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אירועים

ceClub: On the Steady State of Cache Networks (Infocom Best Paper Award)
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אלישה רוזנצווייג (אלקטל לוסנט)
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יום רביעי, 26.6.2013, 11:30
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חדר 815, בניין מאייר, הפקולטה להנדסת חשמל
Over the past few years Content-Centric Networking, a networking model in which host-to-content communication protocols are introduced, has been gaining much attention. A central component of such an architecture is a large-scale interconnected caching system. To date, the way these Cache Networks operate and perform is still poorly understood. In this work, we demonstrate that certain cache networks are non-ergodic in that their steady-state characterization depends on the initial state of the system. We then establish several important properties of cache networks, in the form of three independently- sufficient conditions for a cache network to comprise a single ergodic component. Each property targets a different aspect of the system - topology, admission control and cache replacement policies. Perhaps most importantly we demonstrate that cache replacement can be grouped into equivalence classes, such that the ergodicity (or lack-thereof) of one policy implies the same property holds for all policies in the class.

Bio:
Elisha graduated in September 2012 for his PhD of Computer Science from UMass Amherst, under the advisorship of Prof. Jim Kurose. His thesis topic was "On the Analysis and Management of Cache Networks". Currently he is working at Alcatel-Lucent's CloudBand, a platform for managing Distributed Cloud and supporting Network Function Virtualization (NFV).
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