Architectures of Multimedia Communication Subsystems
نویسندگان
چکیده
This paper analyzes the particular requirements that multimedia communication imposes on the network adapter and the I/O subsystem of a workstation. We show the drawbacks of current (parallel) communication subsystems and develop new architectural concepts applicable to multimedia communication subsystems. The key ideas are the separation of isochronous and asynchronous traffic, parallelism between sender and receiver, and the execution of per-byte operations in a hardware pipeline. We adapt these concepts to the design of a Gb/s adapter and to the design of a light-weight, slower speed adapter and present some scenarios for their application.
منابع مشابه
Interworking Architectures for IP Multimedia Subsystems
The future fourth generation wireless heterogeneous networks aim to integrate various wireless access technologies and to support the IMS (IP multimedia subsystem) sessions. In this paper, we propose the Loosely Coupled Satellite-Cellular-WiMAXWLAN (LCSCW2) and the Tightly Coupled SatelliteCellular-WiMAX-WLAN (TCSCW2) interworking architectures. The LCSCW2 and TCSCW2 architectures use the loose...
متن کاملModeling, Simulation, and Synthesis of High-performance Atm Protocols and Multimedia Systems
Emerging applications mostly require both high performance as well as support for a wide variety of communication services. For example, audio, video, and data transmission may require highly different services, e.g., guaranteed delay, jitter, or bandwidth. An additional challenge arises through the growing demand for multipoint communication services. ATM networks are capable of satisfying the...
متن کاملOptimizing the Communication Topology in a Coordinated Model Predictive Control Architecture
The design of control architectures for large-scale systems formed by the interconnection of several interacting subsystems is a challenging task. The interactions between the subsystems have a significant influence on the local control decisions as well as the overall system optimality and need to be accounted for explicitly. An increasingly popular technique to control such systems is the Coo...
متن کاملFormal Specification of Gateways in Integrated Architectures
Complex embedded computer systems can encompass multiple application subsystems, such as a multimedia, a powertrain, a comfort and a safety subsystem in the in-vehicle electronic system of a typical premium car. Information exchanges between these application subsystems are essential to realize composite services that involve more than one application subsystem and to reduce redundant computati...
متن کاملConfiguration Support for Flexible, Function-Based Communication Systems
The next generation of communication subsystems must support diverse applications (such as interactive voice and video conferencing, supercomputer visualization, collaborative work, and remote process control) operating over highperformance local, metropolitan, and wide area networks (such as FDDI, SMDS, and B-ISDN). This paper describes a framework that contains a number of resources, language...
متن کامل