CN106656611B - CDN quality evaluation system - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
- H04L43/55—Testing of service level quality, e.g. simulating service usage
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/22—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks comprising specially adapted graphical user interfaces [GUI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
- H04L41/5003—Managing SLA; Interaction between SLA and QoS
- H04L41/5009—Determining service level performance parameters or violations of service level contracts, e.g. violations of agreed response time or mean time between failures [MTBF]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/04—Processing captured monitoring data, e.g. for logfile generation
- H04L43/045—Processing captured monitoring data, e.g. for logfile generation for graphical visualisation of monitoring data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention discloses a CDN quality evaluation system, which comprises: the data acquisition subsystem acquires service indexes in the process of accessing the CDN by the terminal user in a passive monitoring or active dial-up testing mode; the data application subsystem is used for scoring the CDN quality of each node according to the acquired indexes to obtain an intuitive quality score; meanwhile, regional division is carried out on the CDN service range by combining geographic position information, quality difference nodes and quality difference regions are analyzed through the obtained quality scores, quality early warning is carried out according to the analysis results, and the quality visualization comprehensive display of the nodes is achieved. The invention provides a CDN quality evaluation system which visually shows the quality condition of nodes by scoring the quality of the nodes, realizes quality difference analysis of the nodes and regions and overall quality display of the whole CDN service and provides a basis for quality monitoring and optimization of the CDN nodes.
Description
Technical Field
The invention relates to a CDN quality evaluation system.
Background
A Content Delivery Network (CDN) is a novel network content service system, which is constructed based on an IP network and provides content delivery and service based on efficiency requirements, quality requirements, and content order of content access and application; in a broad sense, the CDN represents a network application service model with high quality, high efficiency and clear network order constructed based on a network.
Briefly, a Content Delivery Network (CDN) is a strategically deployed overall system, which includes 4 elements of distributed storage, load balancing, redirection of network requests, and content Management and global network Traffic Management (Traffic Management) are at the core of the CDN. Through judgment of user proximity and server load, the CDN ensures that content provides service for a user's request in an extremely efficient manner, and currently, CDN services are widely applied in the field of smart televisions.
In the operation process of the CDN service, there are various factors that affect the quality of the CDN node, such as a service provider, an operator, a regional difference, and the like, but there is no fixed standard for evaluating the quality of the CDN node in the industry at present; meanwhile, index parameters in the nodes need to be judged through various very professional indexes; therefore, during the operation of the CDN service, it is not easy to visually detect the CDN service condition.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a CDN quality evaluation system which can intuitively display the quality condition of a node by carrying out quality grading on the node and realize quality difference analysis of the node and a region and quality overall display of the whole CDN service.
The purpose of the invention is realized by the following technical scheme: a CDN quality evaluation system comprising:
the data acquisition subsystem is used for acquiring service indexes in the process that the user terminal accesses the CDN;
the data application subsystem is used for scoring the CDN quality of each node according to the acquired indexes to obtain an intuitive quality score; meanwhile, regional division is carried out on the CDN service range by combining geographic position information, quality difference nodes and quality difference regions are analyzed through the obtained quality scores, quality early warning is carried out according to the analysis results, and the quality visualization comprehensive display of the nodes is achieved.
Further, the data acquisition subsystem comprises:
the passive monitoring module is used for acquiring service indexes of each user terminal in the process of accessing the CDN by using a network probe deployed at each user terminal;
and the active dial testing module is used for actively testing the selected dial testing object and acquiring the service index of the dial testing object in the process of accessing the CDN.
Further, the data application subsystem comprises:
the node analysis module is used for scoring the CDN quality of each node according to the acquired indexes to obtain the visual quality score of each node;
the quality difference analysis module is used for carrying out regional division on the CDN service range by combining the geographical position information, judging quality difference nodes in each region in the whole CDN service range according to the CDN quality score of each node, and analyzing the quality difference region according to the number of the quality difference nodes in each region;
and the quality early warning module is used for monitoring and early warning the quality difference node and the quality difference region.
And the quality full-view display module is used for performing visual comprehensive display on the quality difference nodes, the quality difference regions and the quality scores of all the nodes in the CDN service range.
Wherein, the node analysis module comprises:
the index quantification unit is used for quantifying each index of each node to obtain the quality score of each index;
the index domain dividing unit is used for dividing the index of each node into different index domains;
the index domain quality evaluation unit is used for scoring the quality of each index in the same index domain in each node and weighting according to the index weight set by the index in the corresponding index domain to obtain the quality score of the corresponding index domain;
and the node quality evaluation unit is used for weighting the quality scores of the index domains according to the set domain weight in each node to obtain the CDN quality score of the node.
