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2 edition of Supporting variable bit-rate streams in a scalable continuous media server. found in the catalog.

Supporting variable bit-rate streams in a scalable continuous media server.

Stergios Anastasiadis

Supporting variable bit-rate streams in a scalable continuous media server.

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Published .
Written in English


Edition Notes

Thesis (Ph.D.) -- University of Toronto, 2001.

The Physical Object
Pagination107 leaves.
Number of Pages107
ID Numbers
Open LibraryOL19017300M
ISBN 100612692736

  In summary, a media server must be able to support diverse performance objectives. The media server must be scalable to service a large number of clients but at the same time should meet the individual QoS requirements of those clients. Several schedulers have been proposed to address these issues that are discussed in the next section. 2 Cited by: The book includes CDN and media streaming basics, performance models, practical applications, and business analysis. It features industry case studies, CDN applications, and open research issues to aid practitioners and researchers, and a market analysis to provide a reference point for commercial entities.3/5(1). This rate may vary over time for streams that have been compressed with a variable bit rate (VBR) media encoder. VBR streams enhance the rendering quality, however they will generate bursty traffic on a packet switched network such as the Internet. This in .


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Supporting variable bit-rate streams in a scalable continuous media server. by Stergios Anastasiadis Download PDF EPUB FB2

Exedra has been designed to provide scalable and efficient support for variable bit-rate media streams whose compression efficiency leads to reduced storage space and bandwidth requirements in comparison to constant bit-rate streams of equivalent quality. Abstract Supporting Variable Bit-Rate Streams in a Scalable Continuous Media Server Stergios V.

Anastasiadis Doctor of Philosophy Graduate Department of. Most continuous media file servers have been designed for constant bit rate streams. We address the problem of building a server where each stream may have a different bit rate and, more importantly, where the bit rate within a single stream may vary considerably.

Such servers will be come increasingly more important because of Variable Bit Cited by: We describe the design and implementation of a file server for variable bit rate continuous media.

We address the problem of building a server where each stream may have a different bit rate and. Exedra has been designed to provide scalable and efficient support for variable bit-rate media streams whose compression efficiency leads to reduced storage space and bandwidth requirements in.

Anastasiadis, Stergios, Supporting Variable Bit-Rate Streams in a Scalable Continuous Media Server () [co-supervised with M. Stumm] Nguyen, Uyen Trang, Congestion Control for Multipoint Communications in ATM Networks () [co-supervised with I.

Katzela] Hai Wang, Concise and Accurate Data Summaries for Fast. nism to support variable bit-rate (VBR) media. Yima is also a complete end-to-end system that uses an IP network with several supportable client types.

This feature distinguishes it from previous research that focused heavily on server design. SYSTEM ARCHITECTURE Figure. industry’s standardizations for streaming continuous media over the Internet. Hence, each prototype has we needed to utilize and extend a working continuous media server to incorporate or REBECA [GKS95]), and 4) both variable and constant bit rate media types.

The main objective was not to complicate the code in order to squeeze the. Many of todays isochronous media streams are compressed at variable bit rates (VBR), for example according to the MPEG-4 industry standard. Yima supports the streaming of VBR media via a simple yet flexible flow control paradigm.

With this mechanism, the sender (server) does neither need to. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Variable bit-rate encoding of motion video has been shown to generate streams of consid-erably smaller size than constant bit-rate encoding of equivalent quality.

Therefore, efficient support for bit-rate variability in continuous media servers has the potential to significantly re-duce the requirements for disk. This book constitutes the refereed revised post-workshop proceedings of the 5th International Workshop on Network and Operating Systems Support for Digital Audio and Video, NOSSDAV '95, The design of a variable bit rate continuous media server.

Gerald. We describe and evaluate the implementation of a streaming media system called Yima, which consists of a scalable continuous media server and client components.

We report on the real-life experiences that we gained from streaming near NTSC quality video and audio to residential locations within a metropolitan by: Table of Contents for Scalable continuous media streaming systems: architecture, design, analysis and implementation / Jack Y.B.

