Network congestion notification preservation and modification during transmission of network data between physical network and virtual network
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United States of America Patent
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Oct 20, 2015
Issued Date -
N/A
app pub date -
Mar 14, 2013
filing date -
May 31, 2012
priority date (Note) -
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Abstract
A virtual network is implemented on a physical network. A virtual network data packet is tunneled through the physical network via encapsulation within a physical network data packet and via transmission of the physical network data packet through the physical network. A network congestion notification capability of the virtual network is preserved and modified during transmission of virtual network data through the physical network and vice-versa. Congestion notification metadata can be copied from a header of a virtual network data packet to a header of a physical network data packet when the virtual network data packet is encapsulated into the physical network data packet. Congestion notification metadata can be copied from a header of a physical network data packet to a header of a virtual network data packet when the virtual network data packet is decapsulated from the physical network data packet.
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