[NRG] Notification: NRG Meeting: Route Coordination in Brokered Environments ... @ Mon Jan 26, 2015 11am - 12pm (NRG at BU)

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Title: NRG Meeting: Route Coordination in Brokered Environments (PhD  
Proposal Defense: Christine Bassem)
PhD Proposal Defense: Christine Bassem
Title: Route Coordination in Brokered Environments

With the recent shift towards the integration of federated commodities to  
provide high quality services, the adoption of brokered environments has  
increased. In brokered environments, participants share information about  
their resources and/or workloads with each other and a broker, which acts  
as an intermediary between them; with varying degrees of involvement.  As  
many services can be provided in such environments, I focus on the services  
that require the routing of a set of commodities over a  
communication/mobility graph, hence the route coordination of autonomous  
commodities is required.

In this talk, I will briefly present the route coordination models that I  
study in my thesis, and discuss in details my most recent work on  
network-constrained packing of brokered workloads in virtualized  
environments. This work is a form of implicit route coordination on  
stationary graphs, in which routes' properties are implicitly defined by  
their endpoints, and route coordination includes the decision on the  
endpoints of communication. As we focus on the problem of providing  
predictability guarantees to data-intensive workloads, we observe the range  
of data-intensive applications and data center topologies to define an  
abstraction that allows us to relate the problem to that of bin packing  
with implicit network properties. Then, we exploit that abstraction to  
classify the problem model into several special instances, and develop  
polynomial-time exact algorithms for two of these special instances that  
occur frequently in reality. Finally, we develop a greedy heuristic to  
solve the problem in the general model, which we evaluate via extensive  
simulations.

Committee:
Azer Bestavros (reader)
Ibrahim Matta (reader)
Evimaria Terzi (reader)
Mark Crovella (chair)
Steve Homer
When: Mon Jan 26, 2015 11am - 12pm Eastern Time
Where: MCS 148
Calendar: NRG at BU
Who:
     * Yuefeng Wang - creator

Event details:  
https://www.google.com/calendar/event?action=VIEW&eid=cjU0czZqcGRnYnBsNnBvYnE5ZWE1dGFmcmMgNTYwam42bnQ1aGo0b2YzcnNyaWNoZnB0aW9AZw

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