The mass difference analysis module comprises:
the regional division unit is used for carrying out regional division on the CDN service range by combining the geographic position information;
the quality difference node analysis unit is used for comparing the CDN quality score of each node with a set score threshold value, and when the CDN quality score of the node is lower than the set score threshold value, the node is considered as a quality difference node; thereby obtaining the distribution condition of the quality difference nodes in the whole CDN service range in each area;
and the quality difference region analysis unit is used for counting the number of quality difference nodes in each region, comparing the number of quality difference nodes in each region with a set number threshold, and considering the region as a quality difference region when the number of quality difference nodes in the region is higher than the set number threshold.
The quality full-view display module comprises a GIS full-view unit and is used for performing visual comprehensive display on quality difference nodes, quality difference areas and quality scores of all the nodes in the CDN service range based on a GIS map.
Further, the index fields include, but are not limited to, a network on-off index field, a network connection quality index field, a service quality index field, and a service experience index field;
the network on-off index domain includes but is not limited to link timeliness index and integrity index;
the network connection quality index domain includes but is not limited to a DNS timeliness index and a TCP timeliness index;
the service quality index domain includes but is not limited to HTTP timeliness index and integrity index;
the service experience metrics field includes, but is not limited to, HTTP sustainability metrics.
Furthermore, the data application subsystem also comprises a service provider analysis module and an operator analysis module;
the service provider analysis module is used for realizing standard-reaching analysis and regional quality GIS analysis of the accessed nodes of the service providers aiming at the service providers of the CDN service, and presenting quality difference nodes and quality difference regions of each service provider through a visual effect.
The operator analysis module is used for analyzing CDN service access nodes for different operators of CDN services and differentially presenting quality difference nodes of each operator through a visual effect.
Furthermore, the data application subsystem further comprises a cross-network analysis module, which is used for analyzing the condition that the accessed CDN node and the user network are not in the same operator, so as to realize the monitoring and analysis of the network quality among the cross-operators; and simultaneously recording the cross-network times and the cross-network quality of the area.
The CDN quality evaluation system further comprises a data management subsystem, wherein the data management subsystem comprises:
the network data management module is used for comprehensively managing the CDN network data;
the service data management module is used for comprehensively managing the CDN service data;
and the experience data management module is used for comprehensively managing the CDN experience data.
The invention has the beneficial effects that: by carrying out quality grading on the nodes, the quality condition of the nodes can be visually displayed, the quality difference analysis of the nodes and the regions and the quality overall display of the whole CDN service are realized, and a basis is provided for quality monitoring and optimization of the CDN nodes.
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Fig. 1 is a schematic block diagram of the present invention.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1, a CDN quality evaluating system includes:
the data acquisition subsystem is used for acquiring service indexes in the process that the user terminal accesses the CDN; the data acquisition subsystem comprises a passive monitoring module and an active dial testing module, wherein the passive monitoring module is used for acquiring service indexes of each user terminal in the process of accessing the CDN by using a network probe deployed at each user terminal; the active dial testing module is used for actively testing the selected dial testing object and acquiring the service index of the dial testing object in the process of accessing the CDN.
The data application subsystem is used for scoring the CDN quality of each node according to the acquired indexes to obtain an intuitive quality score; meanwhile, regional division is carried out on the CDN service range by combining geographic position information, quality difference nodes and quality difference regions are analyzed through the obtained quality scores, quality early warning is carried out according to the analysis results, and the quality visualization comprehensive display of the nodes is achieved.
Specifically, the data application subsystem includes:
the node analysis module is used for scoring the CDN quality of each node according to the acquired indexes to obtain the visual quality score of each node;
the quality difference analysis module is used for carrying out regional division on the CDN service range by combining the geographical position information, judging quality difference nodes in each region in the whole CDN service range according to the CDN quality score of each node, and analyzing the quality difference region according to the number of the quality difference nodes in each region;
and the quality early warning module is used for monitoring and early warning the quality difference node and the quality difference region.
And the quality full-view display module is used for performing visual comprehensive display on the quality difference nodes, the quality difference regions and the quality scores of all the nodes in the CDN service range.
In an embodiment of the present application, the node analysis module includes:
the index quantification unit is used for quantifying each index of each node to obtain the quality score of each index;
the index domain dividing unit is used for dividing the index of each node into different index domains; the index domain comprises but is not limited to a network on-off index domain, a network connection quality index domain, a service quality index domain and a service experience index domain; the network on-off index domain includes but is not limited to link timeliness index and integrity index; the network connection quality index domain includes but is not limited to a DNS timeliness index and a TCP timeliness index; the service quality index domain includes but is not limited to HTTP timeliness index and integrity index; the service experience metrics field includes, but is not limited to, HTTP sustainability metrics.
The index domain quality evaluation unit is used for scoring the quality of each index in the same index domain in each node and weighting according to the index weight set by the index in the corresponding index domain to obtain the quality score of the corresponding index domain;
and the node quality evaluation unit is used for weighting the quality scores of the index domains according to the set domain weight in each node to obtain the CDN quality score of the node.
