Packet Relaying Device, Packet Relaying Method And Program
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United States of America Patent
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N/A
Issued Date -
Sep 1, 2011
app pub date -
Oct 29, 2010
filing date -
Oct 30, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A packet relaying device, wherein a reception processing unit judges an interface used to receive an IP packet from a network, and records a reception interface identifier (RID) which is information for identifying the interface, in a packet transmission/reception management table, a route control unit records, in the packet transmission/reception management table, a transmission interface identifier (SID) which is information for identifying the transmission interface obtained by selection of a transmission path and the above described reception interface identifier (RID), in such a manner that the identifies are associated with each other. A transmission processing unit makes a comparison between the reception interface identifier (RID) and the transmission interface identifier (SID) recorded in the packet transmission/reception management table, and when the both identifiers are the interface identifier of the same virtual network interface, the transmission processing unit discards the IP packet to invalidate the transmission process.
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