Multimedia servers-design and performance

Ghafir, H.M.; Chadwick, H.

doi:10.1109/glocom.1994.512722

Cited by 16 publications

(3 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…All the video material is stored in a small number of centralized databases, called Video Servers or Video Libraries, characterized by high fault tolerance, high parallelism, and considerable storage capacity [13], [17], [19]- [21]. Each of these servers is controlled by a Level 2 Gateway, in charge of several service operation functions, such as billing, introduction of new video programs, privacy, and security [7], [8].…”

Section: Architectural Modelmentioning

confidence: 99%

The role of local storage in supporting video retrieval services on ATM networks

Bianchi

Melen

1997

IEEE/ACM Trans. Networking

View full text Add to dashboard Cite

This paper studies a reference network architecture for video information retrieval, based on hierarchical storage of the video segments and asynchronous transfer mode (ATM) transport capability on the long distance network. The storage associated to local switching nodes can be exploited in two complementary ways, either for caching the most requested video programs, and for decoupling the transmission speed on the long distance network from the natural playout speed of the video segments. We show that both approaches lead to a substantial increase of the load carried on the long distance network with a given service requirement. Moreover, we show that a greater efficiency is obtained when a suitable integration of the two approaches is considered.

show abstract

Section: Architectural Modelmentioning

confidence: 99%

The role of local storage in supporting video retrieval services on ATM networks

Bianchi

Melen

1997

IEEE/ACM Trans. Networking

View full text Add to dashboard Cite

show abstract

“…In the analysis external arrivals are modeled as Poisson for each protocol model while in the simulation this assumption is only used for user initiated external call arrivals at the B-SSP (Bafutto, 1994), (Willmann, 1990), (Smith, 1994), (Lekkou). For the B-VoD service we assume movies with a mean length of 110 minutes (Ghafir, 1994). Users either watch the whole movie (i.e.…”

Section: System Parametersmentioning

confidence: 99%

A study of Specialized Resource Function mapping alternatives for Integrated IN/B-ISDN architectures

Kolyvas

Polykalas

Venieris

1997

Intelligent Networks and Intelligence in Networks

View full text Add to dashboard Cite

The introduction of Intelligent Network (IN) functionality to broadband networks with conventional signalling systems allows the fast and future safe provision of advanced multimedia services. Since novel services will require intense interactions with the network resulting in the exchange of a high number of control messages, the distribution of IN functional entities to network elements becomes a dominant factor in the overall system performance. In this paper we analyze the functions required for an integrated INIB-ISDN architecture and develop a set of models for representing protocols and IN functional entities. Our purpose is to identify the system bottlenecks and to evaluate alternatives for functional to physical entity mapping that allow the most efficient operation of the system. Emphasis is given to the Specialized Resource Function entity location.

show abstract

“…At the video/media server, a suitable combination of distributed processor, fast interconnection network/bus, redundant arrays of independent disks (RAID) and high-speed, ATM-network interface hardware will generally be required to support a large number of simultaneous video channels. Architectures for video servers (Ghafir and Chadwick 1994;Hui et al 1995) are still evolving, and most will require new hardware modules and parallel processing to overcome existing performance bottlenecks. On the terminal side, current PC hardware is adequate for low-speed Standard Interchange Format (SIF) MPEG-1-type applications in the range of 1.5-4 Mbits/s, while typical UNIX workstations have I/O capabilities up to about 10 Mbits/s.…”

Section: System Architecture Considerationsmentioning

confidence: 99%

Video transport in ATM networks: a systems view

Raychaudhuri¹,

Reininger²,

Siracusa³

1996

Multimedia Systems

View full text Add to dashboard Cite

This paper presents a systems view of video transport issues in asynchronous transfer mode (ATM) networks. Since video is a critical component of future distributed multimedia applications, we consider technical approaches necessary to realize a flexible, robust, and efficient ATM framework for video delivery. The overall systemdesign problem is discussed for a general distributed multimedia computing scenario, and key video-related design issues are identified. This is followed by a more detailed discussion of selected ATM video topics, including: (1) variable bit-rate (VBR) statistical multiplexing and dynamic usage parameter control (VBR+), (2) ATM cell-loss concealment in MPEG decoders, and (3) new transport protocols ("MTP") for video and multimedia. Supporting simulation or experimental results from ongoing research are given where available.

show abstract

Multimedia servers-design and performance

Cited by 16 publications

References 5 publications

The role of local storage in supporting video retrieval services on ATM networks

The role of local storage in supporting video retrieval services on ATM networks

A study of Specialized Resource Function mapping alternatives for Integrated IN/B-ISDN architectures

Video transport in ATM networks: a systems view

Contact Info

Product

Resources

About