CN101594260B - Iptv video quality monitoring system - Google Patents

Iptv video quality monitoring system Download PDF

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Publication number
CN101594260B
CN101594260B CN2008100434217A CN200810043421A CN101594260B CN 101594260 B CN101594260 B CN 101594260B CN 2008100434217 A CN2008100434217 A CN 2008100434217A CN 200810043421 A CN200810043421 A CN 200810043421A CN 101594260 B CN101594260 B CN 101594260B
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video
server
data
monitoring point
alarm
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CN101594260A (en
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吴之艳
陈晓新
王盛
杨笑天
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Nokia Shanghai Bell Co Ltd
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Alcatel Lucent Shanghai Bell Co Ltd
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Abstract

The present invention discloses an IPTV video quality monitoring system adopting a distributed framework and consisting of a monitoring layer, a convergence layer and a network management platform. The monitoring layer consists of a plurality of monitoring points, and each monitoring point collects and analyzes video flow data, respectively transmits the video flow data to the convergence layer through an index data flow and a warning data flow after acquiring video quality indexes and warning information and saves the video data corresponding to a warning. The convergence layer receives and summarizes the video quality indexes and the warning information reported by the monitoring points, then respectively transmits the indexes and the warning information to the network management platform through the index data flow and the warning data flow and is responsible for resolving and executing a command issued by the network management platform. The network management platform receives a video quality index in real time, compresses a history performance index in fixed time and receives the warning information. The invention can conveniently monitor the video flow quality output by an IPTV service platform and transmitted by a supporting network in real time without reconstructing IPTV and metropolitan area networks.

