CN102833591B - 交互式网络电视系统中点播服务不中断的方法及装置 - Google Patents

交互式网络电视系统中点播服务不中断的方法及装置 Download PDF

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CN102833591B
CN102833591B CN201210281753.5A CN201210281753A CN102833591B CN 102833591 B CN102833591 B CN 102833591B CN 201210281753 A CN201210281753 A CN 201210281753A CN 102833591 B CN102833591 B CN 102833591B
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CN102833591A (zh
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丁向军
郑晓华
夏洪升
戴川
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ZTE Corp
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
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    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2002—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant
    • G06F11/2005—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant using redundant communication controllers
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    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
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    • H04N21/2404—Monitoring of server processing errors or hardware failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
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    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44227—Monitoring of local network, e.g. connection or bandwidth variations; Detecting new devices in the local network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
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    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/64—Addressing
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    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
    • H04N21/64723—Monitoring of network processes or resources, e.g. monitoring of network load
    • H04N21/6473—Monitoring network processes errors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests

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Abstract

本发明公开了一种交互式网络电视IPTV系统中点播服务不中断的方法及装置，其中方法包括：当探测到媒体存储分发单元有以太网口发生故障时，将故障以太网口的IP地址浮动到正常以太网口上；选择所有占用该故障以太网口的工作态业务数据区，将其对应的媒体码流切换到正常以太网口上进行传输；本发明可使在有以太网口发生故障的时候，让在该以太网口上的业务平稳转移到其他以太网口上去，不中断的继续进行点播业务的服务。

Description

交互式网络电视系统中点播服务不中断的方法及装置
技术领域
本发明涉及通信技术领域，尤其涉及一种交互式网络电视系统中点播服务不中断的方法及装置。
背景技术
点播是IPTV（Internet Protocol Television,交互式网络电视）业务的一种基本业务形式，用户按需要选择音视频流播放，是一种点对点的播放。它把播放内容的选择权交给了用户，极大地满足了用户的个性化需求，是完全有别于传统电视的崭新业务形式。
如图1所示，图1为现有IPTV点播时基本的媒体流框架示意图。当用户通过STB（Set Top Box，机顶盒）点播节目时，CDN（Content Delivery Network，内容分发网络）会通过媒体存储分发单元将对应片源的内容进行媒体格式打包，然后通过不同的网口ethx/ethy(对应的ip地址分别为ip1和ip2,且ip1!=ip2)发送到交换单元1或者交换单元2，然后经由外部承载网发送到不同的机顶盒。
但是一旦媒体存储分发单元的以太网口（例如ethx）出现故障时（比如down掉），那么在该网口上对外服务的点播用户所观看的码流就会立刻断掉，用户的STB也就收不到码流，从而出现点播业务黑屏的情况，影响用户的体验和满意度。
发明内容
鉴于上述的分析，本发明旨在提供一种交互式网络电视系统中点播服务不中断的方法，用以解决现有技术中由于以太网口出现故障所带来的码流立刻中断的问题。
本发明的目的主要是通过以下技术方案实现的：
本发明提供了一种交互式网络电视IPTV系统中点播服务不中断的方法，包括：
当探测到媒体存储分发单元有以太网口发生故障时，将故障以太网口的IP地址浮动到正常以太网口上；
选择所有占用该故障以太网口的工作态业务数据区，将其对应的媒体码流切换到正常以太网口上进行传输。
进一步地，还包括：
当探测到该故障以太网口恢复正常时，将所有占用该故障以太网口的工作态业务数据区对应的媒体码流重新切回到该故障以太网口上进行传输。
即，当该故障以太网口恢复正常时，遍历当前所有占用该正常以太网口的工作态业务数据区，将其中原本占用该故障以太网口的工作态业务数据区对应的码流重新切回到该故障以太网口上进行传输。
本发明还提供了一种交互式网络电视IPTV系统中点播服务不中断的装置，包括：监测模块和切换模块，其中，
所述监测模块，用于当探测到媒体存储分发单元有以太网口发生故障时，将故障以太网口的IP地址浮动到正常以太网口上，并触发切换模块；
所述切换模块，用于选择所有占用该故障以太网口的工作态业务数据区，将其对应的媒体码流切换到正常以太网口上进行传输。
进一步地，当所述监测模块发现该故障以太网口恢复正常时，所述切换模块还用于，将所有占用该故障以太网口的工作态业务数据区对应的媒体码流重新切回到该故障以太网口上进行传输。
进一步地，所述切换模块具体用于，遍历当前所有占用该正常以太网口的工作态业务数据区，将其中原本占用该故障以太网口的工作态业务数据区对应的码流重新切回到该故障以太网口上进行传输。
本发明有益效果如下：
本发明可使在有以太网口发生故障的时候，让在该以太网口上的业务平稳转移到其他以太网口上去，不中断的继续进行点播业务的服务。
本发明的其他特征和优点将在随后的说明书中阐述，并且，部分的从说明书中变得显而易见，或者通过实施本发明而了解。本发明的目的和其他优点可通过在所写的说明书、权利要求书、以及附图中所特别指出的结构来实现和获得。
附图说明
图1为现有技术中，IPTV点播时基本的媒体流框架示意图；
图2为本发明中，方法实施例的流程示意图；
图3为本发明中，多用户媒体从不同的网口观看点播业务时的场景示意图；
图4为本发明中，正常观看点播业务期间网口ethx出现故障时的场景示意图；
图5为本发明中，图4故障场景下，实现IPTV系统中点播服务不中断的方法流程示意图；
图6为本发明中，装置实施例的结构示意图。
具体实施方式
下面结合附图来具体描述本发明的优选实施例，其中，附图构成本申请一部分，并与本发明的实施例一起用于阐释本发明的原理。
首先结合附图2和3对本发明优选的方法实施例进行详细说明。
如图2所示，图2为本发明所述方法实施例的流程示意图，具体可以包括：
步骤201：当探测到媒体存储分发单元有以太网口发生故障时，将故障以太网口的IP浮动到正常以太网口上；
步骤202：选择所有占用该故障以太网口的工作态业务数据区，将其对应的媒体码流切换到正常以太网口上进行传输；
步骤203：当探测到该故障以太网口恢复正常时，将所有占用该故障以太网口的工作态业务数据区对应的媒体码流重新切回到该故障以太网口上进行传输。
为了便于理解本发明，下面将结合一个具体的应用场景对本发明实施例所述方法进一步说明。
如图3所示，图3为多用户媒体从不同的网口观看点播业务时的场景示意图，其中，以太网口ethx对应的IP地址为ip_x，以太网口ethy对应的IP地址为ip_y；ip_x上有三个用户，ip_y上有两个用户；这个五个用户都在正常观看点播业务。
如图4所示，图4为正常观看点播业务期间网口ethx出现故障（比如down掉）时的场景示意图。
如图5所示，图5为图4故障场景下，实现IPTV系统中点播服务不中断的方法流程示意图，具体包括：
步骤501：当探测到ethx down掉时，将ethx上对应的ip_x浮动到处于正常工作的以太网口上-比如ethy上，此时以太网口ethy上相当于配置了两个ip,分别为ip_x和ip_y；
步骤502：遍历媒体分发单元的业务数据区，将其中占用故障网口ethx(ip_x)的工作态业务数据区一一选择出来；
步骤503：进行媒体输出端的切换，将占用故障网口ethx(ip_x)的工作态业务数据区对应的媒体码流切换到正常以太网口ethy上进行传输，这样，媒体码流就可以通过以太网口ethy继续进行媒体报文的发送，实现了媒体流的无缝切换；
步骤504：当以太网口ethx网口恢复正常时，例如由down状态重新变为up状态时，需要遍历所有占用以太网口ethy的工作态业务数据区，探测到其中有的工作态数据区原来是在以太网口ethx上进行传输的；
步骤505：再次进行媒体输出端切换，将原本由于以太网口ethx故障从以太网口ethx切换到以太网口ethy的再次切回到ethx上，这样原来占用以太网口ethx的工作态业务数据区对应的码流就可以重新通过以太网口ethx上进行传输，从而保持两个交换单元的流量均衡。
接下来结合附图6对本发明优选的装置实施例进行详细说明。
如图6所示，图6为本发明实施例所述装置的结构示意图，具体可以包括：监测模块61和切换模块62，其中，
监测模块61，用于当探测到媒体存储分发单元有以太网口发生故障时，将故障以太网口的IP地址浮动到正常以太网口上，并触发切换模块62；
切换模块62，用于选择所有占用该故障以太网口的工作态业务数据区，将其对应的媒体码流切换到正常以太网口上进行传输；当监测模块61发现该故障以太网口恢复正常时，该切换模块62还将所有占用该故障以太网口的工作态业务数据区对应的媒体码流重新切回到该故障以太网口上进行传输；具体的说就是，当监测模块61发现该故障以太网口恢复正常时，该切换模块62遍历当前所有占用该正常以太网口的工作态业务数据区，将其中原本占用该故障以太网口的工作态业务数据区对应的码流重新切回到该故障以太网口上进行传输。
需要说明的是，对于上述装置的具体实现过程，由于在以上方法实施例中已有详细说明，故此处不再赘述。
综上所述，本发明实施例提供了一种IPTV系统中点播服务不中断的方法及装置，可使在有以太网口发生故障的时候，让在该以太网口上的业务平稳转移到其他以太网口上去，不中断的继续进行点播业务的服务，让用户感觉不到出现的网口故障，从而提升用户的满意度和体验度。并且，当探测到该故障以太网口恢复正常时，将所有占用该故障以太网口的工作态业务数据区对应的媒体码流重新切回到该故障以太网口上进行传输，从而可以达到均衡媒体流的作用。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求书的保护范围为准。

