A Mobile Agent-activated Middleware for Internet Video on Demand(<Special Issue>Special Issue on Selected Papers from SAINT 2002(The 2002 Symposium on Applications and the Internet))

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概要

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• The widening of user requirements and the enlargement of terminal heterogeneity forceto address the issues of differentiated Quality-of-Service (QoS) and ubiquitous accessibility in Internet services. The paper claims that the provision of services with negotiated and controlled QoS over best-effort networks is achievable via distributed support infrastructures that activate some of the nodes along the network path between clients and servers. The paper proposes Mobile Agents (MAs) as the activation technology to implement the needed active infrastructures and presents the MA-based design and implementation of the ubiQoS middleware for Video on Demand. At the negotiation time, ubiQoS establishes an active path of intermediate nodes capable of tailoring multimedia flow QoS depending on profiles of user preferences and of device characteristics. At the provision time, ubiQoS monitors the offered quality and promptly react to changes in resource availability by locally performing management operations, such as flow transcoding/downscaling and resource preemption, when and where needed.

• 一般社団法人情報処理学会の論文
• 2002-11-15

著者

• Corradi Antonio

  Deis-university Of Bologna

• Bellavista Paolo

  Deis-university Of Bologna

関連論文

• A Mobile Agent-activated Middleware for Internet Video on Demand(Special Issue on Selected Papers from SAINT 2002(The 2002 Symposium on Applications and the Internet))

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