Description

The IPTV video quality monitoring system
Technical field
The present invention relates to the digital information transmission field, particularly relate to a kind of IPTV video quality monitoring system.
Background technology
IPTV (interaction personal TV) is an infrastructure of utilizing broadband network, with domestic television set (or computer) as main terminal equipment, integrate multiple technologies such as the Internet, multimedia, communication, the brand-new technology of multiple interactive digital media services is provided to the domestic consumer by internet network agreement (IP).In integrating TV and network two large propagation vections, IPTV both kept television image intuitively, lively characteristicness flexibly, having had the interaction feature that the Internet obtains as required again, is comprehensive two kinds of communication media advantages and a kind of new mode of propagation that produces.
The characteristics of IPTV are: really realized interaction; The more audio visual effect of high-quality can be provided; Can carry the platform of a lot of services; Saved the network bandwidth, potential user's quantity is big; Radio and TV industry, telecommunications industry and three fields of computer industry are merged.
RFC 4445 MDI are designated the transmission quality index of IP video flowing: MDI-DF, MDI-MLR.Wherein, the delay and jitter situation of the tested video flowing of DF (Delay Factor delay factor) expression, unit is a millisecond (ms).The variation that DF shakes video flowing is scaled the demand to video transmission and decoding device buffering.Tested video flowing shake is big more, and the DF value is big more.When the video content time that the buffering area of the network equipment and decoder holds is not less than tested video flowing DF reading, will the decline of video playing quality can not appear.Because network node need distribute the buffering that is not less than the DF value to be used for the smoothed video dither flow, so the maximum of DF is the minimum delay that video content passes through this network node.
The transmission packet loss speed of the tested video flowing of MLR (Media Loss Rate medium packet loss speed) expression, unit is that the medium package of per second is lost quantity.Because the package of video information is lost and will directly be influenced video playing quality, desirable IP video flowing transmission requirement MLR numerical value is zero.Because concrete video playback apparatus can compensate in video decode packet loss or packet loss retransmits, the threshold value of MLR can correspondingly be adjusted in the reality test.
The many testing equipment release IPTV of manufacturer video quality test instrumentations are arranged at present, comprise IneoQuest and JDSU company.In general, existing test instrumentation can only provide the data test of single isolated node, lacks the complete link monitoring function of multicast, also lacks the monitoring function of clean culture video quality.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of IPTV video quality monitoring system, and it need not IPTV and metropolitan area network are transformed, and just can realize easily the video flow quality of output of IPTV business platform and bearer network transmission is monitored in real time.
For solving the problems of the technologies described above, IPTV video quality monitoring system of the present invention adopts distributed structure/architecture, is made up of monitor layer, convergence-level and network management platform;
Described monitor layer is made up of a plurality of monitoring points, each monitoring point realizes video stream data is gathered and analyzed, after obtaining video quality index and warning message, spread with achievement data stream and alarm data respectively and give convergence-level, and preserve the corresponding video data of alarm;
Described convergence-level comprises control centre's server, reviews media server, command process server and video storage magnetic battle array, described control centre server is to the corresponding video data of video storage magnetic battle array input alarm, and video data that video storage magnetic battle array storage alarm is corresponding and the real-time monitor video media file of clean culture are for reviewing the media server playback; Video quality index and warning message that described control centre server reception monitoring point reports also gather, and the form that flows with achievement data stream and alarm data respectively sends network management platform to then; The described media server of reviewing provides the corresponding video data of alarm and the playback of the real-time monitor video media file of clean culture, and must realize the video data of the alarm correspondence recorded and the former state playback of the real-time monitor video media file of clean culture, guarantee that the player reception is identical with the data transmission quality of recording at that time; Described command process server is responsible for resolving the order that the execution network management platform issues;
Described network management platform comprises WEB application server, index reception server, alarm interface server and database server; Described WEB application server provides interactive interface to show; Described index reception server receives the video quality index that control centre's server gathers in real time, and regularly carries out the compression of historical performance index; Described alarm interface server receives the warning message after control centre's server gathers, and directly sends to the WEB application server by alarm interface, deposits database server simultaneously in.
The present invention is based on the monitoring of realization video quality is gathered, filters and analyzed to the IPTV video data stream.It need not IPTV and metropolitan area network are transformed, and by Port Mirroring or beam split mode, just can realize the real-time monitoring of the video flow quality of output of IPTV business platform and bearer network transmission easily.
Beneficial effect of the present invention also is embodied in:
1, utilizes the big flow video stream data of generic server Treatment Analysis, calculate every index of video stream data in real time.
2, realize the quality-monitoring of the complete route of multicast, represent real-time video quality fluctuation situation, realize fault location easily by centralized network management platform unification.
3, adopt general-purpose interface machine mode, reduce the degree of coupling between data collection and analysis software and the network management platform, the data-interface agreement of definition standard, the ability of other manufacturer's acquisition instruments of reservation system docking.
4, network management platform adopts JAVA web start technology, can start and executive utility (not being applet) from Web (webpage) page, and it is mutual to need not Any user, the simple and easy method of a Click to Activate application program is provided, and guarantee the latest edition run application all the time, thereby can avoid complex installation or escalation process.
Description of drawings
The present invention is further detailed explanation below in conjunction with accompanying drawing and embodiment:
Fig. 1 is that the one embodiment of the present invention module connects the framework schematic diagram;
Fig. 2 is the network design schematic diagram of monitoring point in the IPTV video quality monitoring system of the present invention.
Embodiment
Referring to shown in Figure 1, IPTV video quality monitoring system of the present invention adopts distributed structure/architecture, is made up of monitor layer, convergence-level and network management platform.
Described monitor layer is made up of a plurality of monitoring points, each monitoring point realizes video stream data is gathered and analyzed, and the video quality index that will obtain after will analyzing and warning message send convergence-level to the form of achievement data stream and alarm data stream respectively, and preserve the video data of alarm correspondence.
Each monitoring point comprises data of monitoring point acquisition server and data of monitoring point Analysis server.Wherein, the data of monitoring point acquisition server is gathered video stream data, and the data of monitoring point Analysis server is analyzed the video stream data of being gathered, and calculates every video quality index, realize uploading of video quality index and warning message, and preserve the corresponding video data of alarm.Described data of monitoring point acquisition server and data of monitoring point Analysis server can merge according to deployment request, realize the function that two servers of former cause are realized respectively by a monitoring point server.
Described convergence-level comprises control centre's server, reviews media server, command process server and video storage magnetic battle array.
Described control centre server receives video quality index and the warning message that the monitoring point reports and also gathers, and then the video quality index after will gathering and warning message send network management platform to the form that achievement data stream and alarm data flow respectively.
The described media server of reviewing provides the corresponding video data of alarm and the playback of the real-time monitor video media file of clean culture, different with the function of general media server, this server must be realized the video data of the alarm correspondence recorded and the former state playback of the real-time monitor video media file of clean culture, guarantees that the player reception is identical with the data transmission quality of recording at that time.
Described command process server is responsible for resolving the order data stream that the execution network management platform issues, wherein, review order and provide the video playback service by reviewing media server, orders such as monitoring point system configuration, alarm threshold and clean culture monitoring in real time are transmitted to the monitoring point of appointment.
Described video storage magnetic battle array mainly is that the corresponding video video data of storage alarm and the real-time monitor video media file of clean culture are for reviewing the media server playback.
Described network management platform comprises WEB application server, index reception server, alarm interface server and database server.
Described WEB application server provides interactive interface to show.Described index reception server receives the video quality index that control centre's server gathers in real time, and regularly carries out the compression of historical performance index; Described alarm interface server receives the warning message after control centre's server gathers, and directly sends to the WEB application server by alarm interface, deposits database server simultaneously in.Described index reception server and alarm interface server can merge according to deployment request, realize the function that two servers of former cause are realized respectively by a server.
Referring to shown in Figure 2, in the schematic diagram that IPTV service analysis grid is disposed, monitoring point M is deployed in aggregation nodes at different levels of IPTV product platform output link and metropolitan area network etc. and locates, adopt Port Mirroring and beam split mode to draw the video stream data that needs monitoring from network switching equipment port, pass through the IP protocol filtering again, video streaming data packet is outputed to the monitoring point, further unpack with index and calculate by collection analysis server (being data of monitoring point acquisition server and data of monitoring point Analysis server).GSR among Fig. 2 is a backbone switch; DSLAM is the ADSL local side apparatus; STB is a set-top box.

