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SUMMARY:Running NFV Service Chains at the True Speed of the Underlying Har
 dware - Dejan Kostic\, KTH
DTSTART:20201203T150000Z
DTEND:20201203T160000Z
UID:TALK152227@talks.cam.ac.uk
CONTACT:Srinivasan Keshav
DESCRIPTION:Following the success of Software-Defined Networking (SDN)\, N
 etwork Functions Virtualization (NFV) is poised to dramatically change the
  way network services are deployed. NFV advocates running chains of networ
 k functions (NFs) implemented as software on top of commodity hardware. Th
 e emerging 100-Gbps deployments will soon challenge the packet processing 
 limits of commodity hardware. As an illustration\, the available time to p
 rocess a 64-byte packet at 100 Gbps is only 5 nanoseconds. \n\nIn this tal
 k I will present our vision for running NFV service chains at the true spe
 ed of the underlying hardware. First\, I will introduce SNF\, a framework 
 that synthesizes network function service chains by eliminating redundant 
 I/O and repeated elements\, while consolidating stateful cross layer packe
 t operations across the chain. SNF uses graph composition and set theory t
 o determine traffic classes handled by a service chain composed of multipl
 e elements. It then synthesizes\neach traffic class using a minimal set of
  new elements that apply single-read-single-write and early-discard operat
 ions. Second\, I will describe Metron\, an NFV platform that achieves high
  resource utilization by jointly exploiting the underlying network and com
 modity\nservers' resources. This synergy allows Metron to: (i) offload par
 t of the packet processing logic to the network\, (ii) use smart tagging t
 o setup and exploit the affinity of traffic classes\, and (iii) use tag-ba
 sed hardware dispatching to carry out the remaining packet\nprocessing at 
 the speed of the servers' fastest cache(s)\, with zero intercore communica
 tion. With commodity hardware assistance\, Metron deeply inspects traffic 
 at 40 Gbps and realizes stateful network functions at the speed of a 100 G
 bE network card on a single server. \n\nBio\n\nDejan Kostic is a Chair Pro
 fessor of Internetworking at the KTH Royal Institute of Technology. He is 
 also associated with the Network Intelligence group at RISE Research Insti
 tutes of Sweden. His research interests include Distributed Systems\, Comp
 uter Networks\, Operating Systems\, and Mobile Computing.\n\nDejan Kostic 
 obtained his Ph.D. in Computer Science at the Duke University. He spent th
 e last two years of his studies and a brief stay as a postdoctoral scholar
  at the University of California\, San Diego. He received his Master of Sc
 ience degree in Computer Science from the University of Texas at Dallas\, 
 and his Bachelor of Science degree in Computer Engineering and Information
  Technology from the University of Belgrade (ETF)\, Serbia. From 2006 unti
 l 2012 he worked as a tenure-track Assistant Professor at the School of Co
 mputer and\nCommunications Sciences at EPFL (Ecole Polytechnique Federale 
 de Lausanne)\, Switzerland. In 2010\, he received a European Research Coun
 cil (ERC) Starting Investigator Award. From 2012 until June 2014\, he work
 ed at the IMDEA Networks Institute (Madrid\, Spain) as a Research Associat
 e Professor with tenure. He is a Professor of\nInternetworking at KTH sinc
 e April 2014. In 2018\, he received a European Research Council (ERC) Cons
 olidator Award.\n\n
LOCATION:https://meet.google.com/ehj-dwaz-rea
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