The vision of future information systems is that diierent forms of information are potentially accessible at anytime through the Internet. We describe challenges in the modeling and speciication of timing related multimedia (MM) services in open distributed systems. Management of multimediaservices in an open system is complicated by the heterogeneity of application requirements, multimedia inf...

A multihop wireless ad hoc network consists of a number of nodes that form a dynamic topology with ad hoc wireless links among neighboring nodes. These nodes are typically limited in resources such as bandwidth, computation power, memory, and battery. Quality of Service (QoS) is usually defined as a set of service requirements that need to be met by the network while transporting a packet strea...

The value of commercial Service-Based Applications (SBAs) will depend not only on their functionality, but also on the value of their non-functional properties, known as QoS attributes, that are not tied to a specific functionality, but rather to its delivery features. QoS values may vary according to the provision strategies of providers as well as users’ requirements expressed as global const...

Workflow management system, a technique that manages different types of processes/jobs gathered as a workflow, ensures that each task in the workflow is accomplished to proceed further. When the process happens between two parties, the client and the server, a binding agreement or contract is defined specifying the Quality of Service (QoS) metrics such as products/services to be delivered, the ...

The rapid advancement in wireless over wired has augmented the need for improving theQuality of Service (QoS) over such wireless links. However, the wireless ad hoc networkshave too low bandwidth, and establishing a QoS in these networks is a difficult issue. So,support of quality of service in ad hoc networks is the topical issue among the networkscience researchers. In this research we are go...

WE take great pleasure in introducing this special section on aQuality of Service Issues in Internet Web Serviceso to the readership of the IEEE Transactions on Computers. This special section is comprised of seven papers, spanning caching, prefetching, replication, admission control, and router scheduling. The topics covered include theoretical and implementation aspects of provisioning qualit...

Service-Oriented Architecture (SOA) provides a flexible framework for web service composition. Using standard based protocols (such as SOAP and WSDL), composite services can be constructed by integrating atomic services developed independently. For each service in the composition, many service providers can offer the same function but may have different non-functional attributes (i.e. security,...

Due to the rapid growth of Internet Things (IoT), applications such as Augmented Reality (AR)/Virtual (VR), higher resolution media stream, automatic vehicle driving, smart environment and intelligent e-health applications, increasing demands for high data rates, bandwidth, low latency, quality services are every day (QoS). The management network resources IoT service provisioning is a major is...

Service level agreement (SLA) is a powerful tool to formalize the negotiation and agreement between the service provider and service seeker with the scope of service quality characteristics, compensations and tariffs. The service quality description is the main part of a SLA which can be characterized by the use of suitable and feasible quality of service (QoS) parameters. Determining suitable ...

There is a challenge for optimised Quality of Service (QoS) support of multicast services in mobile IPv6 infrastructures based on heterogeneous wireless networks. Efficient technologies are required able to support: Seamless handover and “Optimal” decisions for selection of access networks for mobile services, according application and network QoS criteria. To ensure seamless operation of multi...