Claims (4)

1. an IPTV video quality monitoring system is characterized in that, described IPTV video quality monitoring system adopts distributed structure/architecture, is made up of monitor layer, convergence-level and network management platform;
Described monitor layer is made up of a plurality of monitoring points, each monitoring point realizes video stream data is gathered and analyzed, after obtaining video quality index and warning message, spread with achievement data stream and alarm data respectively and give convergence-level, and preserve the corresponding video data of alarm;
Described convergence-level comprises control centre's server, reviews media server, command process server and video storage magnetic battle array, described control centre server is to the corresponding video data of video storage magnetic battle array input alarm, and video data that video storage magnetic battle array storage alarm is corresponding and the real-time monitor video media file of clean culture are for reviewing the media server playback; Video quality index and the warning message that described control centre server reception monitoring point reports also gathers, and spreads with achievement data stream and alarm data respectively then and gives network management platform; The described media server of reviewing provides the corresponding video data of alarm and the playback of the real-time monitor video media file of clean culture, and must realize the video data of the alarm correspondence recorded and the former state playback of the real-time monitor video media file of clean culture, guarantee that the player reception is identical with the data transmission quality of recording at that time; Described command process server is responsible for resolving the order that the execution network management platform issues;
Described network management platform comprises WEB application server, index reception server, alarm interface server and database server; Described WEB application server provides interactive interface to show; Described index reception server receives the video quality index that control centre's server gathers in real time, and regularly carries out the compression of historical performance index; Described alarm interface server receives the warning message after control centre's server gathers, and directly sends to the WEB application server by alarm interface, deposits database server simultaneously in.
2. IPTV video quality monitoring system as claimed in claim 1, it is characterized in that, described monitoring point is deployed in the aggregation nodes at different levels place of IPTV product platform output link and metropolitan area network, adopt Port Mirroring and beam split mode to draw the video stream data that needs monitoring from network switching equipment port, pass through the IP protocol filtering again, video streaming data packet is outputed to the monitoring point, further unpack with index by the data of monitoring point acquisition server of monitoring point and data of monitoring point Analysis server and calculate.
3. IPTV video quality monitoring system as claimed in claim 1 or 2, it is characterized in that, each monitoring point comprises data of monitoring point acquisition server and data of monitoring point Analysis server, wherein, the data of monitoring point acquisition server is gathered video stream data, the data of monitoring point Analysis server is analyzed the video stream data of being gathered, and realizes uploading of video quality index and warning message, and preserves the corresponding video data of alarm.
4. IPTV video quality monitoring system as claimed in claim 1 or 2, it is characterized in that, described command process server is responsible for resolving the order that the execution network management platform issues, wherein, review order and provide the video playback service by reviewing media server, the monitoring point that order is transmitted to appointment is monitored in monitoring point system configuration, alarm threshold and clean culture in real time.
CN2008100434217A 2008-05-27 2008-05-27 Iptv video quality monitoring system Expired - Fee Related CN101594260B (en)

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CN102025568B (en) * 2010-12-13 2012-04-11 中国联合网络通信集团有限公司 Streaming media service quality monitoring device and method
CN102065102B (en) * 2011-01-05 2012-12-26 中国人民解放军国防科学技术大学 Monitor information compressing method orientating streaming media transmitting quality
CN102143389B (en) * 2011-04-22 2014-01-15 赛特斯信息科技股份有限公司 Quality assurance (QA) system and method of internet protocol television (IPTV) services
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CN103813182B (en) * 2014-01-28 2017-08-11 苏州工业园区科升通讯有限公司 The system and method for QOS monitorings are carried out to IPTV service
CN105007501B (en) * 2014-04-21 2019-02-19 中兴通讯股份有限公司 The acquisition method of data, the test method of device and system capacity, device
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CN104053054B (en) * 2014-06-23 2018-11-09 中兴通讯股份有限公司 Collecting method and device
CN104219504B (en) * 2014-09-28 2017-09-15 上海长合信息技术股份有限公司 The fault detection method of subway video monitoring system
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