Method and Implementation of Real-Time Multimedia streaming in MOSP
Date Issued
2008
Date
2008
Author(s)
Hsu, Di-Tang
Abstract
MOSP (Mesh Object Service Protocol) is a developing project for establishing a new distri- buted network protocol and environment, which supports object-oriented structure. After success- fully connecting on MOSP network, users can access different services on remote servers over In- ternet via MOSP protocol. Large amount of data transmission is needed for multimedia applications, in which case we use streaming technique to accomplish the goal for real-time transmission. A primary adopted standard of streaming is RTP, Real-time Transport Protocol, which can be built on top of UDP or TCP protocol. UDP protocol provides convenience in timely transmission with many other restricts like additional awareness of congestion control and firewall configuration. With these restrictions plus MOSP be a TCP-based protocol, we’re trying to establish a TCP-based streaming technique efficiently, under drawbacks of TCP in case of delay for real-time applications.n this thesis, we proposed a smart server / simple client architecture, reducing or increasing data transmission rate accordingly on server side with feedbacks from clients or TCP layer, in order to reduce the amount of delay to fit in various network bandwidth conditions. Parameters we put into consideration for transmission decision include the delay of each transmission, current avai- lable bandwidth, average bandwidth, current source data rate, average source data rate, current data amount and size accumulated in server buffer, for maximizing the amount of data transmission and minimizing the delay and latency of streaming service, under limited network bandwidth.
Subjects
Distributed System
Object Oriented
Real-time Streaming
TCP-based Streaming
Server-side Selective Drop Transmission
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