Proactively retransmitting data packets in a low latency packet data network

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United States of America Patent

PATENT NO 9025475
SERIAL NO

13350925

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Abstract

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The concepts and technologies disclosed herein take advantage of the low latency in high-speed local area networks to retransmit more quickly than waiting for a computer to acknowledge a packet on a high latency network, such as the Internet, or waiting for a retransmit timeout. For instance, if a first computer operating in a local area network detects that a data packet has not yet been received by an outgoing network edge component within an expected time period, the first computer can infer that the data packet has not yet reached a second computer. In response, the first computer can retransmit the packet to the outgoing network edge component without the second computer being aware of the lost packet. Also, within a local area network, an incoming network edge component can preserve packets in a data buffer in case the first computer indicates it did not receive a packet.

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Patent Owner(s)

Patent OwnerAddress
AMAZON TECHNOLOGIES INCPO BOX 81226 SEATTLE WA 98108-1226

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Laurence, Douglas S Mercer Island, US 2 63
Sorenson, James Christopher Seattle, US 1 0

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