jude J. (Department: 2443)
Electrical computers and digital processing systems: multicomput
Computer network managing
Computer network access regulating
C709S238000, C709S224000, C709S203000, C709S232000, C370S389000, C370S468000, C370S252000, C370S422000
Reexamination Certificate
active
07664857
ABSTRACT:
The solution of the present invention provides systems and methods for encoding information into an Internet Protocol identification field (IPID) of an IP layer header of a network packet in a manner acceptable to many or all of the network devices that encounter the encoded packet. In one embodiment, the solution described herein encodes the IP identification field of the IPID header with information to be communicated between devices. Appliances may use the encoded IP field as a signal or a means for a low-bandwidth subcarrier of data between the appliances that is transparent to any intervening network equipment. For example, the encoded field may be used to announce or probe the presence of a device, a functionality or capability of device or to indicate a type or speed of a network connection of a port on a device.
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Decasper Dan
Ovsiannikov Mike
Plamondon Robert
Samuels Allen
Choate Hall & Stewart LLP
Citrix Systems, Inc.
Jean Gilles Jude J.
Lanza John D.
McKenna Christopher J.
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