Electrical computers and digital processing systems: multicomput – Computer-to-computer data modifying – Compressing/decompressing
Reexamination Certificate
2002-04-30
2008-12-09
Blair, Douglas B (Department: 2442)
Electrical computers and digital processing systems: multicomput
Computer-to-computer data modifying
Compressing/decompressing
Reexamination Certificate
active
07464185
ABSTRACT:
A method of transferring data from a sending system to a receiving system in a network is disclosed. The sending system compresses the data according to a selected compression technique without regard to availability of a corresponding decompression technique at the receiving system. The sending system sends the compressed data and an identifier identifying the selected compression technique in a message to the receiving system. Upon reception of the message, the receiving system determines, using the identifier, if the corresponding decompression technique is available at the receiving system. If it is determined that the decompression technique is not available, the receiving system acquires automatically the decompression technique from outside of the receiving system. The receiving system decompresses the compressed data using either the locally available or the acquired decompression technique. The sending system and a receiving system that performs the above method is also disclosed.
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Blair Douglas B
Hewlett--Packard Development Company, L.P.
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