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Network Innovation through OpenFlow and SDN
book

Network Innovation through OpenFlow and SDN

by Fei Hu
February 2014
Intermediate to advanced content levelIntermediate to advanced
520 pages
13h 14m
English
CRC Press
Content preview from Network Innovation through OpenFlow and SDN
290
SANPING LI ET AL.
© 2010 Taylor & Francis Group, LLC
more than the predefined timeout threshold. e Timeout microen-
gine sends the list of timed-out flows up to the host. Next, the host
will read in the flow features for all timed-out flows, send that infor-
mation to the controller, and delete the flow-table entry.
e NFD-related microengine code is Netronome’s proprietary
system for copying packets to and from the host memory over the
PCIe bus. e host application uses the NFD application program-
ming interfaces (APIs) to access the packets sent from the NFD Write
microengine and to send packets out to the NFD Read microengine.
e NFD Queue Controller microengine is responsible for signaling
the other two engines and for preserving transactio ...
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Publisher Resources

ISBN: 9781466572096