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SUMMARY:Load Migration in SDN Controllers - Yashar Ganjali\, University of
  Toronto
DTSTART:20201126T150000Z
DTEND:20201126T160000Z
UID:TALK152236@talks.cam.ac.uk
CONTACT:Srinivasan Keshav
DESCRIPTION:Distributed control solutions were introduced to address contr
 oller reliability and scalability issues in software-defined networking. 
 The dynamic nature of network traffic can lead to load imbalance amongst c
 ontroller instances. A highly loaded controller instance can be slower in 
 responding to datapath queries\, and can slow down the entire control plat
 form as state synchronization\, and consensus amongst controller instances
  are performed cooperatively.\n\nIn this talk\, we present new and efficie
 nt load migration protocols for shifting input load associated with overlo
 aded controller instances towards lightly loaded instances. These protocol
 s can be used for a wide range of network applications including load bala
 ncing\, power saving\, and resource optimization. Unlike previous protocol
 s for load migration\, our solutions are resilient to failures during migr
 ation\, and ensure consistency among all controller instances. The protoco
 ls are also more efficient\, with 25-55% reduction in migration time\, and
  10-20% reduction in required migration buffer size. \n\nBio\n\nYashar Gan
 jali is a professor of computer science at the University of Toronto. He i
 s a member of Computer Systems and Networks Group. He received his BSc in 
 Computer Engineering from Sharif University of Technology\, and his MSc in
  Computer Science from University of Waterloo. He completed his PhD in Ele
 ctrical Engineering at Stanford University. His PhD dissertation studied t
 he buffer sizing problem in Internet core routers\, and showed the possibi
 lity of reducing buffer sizes from millions of packets to just a few packe
 ts in Internet core routers.\n\nDr. Ganjali's research interests include p
 acket switching architectures/algorithms\, software-defined networking\, d
 ata center networking\, congestion control\, network measurements\, and on
 line social networks. He has received several awards for his research incl
 uding best paper award in Internet Measurement Conference 2008\, best pape
 r runner up in IEEE INFOCOM 2003\, best demo runner up in SIGCOMM 2008\, f
 irst and second prizes in NetFPGA Design Competition 2010\, Cisco Research
  Award\, and a Distinguished Faculty Award from Facebook.
LOCATION:https://meet.google.com/ehj-dwaz-rea
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