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Broadcast Disks: Data Management for Asymmetric Communication Environments

dc.contributor.authorAcharya, Swarupen_US
dc.contributor.authorAlon, Rafaelen_US
dc.contributor.authorFranklin, Michael J.en_US
dc.contributor.authorZdonik, Stanleyen_US
dc.description.abstractThis paper proposes the use of repetitive broadcast as a way of augmenting the memory hierarchy of clients in an asymmetric communication environment. We describe a new technique called "Broadcast Disks" for structuring the broadcast in a way that provides improved performance for non-uniformly accessed data. The Broadcast Disk superimposes multiple disks spinning at different speeds on a single broadcast channel in effect creating an arbitrarily fine-grained memory hierarchy. In addition to proposing and defining the mechanism, a main result of this work is that exploiting the potential of the broadcast structure requires a reevaluation of basic cache management policies. We examine several "pure" cache management policies and develop and measure implementable approximations to these policies. These results and others are presented in a set of simulation studies that substantiates the basic idea and develops some of the intuitions required to design a particular broadcast program. (Also cross-referenced as UMIACS-TR-94-120)en_US
dc.format.extent427067 bytes
dc.relation.ispartofseriesUM Computer Science Department; CS-TR-3369en_US
dc.relation.ispartofseriesUMIACS; UMIACS-TR-94-120en_US
dc.titleBroadcast Disks: Data Management for Asymmetric Communication Environmentsen_US
dc.typeTechnical Reporten_US
dc.relation.isAvailableAtDigital Repository at the University of Marylanden_US
dc.relation.isAvailableAtUniversity of Maryland (College Park, Md.)en_US
dc.relation.isAvailableAtTech Reports in Computer Science and Engineeringen_US
dc.relation.isAvailableAtUMIACS Technical Reportsen_US

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