This chapter deals with the problem of quality provisioning in business service-oriented environments, examining the resource selection process as an initial matching of the provided to the demanded QoS. It investigates how the application and resource characteristics affect the provided level of QoS, a relationship that intuitively exists but has not yet being mapped. To do so, it focuses on i...

Existing routing algorithms treat Quality of Service (QoS) parameters and secure routing as completely separate entities requiring separate algorithms. In this paper we propose secure QoS Distance Vector and secure Bellman-Ford-Moore routing algorithms that meet QoS requirements and satisfy security concerns. Security is achieved by placing filters in the network. The routing algorithms generat...

In a Quality of Service (QoS) aware communication system, a user is able to choose between various service classes, each with different reliability, predictability, and efficiency degrees. However, until now security has not been recognized as a parameter in QoS architectures and no security-related service classes have been defined. This implies that end-users have no chance of configuring the...

Emerging communication subsystems need to integrate support for an increasing variety of applications, such as audio, video, and conventional data traffic. These applications are characterized by highly different service requirements commonly expressed in terms of socalled quality of service parameters (QoS parameters). Most importantly, they require specialized end-to-end QoS support from the ...

We describe an approach to transport QoS in unreliable networks that focuses on tradeo s rather than guarantees. In particular, we investigate tradeo s between qualitative QoS parameters such as order and reliability, and quantitative parameters such as delay and throughput.

The Next Generation Wireless Networks (NGWN) will be heterogeneous in nature where the different Radio Access Technologies (RATs) operate together .The mobile terminals operating in this heterogeneous environment will have different QoS requirements to be handled by the system. These QoS requirements are determined by a set of QoS parameters. The radio resource management is one of the key chal...

A significant amount of research efforts have been done to improve the energy efficiency of wireless sensor network (WSN). However, not much has been done to optimize the Quality of Services (QoS) of WSN. Actually, energy efficiency should be jointly optimized with QoS to make WSN useful. In this paper, we develop an integrated adaptive wireless transmission system for WSN to meet the QoS requi...

Quality of service (QOS) of a choreography is dependent on the quality of service of participating roles. Recently, a proposal has been made to extend the meta model of WSDL to include QOS parameters. These parameters include reliability, availability and demand. In this paper we propose a multidimensional model of quality of service of a choreography based on above proposed extensions. Our pro...

In this paper, we describe an adaptive QOS mapping scheme where the QOS parameters of applications are mapped into resource requirements dynamically, and the resources for the applications are reserved based on the measured resource utilization. Real-Time Mach provides resource reservation facilities that are suitable for supporting the adaptive QOS mapping scheme, and we show the e ectiveness ...