Lee, available from the Library of Congress. Streaming Media Server Design by Ali E. Dashti, Seon Ho Kim, Cyrus Shahabi, Roger Zimmermann Get Streaming Media Server Design now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from + publishers. Our Multi-Threshold Flow Control (MTFC) algorithm allows the smoothing of variable bit-rate media transmissions without a priori knowledge of the actual bit-rate.

It improves resource utilization and can be applied to (a) live streams and (b) stored streams without requiring any server side pre-processing. Design and implementation of scalable continuous media servers. Variable bit-rate media Scheduling schemes of the previous Sections assume a constant bandwidth to display each object.

A class of compression techniques, termed variable bit-rate (VBR) encoding schemes, may result in bandwidth requirement that varies as a function of time Cited by: A media server having at least one of a stride-based storage device space allocation scheme, stride-based method of striping data across multiple storage devices for continuous media streaming, server-based smoothing of variable bit-rate streams, distributed architecture, and fault tolerance.

Optimal Coding Rate Control of Scalable and Multi Bit Rate Streaming Media Cheng Huang1, Philip A. Chou2, Anders Klemets2 1 Department of Computer Science and Engineering, Washington University in St. Louis, MO, 2 Microsoft Corporation, One Microsoft Way, Redmond, WA, [email protected], 2fpachou, [email protected] Technical ReportCited by: 8.

Scalable and fault-tolerant support for variable bit-rate data in the exedra streaming server. Stergios V. Anastasiadis, Kenneth C.

Sevcik, We describe the design and implementation of the Exedra continuous media server, and experimentally evaluate alternative resource management policies using a prototype system that we built. This book constitutes the refereed revised post-workshop proceedings of the 5th International Workshop on Network and Operating Systems Support for Digital Audio and Video, NOSSDAV '95, held in Durham, New Hampshire, USA in April The 24 full papers included were selected from a total of Adaptive Presentation and Scheduling of Media Streams on Parallel Storage Servers: /ch One way to implement adaptive software is to allocate resources dynamically during run-time rather than statically at design time.

Design of adaptive softwareAuthor: Constantinos Mourlas. Al-Marri and S. Ghandeharizadeh, “An evaluation of alternative disk scheduling techniques in support of variable bit rate continuous media,” in EDBT98, Valencia, Spain, March Google ScholarCited by: 9.

Introduction. Variable Bit Rate (VBR) video streams are estimated to be smaller (by 40% or more) than Constant Bit Rate (CBR) streams of comparable quality [10,13].Correspondingly, media servers supporting VBR streams can be expected to concurrently serve more users than their CBR counterparts, due to reduced requirements for disk space, disk bandwidth, buffer space, and network.

System, method, and computer program products for implementing techniques for efficient delivery of variable bit rate streaming media assets having a variety of data formats. An embodiment provides delivery system for use in client server computer architecture in which server provides streaming media assets to at least one client over computer network, wherein media assets can have plurality Cited by: USA1 US09/, USA USA1 US A1 US A1 US A1 US A US A US A US A1 US ACited by: Design, implementation and evaluation of a variable bit-rate continuous media file server: Creator: Makaroff, Dwight J.

Date Issued: Description: A Continuous Media File Server (CMFS) is a computer system that stores and retrieves data that is intended to be presented to a client application continuously over time. Perhaps the major technical problem in streaming media on demand over the Internet is the need to adapt to changing network conditions.

In this paper, we investigate the problem of coding rate control, or equivalently quality adaptation, in response to changing network conditions such as the onset of congestion. Using the theory of optimal [ ]Cited by: 8. Adaptive bitrate streaming is a technique used in streaming multimedia over computer in the past most video or audio streaming technologies utilized streaming protocols such as RTP with RTSP, today's adaptive streaming technologies are almost exclusively based on HTTP and designed to work efficiently over large distributed HTTP networks such as the Internet.

