Multicast message transmission device and message receiving protocol device for realizing fair message delivery time for multicast message
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United States of America Patent
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-
Apr 24, 2001
Grant Date -
N/A
app pub date -
Mar 18, 1997
filing date -
Mar 18, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multicast message transmission device and a message receiving protocol device for guaranteeing a fair message delivery time for a multicast message. At the receiving protocol device, a release time of the received multicast message is set to a prescribed time specified to all receiving protocol devices of the same multicast group, and the received multicast message is stored until the release time, and then released to a corresponding upper level device. At the transmission device, each receiving protocol device is authenticated, and then the encrypted multicast messages are transmitted to the receiving protocol devices, while a prescribed decryption key corresponding to the encryption key of the encrypted multicast message is distributed the authenticated receiving protocol devices prior to transmissions of the multicast messages.
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