MARCH: A distributed content adaptation architecture

Ardon, Sébastien; Gunningberg, Per; Landfeldt, Bjorn; Ismailov, Yuri; Portmann, Marius; Seneviratne, Aruna

doi:10.1002/dac.582

Cited by 35 publications

(14 citation statements)

References 14 publications

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“…There are very few works on distributed content adaptation mechanism. Nevertheless, we can cite: Ninja [10], MARCH [11], DANAE [12], and DCAF [13]. In our previous work [13], we proposed a service-based architecture (DCAF).…”

Section: Related Workmentioning

confidence: 99%

“…As serverbased adaptation approach degrades the performance of the server, and client-based adaptation approach is very difficult and sometimes impossible due to the limited processing power of pervasive devices (e.g., smartphones, PDAs), most of existing adaptation systems implement a proxy-based approach. Furthermore, to alleviate the overload problem of content adaptation processing, distributed approaches were proposed such as Ninja [10], MARCH [11], DANAE [12], and DCAF [13].…”

Section: Introductionmentioning

confidence: 99%

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Efficient Execution of Service Composition for Content Adaptation in Pervasive Computing

Fawaz

Berhe

Brunie

et al. 2008

International Journal of Digital Multimedia Broadcasting

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Multimedia content adaptation has been proved to be an effective mechanism to mitigate the problem of devices and networks heterogeneity and constraints in pervasive computing environments. Moreover, it enables to deliver data taking into consideration the user's preferences and the context of his/her environment. In this paper, we present an algorithm for service composition and protocols for executing service composition plan. Both the algorithm and the protocols are implemented in our distributed content adaptation framework (DCAF) which provides a service-based content adaptation architecture. Finally, a performance evaluation of the algorithm and the protocols is presented.

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Section: Related Workmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Efficient Execution of Service Composition for Content Adaptation in Pervasive Computing

Fawaz

Berhe

Brunie

et al. 2008

International Journal of Digital Multimedia Broadcasting

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“…The extension uses the message-passing mechanism provided by the extension server to send to the endpoint messages containing the IP address of the machine on which it is executing and the ports the extension was able to open (Listing 2, lines [13][14][15]. This messagepassing mechanism is provided by the extension server for exactly this purpose of bootstrapping application-specific communication.…”

Section: Usage Scenariomentioning

confidence: 99%

“…The Web& system [10], Chroma [11], server-directed transcoding [12], and MARCH [13] split application functionality between an endpoint and a network node. Beyond these capabilities, we focus on providing a resource request model and implementing performance isolation in the execution environment.…”

Section: Placing Code "In" the Networkmentioning

confidence: 99%

Java active extensions: Scalable middleware for performance-isolated remote execution

Newhouse

Pasquale

2005

Computer Communications

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We present the design and implementation of a highly scalable and easily deployed middleware system that provides performance-isolated execution environments for client and server application functionality. The Java Active Extensions system allows clients or servers to "extend" their operation by hosting portions of their codes, called extensions, at network vantage points for improved performance and reliability, and by providing them with qualities of service in the form of rate-based resource reservations. This is especially useful for wireless resource-limited clients, which can remotely locate filters, caches, monitors, buffers, etc., to act on their behalf and improve interactions with servers. Servers also benefit by moving some of their services close to their clients (e.g., those near a common base station) to reduce latency and improve bandwidth. In both cases, the client's or server's extended functionality executes with a specified fraction of the (remote) system's processor. The system design is based on a scalable distributed architecture that allows for incremental hardware growth, and is highly deployable as it runs entirely at user level, including its rate-based scheduling system.

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“…Several other efforts have been made to develop generic proxy architectures, or proxy frameworks, that can be customized or extended to solve a particular problem, for example, Mobiware [1], RAPIDware [7], Web Intermediaries (WBI) [3,6], MARCH [2] and TACC [4].…”

Section: -Related Workmentioning

confidence: 99%

A Framework for Building Customized Adaptation Proxies

Rubinsztejn¹,

Endler²,

Rodríguez³

Intelligence in Communication Systems

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This article presents a framework for the development of adaptive proxies for context-aware mobile applications. The framework is in charge of collecting clients' current context (device and network), and trigger the appropriate adaptations. MoCA's Proxy Framework offers mechanisms for cache management, as well as for adaptation management. Developers need only create their application-specific adaptations (developing adapters modules) and define trigger conditions, priorities and selectors. This is done by specifying rules in XML format, which define the actions to be applied at the moment of a context change. The other extension point of the Proxy Framework is the caching policy to be used. Keywords:Mobile Computing, Context-awareness, Proxy, Framework IntroductionA common element in the architecture of distributed applications for mobile networks is a proxy [3,4], which intercepts the messages exchanged between the mobile clients and servers, and which is in charge of executing a number of transformations, adaptations or management functions on behalf of one or several clients, such as content adaptation, protocol translation, caching, personalization, user authentication, handover management, etc. The main advantage of using such an intermediary is to bridge the wired-wireless gap, and make all mobility, connectivity and context-dependent issues transparent to the application developer.Although each distributed application for such networks has specific adaptation and transformation requirements, there are a number of common and recurrent components and interaction patterns used for implementing usual *This project is partially funded by CNPq, Grants 55.2068/02-2 and 47.9824/04-5.

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MARCH: A distributed content adaptation architecture

Cited by 35 publications

References 14 publications

Efficient Execution of Service Composition for Content Adaptation in Pervasive Computing

Efficient Execution of Service Composition for Content Adaptation in Pervasive Computing

Java active extensions: Scalable middleware for performance-isolated remote execution

A Framework for Building Customized Adaptation Proxies

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