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Building and managing large scale di...

Liang, Jin.

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Building and managing large scale distributed services.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Building and managing large scale distributed services./
作者:	Liang, Jin.
面頁冊數:	111 p.
附註:	Adviser: Klara Nahrstedt.
Contained By:	Dissertation Abstracts International68-11B.
標題:	Computer Science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3290297
ISBN:	9780549340867

Building and managing large scale distributed services.
Liang, Jin.

Building and managing large scale distributed services. - 111 p.

Adviser: Klara Nahrstedt.

Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2007.

Recent research in peer-to-peer and grid computing has made it possible to build Internet scale services such as content distribution, storage service, name service and publish/subscribe. By utilizing large number of service nodes that collaborate in a decentralized fashion, such services can potentially achieve high scalability, availability, reliability and QoS/performance. Despite such potential, building large distributed services and testing them in a real world, widely distributed environment remains a difficult task, due to the scale of the services, and the frequent failures in the target environment.

ISBN: 9780549340867Subjects--Topical Terms:

626642
Computer Science.

Building and managing large scale distributed services.
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520 $a Recent research in peer-to-peer and grid computing has made it possible to build Internet scale services such as content distribution, storage service, name service and publish/subscribe. By utilizing large number of service nodes that collaborate in a decentralized fashion, such services can potentially achieve high scalability, availability, reliability and QoS/performance. Despite such potential, building large distributed services and testing them in a real world, widely distributed environment remains a difficult task, due to the scale of the services, and the frequent failures in the target environment.
520 $a In this dissertation we present our research aimed at simplifying the design, implementation and management of large distributed applications that provide Internet scale services. We first present OCMA, a layered architecture for designing large distributed applications. OCMA divides such applications into three layers: the membership layer, the overlay layer and the application layer. Each layer performs a well defined functionality. Such decomposition not only simplifies the application design, but also facilitates the reuse of components (layers) and the innovation within each component. We have designed two large distributed applications, the DagStream system for locality aware P2P streaming and the Management Overlay Networks (MON) system for distributed management. Both are designed according to the OCMA architecture.
520 $a Through the implementation of multiple large scale applications, we have extracted a C++ framework called PPF (Protocol Plugin Framework) for application implementation. Using PPF, application developers only need to implement the high level protocol between different application nodes. When the protocol is plugged into PPF, the same code can run in both simulation and real world mode. This minimizes the possibility of introducing bugs when porting simulation code to real world deployment.
520 $a MON is not just an example application designed according to OCMA. It is a simple, scalable and lightweight tool we have built for managing service applications running in a wide area environment. MON facilitates the management of such applications by building short-term, on-demand overlay networks that can be used to instantly query and control the distributed application status. Such distributed status query and control allows application developers to quickly detect, diagnose and correct potential application problems.
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