Packet communications method and apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Jun 26, 2003
app pub date -
Dec 6, 2002
filing date -
Dec 7, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A packet communications method whereby reliable and high-speed communication is possible without depending on the processing of other layers, and also whereby the system configuration can be flexibly changed without making circuit changes to the receiving unit. A device on the sending side adds a packet identifier to the packet and sends this packet along with a packet identical to this packet to a device on the receiving side. The device on the receiving side receives the packets sent from the device on the sending side, checks the packets for errors and, based on the packet identifier, determines whether or not the error-free packets have arrived first. If the packet arrived first, the packet with the packet identifier removed is subject to sending to a terminal, but if it arrived last, the packet is not subject to sending to the terminal, so only error-free packets are subject to the determination of whether it arrived first or not, and thus the determination can be performed accurately.
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