PTV is a colection of new services that arebased on IP transport technology.It usesTVas the me dia terminal,and mainly focuson interactive audio-vide o services.It has been a fbcus for fixed networkoperators to de vel...PTV is a colection of new services that arebased on IP transport technology.It usesTVas the me dia terminal,and mainly focuson interactive audio-vide o services.It has been a fbcus for fixed networkoperators to de velop IPIV services,which helpacce lerate the broadband network de velopment,improve Asymmetrical Digital Subs criber Line(ADSL)service subs cription,increase ARPUvalues,and rais e operation revenues.ZIE has released its IPTV system ZXIIV tomeet the demands of the market.It providesfixed network operators with a powerfiul technicalsupport to the PTV service operation.展开更多
With the rapid development of Peer-to-Peer(P2P) technology,IPTV applications based on that have received more and more attention from both industry and academia. Several applications using the data-driven mesh-pull ar...With the rapid development of Peer-to-Peer(P2P) technology,IPTV applications based on that have received more and more attention from both industry and academia. Several applications using the data-driven mesh-pull architectures raised and gained great success commercially. At present,PPLive system is one of the most popular instances of IPTV applications which attract a large number of users from across the globe. At the same time,however,the dramatic rise in popularity makes it more likely to become a vulnerable target. In this paper,we propose an effective measurement architecture,which is based on the peer's nature not only receiving polluted video chunks but also forwarding those to other peers,to measure the video streaming pollution attack and then use a dedicated crawler of PPLive developed by us to evaluate the impact of pollution in P2P live streaming. Specifically,the results show that a single polluter is capable of compromising all the system and its destructiveness is severe.展开更多
Delivering IPTV services entails a complex integration of a variety of industries as well as the support of network,computer,and image processing technologies.That is to say,the IPTV architecture should carry a myriad...Delivering IPTV services entails a complex integration of a variety of industries as well as the support of network,computer,and image processing technologies.That is to say,the IPTV architecture should carry a myriad of services and technologies.In light of current telecom/TV status,the IPTV architecture can be set up on the convergence of the three networks to deliver comprehensive services and make Live TV,TV on Demand(TVOD),and Time-shifted TV services accessible on one platform.It also supports local and cross-regional user and service certification,provides EPG and smooth TV images and guarantees secured content as well.展开更多
文摘PTV is a colection of new services that arebased on IP transport technology.It usesTVas the me dia terminal,and mainly focuson interactive audio-vide o services.It has been a fbcus for fixed networkoperators to de velop IPIV services,which helpacce lerate the broadband network de velopment,improve Asymmetrical Digital Subs criber Line(ADSL)service subs cription,increase ARPUvalues,and rais e operation revenues.ZIE has released its IPTV system ZXIIV tomeet the demands of the market.It providesfixed network operators with a powerfiul technicalsupport to the PTV service operation.
基金supported by the National 973 Key Basic Research Program under grant JG2008031
文摘With the rapid development of Peer-to-Peer(P2P) technology,IPTV applications based on that have received more and more attention from both industry and academia. Several applications using the data-driven mesh-pull architectures raised and gained great success commercially. At present,PPLive system is one of the most popular instances of IPTV applications which attract a large number of users from across the globe. At the same time,however,the dramatic rise in popularity makes it more likely to become a vulnerable target. In this paper,we propose an effective measurement architecture,which is based on the peer's nature not only receiving polluted video chunks but also forwarding those to other peers,to measure the video streaming pollution attack and then use a dedicated crawler of PPLive developed by us to evaluate the impact of pollution in P2P live streaming. Specifically,the results show that a single polluter is capable of compromising all the system and its destructiveness is severe.
文摘Delivering IPTV services entails a complex integration of a variety of industries as well as the support of network,computer,and image processing technologies.That is to say,the IPTV architecture should carry a myriad of services and technologies.In light of current telecom/TV status,the IPTV architecture can be set up on the convergence of the three networks to deliver comprehensive services and make Live TV,TV on Demand(TVOD),and Time-shifted TV services accessible on one platform.It also supports local and cross-regional user and service certification,provides EPG and smooth TV images and guarantees secured content as well.
