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Web services agreement specification (ws-agreement)
This document describes Web Services Agreement Specification (WS-Agreement), a Web Services protocol for establishing agreement between two parties, such as between a service provider and consumer,Expand
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Scheduling policies for an on-demand video server with batching
In an on-demand video server environment, clients make requests for movies to a centralized video server. Due to the stringent response time requirements, continuous delivery of a video stream to theExpand
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An approximate analysis of the LRU and FIFO buffer replacement schemes
In this paper, we develop approximate analytical models for predicting the buffer hit probability under the Least Recently Used (LRU) and First In First Out (FIFO) buffer replacement policies underExpand
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Web services on demand: WSLA-driven automated management
In this paper we describe a framework for providing customers of Web services differentiated levels of service through the use of automated management and service level agreements (SLAs). TheExpand
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Cremona: an architecture and library for creation and monitoring of WS-agreents
Using services across domain boundaries, be they organizations or self-managing components of large distributed systs, requires the setup of an agreent between the parties involved, defining theExpand
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An online video placement policy based on bandwidth to space ratio (BSR)
In a video-on-demand server, resource reservation is required to guarantee continuous delivery. Hence any given storage device (or a striping group treated as a single logical device) can serve onlyExpand
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PANDA: Specifying Policies for Automated Negotiations of Service Contracts
The Web and Grid services frameworks provide a promising infrastructure for cross-organizational use of online services. The use of services in large-scale and cross-organizational environmentsExpand
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A Service Level Agreement Language for Dynamic Electronic Services
This paper proposes a novel language for Service Level Agreements (SLAs) for dynamic and spontaneous electronic services. In a cross-organizational setting, it is important for customers of a serviceExpand
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Resource-based caching for Web servers
The WWW employs a hierarchical data dissemination architecture in which hyper-media objects stored at a remote server are served to clients across the Internet, and cached on disks at intermediateExpand
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Dynamic batching policies for an on-demand video server
In a video-on-demand environment, continuous delivery of video streams to the clients is guaranteed by sufficient reserved network and server resources. This leads to a hard limit on the number ofExpand
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