System for remotely waking a sleeping computer in power down state by comparing incoming packet to the list of packets storing on network interface card
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United States of America Patent
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-
Sep 1, 1998
Grant Date -
N/A
app pub date -
May 17, 1996
filing date -
May 17, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
In a computer network including a plurality of interconnected computers, one of the computers being a sleeping computer in a power down state, the sleeping computer having a list of packets to listen for stored on a network interface card associated with the sleeping computer, a method of waking the sleeping computer from the computer network. An incoming packet of information is transmitted from one of the computers in the network to the sleeping computer. When the network interface card of the sleeping computer detects the incoming packet, it compares the incoming packet to the list of packets stored on the network interface card. If the incoming packet matches one of the packets in the list of packets stored on the network interface card, or if the incoming packet is directly addressed to the sleeping computer, then a signal is issued to wake the sleeping computer. Otherwise, the incoming packet is discarded and the sleeping computer is not awaken.
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