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ITP: AN IMAGE TRANSPORT PROTOCOL FOR THE INTERNET
Abstract:
Images account for a significant and growing fraction of Web downloads. The traditional approach to transporting images uses TCP, but this is overly restrictive for image data. Our analysis shows that the in-order delivery abstraction provided by a TCP-based approach prevents the receiver application from processing and rendering portions of an image when they actually arrive. Thus an image is rendered in bursts interspersed with long idle times rather than smoothly. This paper describes the design, implementation and evaluation of an image transport protocol (ITP) for image transmission over loss-prone congested or wireless networks. ITP improves user-perceived latency using application-level framing (ALF) and out-of-order application data unit (ADU) delivery, achieving significantly better interactive performance as measured by the evolution of peak signal-to-noise ratio (PSNR) with time at the receiver. ITP runs over UDP, incorporates receiver-driven selective reliability, uses a congestion manager (CM) to adapt to network congestion and is customizable for specific image formats (e.g., JPEG and JPEG2000). ITP enables a variety of new receiver post-processing algorithms such as error concealment that further improve the interactivity and responsiveness of reconstructed images. Performance experiments across a variety of loss conditions demonstrate the benefits of ITP in improving the interactivity of image downloads at the receiver.
Chapter one
Introduction
Background of the study
Statement of the problem
Purpose of the study
Significance of the study
Limitation of the study
Chapter two
Review of literature
Chapter three
Research design and methodology
Sources of data
Location of data
Method of investigation
Chapter four
Findings
Chapter five
Recommendation and conclusion
BIBLIOGRAPHY.
CHAPTER ONE
INTRODUCTION