نتایج جستجو برای: quality of services qos
تعداد نتایج: 21232303 فیلتر نتایج به سال:
Even though broadband high speed Internet service has been always attractive choice to Internet users, its deployment has not been very successful. Until very recently most broadband access providers offer a single quality level and price. We propose a definition of Quality of Service (QoS) in a broadband network, present a measurement of the proposed QoS, and discuss its implementability. Furt...
designing wireless sensor networks should meet appropriate parameters such as quality of service (qos) defined by different users. the variable physical conditions of the environment, processing and transmission power limitations and limited communication capabilities are the most important obstacles that influence qos parameters such as throughput, delay, reliability and network lifetime. the ...
Cloud Computing is a promising computing paradigm that provides flexible, Internet-accessible resources allocation on demand on a pay-as-you-go basis. With the growth and expansion of Cloud services and participation of various services providers, the description of quality parameters and measurement units started to diverse and sometimes contradict. Such ambiguity does not only result in the r...
In this era of Cloud Computing and Service Architecture, it is expected that web services will proliferate the current market and business will expose their web service’s as B2B, C2B, E2E and C2C service componets, many web services offer the similar services, and the clients application will demand more value added services and informative services rather than those offered by single entity ,o...
-------------------------------------------------------ABSTRACT------------------------------------------------------------In this era of Cloud Computing and Service Architecture, it is expected that web services will proliferate the current market and business will expose their web services as B2B, C2B, E2E and C2C service componets, many web services offer the similar services, and the clien...
Service-Oriented Computing (SOC) increasingly gains momentum in academia and industry as a means to develop adaptive distributed software applications in a loosely coupled way. Software services, as the main entities in SOC, have some distinct properties such as platformindependence or a uniform interface description enabling an easier integration and use within and across organizational bounda...
The increasing number of functionally similar services requires the existence of a non-functional properties selection process based on the Quality of Service (QoS). Thus, in this article, authors focus on the provision of a QoS model, an architecture and an implementation which enhance the selection process by the annotation of Service Level Agreement (SLA) templates with semantic QoS metrics....
Nowadays, Value Added Web Services (VAWS) are becoming a hot spot for web services providers. Quality of Service (QoS) support in VAWS is an important issue. The need for providing and assuring an acceptable level of QoS is the objective of most of service providers. Service providers compete in satisfying requirements of potential clients by providing QoS support of VAWS. In this work, we prop...
Quality-of-Service (QoS) in Web services considers a service’s nonfunctional characteristics during service specification, discovery, and composition. In order to encourage the development of QoS-aware Web services, we first develop a QoS-aware model, which contains a common set of QoS attributes including response time, throughput, reliability, availability and price etc. Then, based on the at...
-Web Services are emerging technologies that enable application to application communication and reuse of services over Web. Semantic Web improves the quality of existing tasks, including Web services discovery, invocation, composition, monitoring, and recovery through describing Web services capabilities and content in a computer interpretable language. To provide most of the requested Web ser...
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