Live video streaming is one of the newly emerged services over the Internet that has attracted immense interest of the service providers.Since Internet was not designed for such services during its inception,such a se...Live video streaming is one of the newly emerged services over the Internet that has attracted immense interest of the service providers.Since Internet was not designed for such services during its inception,such a service poses some serious challenges including cost and scalability.Peer-to-Peer(P2P)Internet Protocol Television(IPTV)is an application-level distributed paradigm to offer live video contents.In terms of ease of deployment,it has emerged as a serious alternative to client server,Content Delivery Network(CDN)and IP multicast solutions.Nevertheless,P2P approach has struggled to provide the desired streaming quality due to a number of issues.Stability of peers in a network is one of themajor issues among these.Most of the existing approaches address this issue through older-stable principle.This paper first extensively investigates the older-stable principle to observe its validity in different scenarios.It is observed that the older-stable principle does not hold in several of them.Then,it utilizes machine learning approach to predict the stability of peers.This work evaluates the accuracy of severalmachine learning algorithms over the prediction of stability,where the Gradient Boosting Regressor(GBR)out-performs other algorithms.Finally,this work presents a proof-of-concept simulation to compare the effectiveness of older-stable rule and machine learning-based predictions for the stabilization of the overlay.The results indicate that machine learning-based stability estimation significantly improves the system.展开更多
The development of IPTV is restricted by the bottleneck of I/O of the client/server mode. On the other hand,the development of P2P Internet TV has achieved great progress in China. P2P TV means to develop IPTV based o...The development of IPTV is restricted by the bottleneck of I/O of the client/server mode. On the other hand,the development of P2P Internet TV has achieved great progress in China. P2P TV means to develop IPTV based on the P2P Internet TV concept and technology. P2P IPTV is expected to be the top layer innovation and lead the development trend in the world.展开更多
近年来随着人们对娱乐的要求越来越高,宽带网络的用户越来越多,三网融合的趋势越来越强。首先是一些视频网站开始提供流媒体服务,并取得成功。IPTV的概念被提出,并越来越受到关注。但是IPTV发展过程中面对的问题也越来越多,而应用P2P技...近年来随着人们对娱乐的要求越来越高,宽带网络的用户越来越多,三网融合的趋势越来越强。首先是一些视频网站开始提供流媒体服务,并取得成功。IPTV的概念被提出,并越来越受到关注。但是IPTV发展过程中面对的问题也越来越多,而应用P2P技术的P2P Internet TV却在低的服务器性能和网络带宽要求下可以服务百万级并发用户流量,从而引出了P2PIPTV。展开更多
传统地在Internet上提供电视广播服务是采用Client/Server架构,但随着使用人数的增加Server负载日益增大,服务供应者必须负担的成本会越来越高。而IPTV是集宽带有线电视网、因特网、多媒体通讯等多种技术于一体提供包括数字电视在内的...传统地在Internet上提供电视广播服务是采用Client/Server架构,但随着使用人数的增加Server负载日益增大,服务供应者必须负担的成本会越来越高。而IPTV是集宽带有线电视网、因特网、多媒体通讯等多种技术于一体提供包括数字电视在内的多种交互式服务的一种崭新技术。随着Internet使用人数的增加,Client/Server架构所面临的问题日益严重,使得P2P(Peer to Peer)技术逐渐被重视。文章介绍了P2P技术的原理,将Client/ServerIPTV与P2P IPTV进行了性能上的比较,最后提出一种P2P IPTV的解决方案。展开更多
文摘Live video streaming is one of the newly emerged services over the Internet that has attracted immense interest of the service providers.Since Internet was not designed for such services during its inception,such a service poses some serious challenges including cost and scalability.Peer-to-Peer(P2P)Internet Protocol Television(IPTV)is an application-level distributed paradigm to offer live video contents.In terms of ease of deployment,it has emerged as a serious alternative to client server,Content Delivery Network(CDN)and IP multicast solutions.Nevertheless,P2P approach has struggled to provide the desired streaming quality due to a number of issues.Stability of peers in a network is one of themajor issues among these.Most of the existing approaches address this issue through older-stable principle.This paper first extensively investigates the older-stable principle to observe its validity in different scenarios.It is observed that the older-stable principle does not hold in several of them.Then,it utilizes machine learning approach to predict the stability of peers.This work evaluates the accuracy of severalmachine learning algorithms over the prediction of stability,where the Gradient Boosting Regressor(GBR)out-performs other algorithms.Finally,this work presents a proof-of-concept simulation to compare the effectiveness of older-stable rule and machine learning-based predictions for the stabilization of the overlay.The results indicate that machine learning-based stability estimation significantly improves the system.
文摘The development of IPTV is restricted by the bottleneck of I/O of the client/server mode. On the other hand,the development of P2P Internet TV has achieved great progress in China. P2P TV means to develop IPTV based on the P2P Internet TV concept and technology. P2P IPTV is expected to be the top layer innovation and lead the development trend in the world.
文摘近年来随着人们对娱乐的要求越来越高,宽带网络的用户越来越多,三网融合的趋势越来越强。首先是一些视频网站开始提供流媒体服务,并取得成功。IPTV的概念被提出,并越来越受到关注。但是IPTV发展过程中面对的问题也越来越多,而应用P2P技术的P2P Internet TV却在低的服务器性能和网络带宽要求下可以服务百万级并发用户流量,从而引出了P2PIPTV。
文摘传统地在Internet上提供电视广播服务是采用Client/Server架构,但随着使用人数的增加Server负载日益增大,服务供应者必须负担的成本会越来越高。而IPTV是集宽带有线电视网、因特网、多媒体通讯等多种技术于一体提供包括数字电视在内的多种交互式服务的一种崭新技术。随着Internet使用人数的增加,Client/Server架构所面临的问题日益严重,使得P2P(Peer to Peer)技术逐渐被重视。文章介绍了P2P技术的原理,将Client/ServerIPTV与P2P IPTV进行了性能上的比较,最后提出一种P2P IPTV的解决方案。