The mass difference analysis module comprises:
the regional division unit is used for carrying out regional division on the CDN service range by combining the geographic position information;
the quality difference node analysis unit is used for comparing the CDN quality score of each node with a set score threshold value, and when the CDN quality score of the node is lower than the set score threshold value, the node is considered as a quality difference node; thereby obtaining the distribution condition of the quality difference nodes in the whole CDN service range in each area;
and the quality difference region analysis unit is used for counting the number of quality difference nodes in each region, comparing the number of quality difference nodes in each region with a set number threshold, and considering the region as a quality difference region when the number of quality difference nodes in the region is higher than the set number threshold.
The quality full-view display module comprises a GIS full-view unit and is used for performing visual comprehensive display on quality difference nodes, quality difference areas and quality scores of all nodes in the CDN service range based on a GIS map; for example, on a GIS map, the poor quality nodes and the normal nodes may be represented in different colors, and the poor quality areas and the normal areas may be represented in different colors.
In an embodiment of the present application, the data application subsystem further includes a service provider analysis module and an operator analysis module;
the service provider analysis module is used for realizing standard reaching analysis and regional quality GIS analysis on the accessed nodes of the service providers aiming at the service providers of the CDN service, presenting quality difference nodes and quality difference regions of each service provider through a visual effect, and providing a basis for rapidly mastering the distribution condition of the service quality, preferably selecting CDN manufacturers and optimizing the quality.
The operator analysis module is used for analyzing CDN service access nodes for different operators of CDN services, and presenting quality difference nodes of each operator through visual effect difference, so as to provide basis for network operator selection and configuration in different areas.
In the embodiment of the application, the data application subsystem further comprises a cross-network analysis module, which is used for analyzing the condition that the accessed CDN node and the user network are not in the same operator, so as to monitor and analyze the network quality between the cross-operators; and meanwhile, the number of times of crossing the network and the quality of crossing the network in the area are recorded, so that a basis is provided for the capacity expansion of CDN nodes and the coverage expansion of customers.
In some embodiments of the present application, the data application subsystem further includes an anomaly analysis module, configured to parse the failure cause value in multiple dimensions, such as type, operator, and service provider; the abnormal reasons can be delimited to a network, a terminal, a program source, a DNS and the like; the fault can be rapidly known and analyzed, and a basis is provided for rapidly solving the fault.
The CDN quality evaluation system further comprises a data management subsystem, wherein the data management subsystem comprises:
the network data management module is used for comprehensively managing CDN network data, wherein the CDN network data is index data of DNS timeliness, TCP timeliness, link timeliness and integrity;
the service data management module is used for comprehensively managing the CDN service data; the CDN service data, namely the timeliness, integrity and sustainability index data of the HTTP;
and the experience data management module is used for comprehensively managing the CDN experience data, wherein the CDN experience data is CDN quality score data.
Claims (6)
1. A CDN quality evaluation system is characterized in that: the method comprises the following steps:
the data acquisition subsystem is used for acquiring service indexes in the process that the user terminal accesses the CDN;
the data acquisition subsystem comprises:
the passive monitoring module is used for acquiring service indexes of each user terminal in the process of accessing the CDN by using a network probe deployed at each user terminal;
the active dial testing module is used for actively testing the selected dial testing object and acquiring a service index of the dial testing object in the process of accessing the CDN;
the data application subsystem is used for scoring the CDN quality of each node according to the acquired indexes to obtain an intuitive quality score; meanwhile, the CDN service range is divided into areas by combining geographic position information, quality difference nodes and quality difference areas are analyzed through the obtained quality scores, quality early warning is carried out according to the analysis results, and the quality visualization comprehensive display of the nodes is realized;
the data application subsystem comprises:
the node analysis module is used for scoring the CDN quality of each node according to the acquired indexes to obtain the visual quality score of each node;
the quality difference analysis module is used for carrying out regional division on the CDN service range by combining the geographical position information, judging quality difference nodes in each region in the whole CDN service range according to the CDN quality score of each node, and analyzing the quality difference region according to the number of the quality difference nodes in each region;
the quality early warning module is used for monitoring and early warning quality difference nodes and quality difference areas;
the quality full-view display module is used for performing visual comprehensive display on quality difference nodes, quality difference areas and quality scores of all the nodes in the CDN service range;
the data application subsystem also comprises a service provider analysis module and an operator analysis module;
the service provider analysis module is used for realizing standard-reaching analysis and regional quality GIS analysis on the accessed nodes of the service providers aiming at the service providers of the CDN service, and presenting quality difference nodes and quality difference regions of each service provider through a visual effect;
the operator analysis module is used for analyzing CDN service access nodes for different operators of CDN services and differentially presenting quality difference nodes of each operator through a visual effect;
the data application subsystem also comprises a cross-network analysis module which is used for analyzing the condition that the accessed CDN node and the user network are not in the same operator, and realizing the monitoring and analysis of the network quality among the cross-operators; simultaneously recording the number of cross-network times and the quality of cross-network in the area;
the data application subsystem also comprises an anomaly analysis module which is used for analyzing the failure reason values in multiple dimensions of types, operators and service providers; the abnormal reason can be delimited to a network, a terminal, a program source and a DNS; the fault can be rapidly known and analyzed, and a basis is provided for rapidly solving the fault.
