Member Login

E-mail:    Password:  




 TitleDate AddedCompany
whitepaper Context-Specific Middleware Specialization Techniques for Optimizing Software Product-Line Architectures2008-01-01 Association for Computing Machinery
  Product-Line Architectures (PLA)s are an emerging paradigm for developing software families for Distributed Real-time and Embedded (DRE) systems by customizing reusable artifacts, rather than handcrafting software from scratch. This paper provides many contributions to the study of middleware specialization techniques for PLA-based DRE systems. First, they identify key dimensions of generality in standard middleware, including generality stemming from framework implementations, deployment platforms, and middleware standards. Second, they illustrate how context-specific specialization techniques can be automated and applied to tailor standard middleware to better meet the QoS needs of different PLA product variants. Third, they quantify the benefits of applying automated tools to specialize a standard Real-time CORBA middleware implementation.

Tags: Components, Network Management		   
whitepaper A Control-Based Middleware Framework for Quality of Service Adaptations2008-01-01 University of Illinois
  In heterogeneous environments with performance variations present, multiple applications compete and share a limited amount of system resources, and suffer from variations in resource availability. These complex applications are desired to adapt themselves and to adjust their resource demands dynamically. This paper presents a novel Middleware Control Framework to enhance the effectiveness of QoS adaptation decisions by dynamic control and reconfiguration of internal parameters and functionalities of a distributed multimedia application. The objective is to satisfy both system-wide properties (such as fairness among concurrent applications) and application-specific requirements (such as preserving the critical performance criteria).

Tags: Network Management		   
whitepaper QoS-Aware Middleware for Web Services Composition2008-01-01 IBM
  The paradigmatic shift from a Web of manual interactions to a Web of programmatic interactions driven by Web services is creating unprecedented opportunities for the formation of online Business-to-Business (B2B) collaborations. Since many available Web services provide overlapping or identical functionality, albeit with different Quality of Service (QoS), a choice needs to be made to determine which services are to participate in a given composite service. This paper presents a middleware platform which addresses the issue of selecting Web services for the purpose of their composition in a way that maximizes user satisfaction expressed as utility functions over QoS attributes, while satisfying the constraints set by the user and by the structure of the composite service.

Tags: Internet and Web, Network Management		   
whitepaper Integrated Adaptive QoS Management in Middleware: An Empirical Case Study2008-01-01 Washington University in St. Louis
  Distributed Real-time and Embedded (DRE) systems in which application requirements and environmental conditions may not be known a priori - or which may vary at run-time - can benefit from an adaptive approach to management of Quality-of-Service (QoS) to meet key constraints, such as end-to-end timeliness. This paper offers two contributions to the study of adaptive DRE computing systems, a case study of the integration of multiple middleware QoS management technologies to manage quality and timeliness of imagery adaptively within a representative DRE avionics system and empirical results and analysis of the impact of that integration on key trade-offs between timeliness and image quality in that system.

Tags: Network Management, Software Development Tools		   
whitepaper Resilient Trust Management for Web Service Integration2008-01-01 Georgia Institute of Technology
  In a distributed web service integration environment, the selection of web services should be based on their reputation and Quality-of-Service (QoS). Various trust models for web services have been proposed to evaluate the reputation of web services/service providers. This paper presents an attack resilient distributed trust management system in a web service management environment. The proposed attack resilient trust model uses two vectors to capture the behavior and the trustworthiness of a web service/service provider based on their analysis on the possible attacks against the trust models. They also present a set of experiments that show the effectiveness of their trust model in detecting malicious behavior of service providers.

Tags: Internet and Web		   
whitepaper The Speed Challenge: Mobility Starts at Home2007-11-20 Motorola
  Talk about putting your money where your mouth is. Motorola, a leading supplier of enterprise mobility solutions for the supply chain, utilizes the very same solutions it provides its customers in its own operations - bar code scanners, mobile computers, and wireless infrastructure. Supply chain mobility has given them full visibility into their extensive distribution operations, as well as industry leading accuracy, total control over inventory and increased customer satisfaction levels. With mobile technology in place, they take a Six Sigma approach to process improvement, utilizing the very same principles manufacturers use to trim waste from the production floor. Read this article to learn how they put mobility solutions in action at Motorola's McAllen, TX distribution center.

Tags: Mobile and Wireless, Network Management, Network Technologies, Mobile and Wireless		   
whitepaper Converged Optical and Wireless Networking - Challenges for Photonics and Electronics2008-01-01 Institute of Biocybernetics and Biomedical Engineering
  Fixed and mobile communications will continue to converge coming years. Amongst other, this is also a goal of the Next Generation Networking initiative adopted by The International Telecommunication Union for the 2005-2008 Study Period. While a general belief is the Internet will support the majority of services, it should be carefully noted to select and separate the services in the network is a necessary condition to assure the Quality of Service and security for the individual ones. This paper proposes to allocate different services with different kinds of traffic and QoS requirements to different wavelengths in a single wavelength-division multiplexed optical network in order do satisfy the requirements of the customer specific to particular service used.

Tags: Network Management, Mobile and Wireless		   
whitepaper Fair QoS-Aware Adaptive Routing and Wavelength Assignment in All-Optical Networks2008-01-01 University of Virginia
  In all-optical networks with no wavelength conversion, signals must travel on the same wavelength over possibly very long distances. During transmission, the QoS of signals as measured by their Bit Error Rates is degraded not only by the propagation through fibers, but also by small optical leaks from other signals called crosstalk that occur in the nodes and cannot be removed at the physical layer. This paper presents a set of Routing and Wavelength Assignment algorithms that mitigate the crosstalk effects on all-optical network operation.

Tags: LAN - WAN, Network Management		   
whitepaper Distributed QoS Compilation and Runtime Instantiation2008-01-01 University of Illinois
  The rapid growth and coexistence of different application domains, such as multimedia and electronic commerce, present a significant challenge to the provision of their Quality of Service (QoS). To solve this challenge, the author needed a unified QoS framework, which allows flexibility and reconfigurability. This paper presents a reconfigurable component-based QoS framework, called 2KQ, which solves the challenge by partitioning the end-to-end QoS setup process into distributed QoS compilation and runtime QoS instantiation phases for different types of applications. Entities, services and protocols of this framework, such as application-to-component translator and component-to-resources translators, achieve the distributed QoS compilation and prepare all necessary QoS structures for the end-to-end QoS setup.

Tags: Software Development Tools, Software Development Tools		   
whitepaper Overview of QoS Routing2008-01-01 Northwestern University
  QoS routing has been recognized as an important part in the evolution of QoS service offerings in the network. The goal of routing solutions is twofold: satisfying the QoS requirements for every admitted connection, and achieving global efficiency in resource utilization. This paper describes some of QoS-based routing issues and requirements, and presents different routing strategies, outlines Unicast and Multicast, intra and interdomain routing. Finally, the extensions to the OSPF protocol to support QoS routes are briefly described.

Tags: Network Management