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): We report on the design, implementation and evaluation of a scalable real-time streaming architecture, termed Yima, that enable applications such as video-on-demand and distance learning on a large scale.

While Yima incorporates lessons learned from first generation research prototypes, it also complies with industry. According to our current on-line database, Stergios Anastasiadis has 2 students and 2 descendants. We welcome any additional information.

If you have additional information or corrections regarding this mathematician, please use the update submit students of this mathematician, please use the new data form, noting this mathematician's MGP ID of for the advisor ID.

Due to the real-time requirements and high resource demand of digital media, a video server must restrict the number of simultaneously serviced media streams. We consider the admission control problem in video servers for the retrieval of media data from secondary by: We are in the process of completing the design and implementation of our Yima streaming architecture, which consist of 1) a scalable, high performance, and real-time media server, 2) real-time network streaming paradigm and 3) several video and audio clients.

In addition, we are working on the design and implementation of GMeN (Global Media Network), a server-level distributed streaming. Variable bit-rate (VBR) encoding of video can considerably reduce the size of the generated media files when compared to constant bit-rate encoding of equivalent perceptual quality [18,22].

In addition, knowledge about the resource requirements of stored streams during transmission can be leveraged for better predicting access delays, and. Large-scale continuous media (CM) system implementations require scalable servers most likely built from clusters of storage nodes.

Across such nodes random data placement is an attractive alternative to the traditional round-robin striping. A Fast Start-up and Scalable Algorithm for Continuous Media Servers P Jayarekha1, A S Manjunatha2 the maximum number of continuous streams that can be supported by the drive and the considerable reduction in by a disk in a feasible media server.

The maximum number N of concurrent user requests that can be. 5×encoded bit rate = 50 • Divide media stream into short duration segments.

• Each segment is encoded at several bit rates. • Client-side adaptation between these encodings, to suit HTTP Server Push Scalable media delivery on the Web with HTTP Server Push. A video encoding system encodes video streams for multiple bit rate video streaming using an approach that permits the encoded bit rate to vary subject to a peak bit rate and average bit rate constraints for higher quality streams, while a bottom bit rate stream is encoded to achieve a constant chunk rate.

The video encoding system also dynamically decides an encoding resolution for segments Cited by: Variable bit-rate video streams are stored across multiple disks of the media server. Multiple clients can connect and start playback sessions via a high-speed network. The streams are compressed according to any encoding scheme (e.g.

MPEG-2) that supports streams of constant perceptual quality at variable Cited by: 4. Keywords: Continuous Media Delivery, Continuous Media Servers, Smoothing, Video on Demand 1.

Introduction Many multimedia applications, such as news-on-demand, distance learning, and corporate training, rely on the efficient transfer of pre-recorded or live multimedia streams between a server and a client. These media streams are. Systems and methods are described that support variable play speed control for media streams.

The variable play speed control for media streams discussed herein provides an end-to-end solution for media stream delivery, playback, and user interface that enables end users and software developers to dynamically control the playback speed of media streams without losing the ability to comprehend Cited by:.

Chapter MEDIA ON DEMAND AND LIVE BROADCAST demand. Section details how media data may be communicated in a system for live broadcast.

ARCHITECTURES, PROTOCOLS, AND FILE FORMATS In this section, we review the basic architectures of systems for streaming me­ dia on demand and live streaming, covering the roles of the encoder, media file, server, network, buffer, Cited by: Network and Operating Systems Support for Digital Audio and Video.

Summary: This book constitutes the refereed revised post-workshop proceedings of the 5th International Workshop on Network and Operating Systems Support for Digital Audio and Video, NOSSDAV '95, held in Durham, New Hampshire, USA in April The 24 full papers included were.Scalable and fault-tolerant support for variable bit-rate data in the exedra streaming server Stergios V.

Anastasiadis, Kenneth C. Sevcik, Michael Stumm. tos, 1(4):[doi].