2. The CDN quality evaluation system of claim 1 wherein: the node analysis module comprises:
the index quantification unit is used for quantifying each index of each node to obtain the quality score of each index;
the index domain dividing unit is used for dividing the index of each node into different index domains;
the index domain quality evaluation unit is used for scoring the quality of each index in the same index domain in each node and weighting according to the index weight set by the index in the corresponding index domain to obtain the quality score of the corresponding index domain;
and the node quality evaluation unit is used for weighting the quality scores of the index domains according to the set domain weight in each node to obtain the CDN quality score of the node.
3. The CDN quality evaluation system of claim 1 wherein: the mass difference analysis module comprises:
the regional division unit is used for carrying out regional division on the CDN service range by combining the geographic position information;
the quality difference node analysis unit is used for comparing the CDN quality score of each node with a set score threshold value, and when the CDN quality score of the node is lower than the set score threshold value, the node is considered as a quality difference node; thereby obtaining the distribution condition of the quality difference nodes in the whole CDN service range in each area;
and the quality difference region analysis unit is used for counting the number of quality difference nodes in each region, comparing the number of quality difference nodes in each region with a set number threshold, and considering the region as a quality difference region when the number of quality difference nodes in the region is higher than the set number threshold.
4. The CDN quality evaluation system of claim 1 wherein: the quality full-view display module comprises a GIS full-view unit and is used for performing visual comprehensive display on quality difference nodes, quality difference areas and quality scores of all the nodes in the CDN service range based on a GIS map.
5. The CDN quality evaluation system of claim 2 wherein: the index domain comprises but is not limited to a network on-off index domain, a network connection quality index domain, a service quality index domain and a service experience index domain;
the network on-off index domain includes but is not limited to link timeliness index and integrity index;
the network connection quality index domain includes but is not limited to a DNS timeliness index and a TCP timeliness index;
the service quality index domain includes but is not limited to HTTP timeliness index and integrity index;
the service experience metrics field includes, but is not limited to, HTTP sustainability metrics.
6. The CDN quality evaluation system of claim 1 wherein: the CDN quality evaluation system further comprises a data management subsystem, wherein the data management subsystem comprises:
the network data management module is used for comprehensively managing the CDN network data;
the service data management module is used for comprehensively managing the CDN service data;
and the experience data management module is used for comprehensively managing the CDN experience data.
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| CN107707378B (en) * | 2017-06-29 | 2018-11-13 | 贵州白山云科技有限公司 | A kind of CDN covering scheme generation method and device |
| CN108964967A (en) * | 2018-02-23 | 2018-12-07 | 云智慧（北京）科技有限公司 | Method and system for intelligently monitoring and analyzing CDN acceleration service |
| CN109040174A (en) * | 2018-06-21 | 2018-12-18 | 上海携程商务有限公司 | The dynamic selection method and system of server ip |
| CN109617758B (en) * | 2018-11-30 | 2021-03-19 | 网宿科技股份有限公司 | Node network quality calculation method and device, server and computer storage medium |
| CN109462510B (en) * | 2018-12-06 | 2021-10-29 | 网宿科技股份有限公司 | CDN node quality evaluation method and device |
| CN110740065B (en) * | 2019-10-29 | 2022-04-15 | 中国联合网络通信集团有限公司 | Method, device and system for identifying degradation fault point |
| CN112203166B (en) * | 2020-09-09 | 2023-03-14 | 中盈优创资讯科技有限公司 | Multi-model user health record scoring method and device |
| CN112653594A (en) * | 2020-12-07 | 2021-04-13 | 深圳市高德信通信股份有限公司 | CDN quality evaluation system |
| CN113868111B (en) * | 2021-12-06 | 2022-03-08 | 金锐同创(北京)科技股份有限公司 | Mutual access relation adjusting method and device based on service node and electronic equipment |
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| CN102347864B (en) * | 2011-11-02 | 2013-10-30 | 网宿科技股份有限公司 | System for monitoring service quality of content distribution networks |
| CN105657413B (en) * | 2016-01-08 | 2017-02-15 | 成都网丁科技有限公司 | Intelligent video quality monitoring platform |
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