Claims (4)

1.一种交互式网络电视IPTV系统中点播服务不中断的方法，其特征在于，包括：
当探测到媒体存储分发单元有以太网口发生故障时，将故障以太网口的IP地址浮动到正常以太网口上；
选择所有占用该故障以太网口的工作态业务数据区，将其对应的媒体码流切换到正常以太网口上进行传输；
当探测到该故障以太网口恢复正常时，将所有占用该故障以太网口的工作态业务数据区对应的媒体码流重新切回到该故障以太网口上进行传输。
2.根据权利要求1所述的方法，其特征在于，具体包括：
当该故障以太网口恢复正常时，遍历当前所有占用该正常以太网口的工作态业务数据区，将其中原本占用该故障以太网口的工作态业务数据区对应的码流重新切回到该故障以太网口上进行传输。
3.一种网络协定电视IPTV系统中点播服务不中断的装置，其特征在于，包括：监测模块和切换模块，其中，
所述监测模块，用于当探测到媒体存储分发单元有以太网口发生故障时，将故障以太网口的IP地址浮动到正常以太网口上，并触发切换模块；
所述切换模块，用于选择所有占用该故障以太网口的工作态业务数据区，将其对应的媒体码流切换到正常以太网口上进行传输；
当所述监测模块发现该故障以太网口恢复正常时，所述切换模块还用于，将所有占用该故障以太网口的工作态业务数据区对应的媒体码流重新切回到该故障以太网口上进行传输。
4.根据权利要求3所述的装置，其特征在于，所述切换模块具体用于，遍历当前所有占用该正常以太网口的工作态业务数据区，将其中原本占用该故障以太网口的工作态业务数据区对应的码流重新切回到该故障以太网口上进行传输。
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