Error correction using state information of data

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United States of America Patent

PATENT NO 10063617
APP PUB NO 20170085679A1
SERIAL NO

14861913

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The disclosure is directed to error correction in transmission of data whose state is to be synchronized between a server and a client. When data, e.g., a web page, changes at the server, the changes are sent to the client as a sequence of diffs, where each diff represents an incremental change in the state of the data over a previous diff in the sequence. This can eliminate the need to transmit the whole webpage whenever the web page changes. If a diff is lost in transmission, the state of the webpage at the client becomes invalid. To overcome this problem, the server sends a hash of the webpage state at the server to the client, e.g., at specified intervals. The client or server can compute a hash of the webpage state and compare both the hashes. If they don't match, the client receives the whole webpage.

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First Claim

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Patent Owner(s)

  • FACEBOOK, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mayle, Douglas Michael San Francisco, US 11 25

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