CN101888385B - Multi-media safety signaling system - Google Patents
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- CN101888385B CN101888385B CN 201010223130 CN201010223130A CN101888385B CN 101888385 B CN101888385 B CN 101888385B CN 201010223130 CN201010223130 CN 201010223130 CN 201010223130 A CN201010223130 A CN 201010223130A CN 101888385 B CN101888385 B CN 101888385B
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Abstract
The invention discloses a multi-media safety signaling system which comprises a plurality of service nodes, an intelligent route node and a transport network, wherein the service nodes are arranged on different locations of the network in order to provide multi-media data to a user terminal, the intelligent route node comprises a service node selecting device which is used for selecting a target service node from the service nodes for the user terminal; and the transport network is used for carrying out data interaction among the service nodes, the intelligent route node and an external media source according to a preset encryption transport mode. The invention dynamically selects a proper multi-media service node for the user terminal by the intelligent route node, and solves the problem of poor service reliability because the user terminal only accesses the single multi-media service node.
Description
Technical field
The present invention relates to technical field of internet application, relate in particular to a kind of multi-media safety signaling system.
Background technology
Along with the development of Internet technology, multimedia service becomes one of big event of Internet service gradually.Wherein, Streaming Media and download service all need to provide continual data to the user, and be very high to the requirement of resource and stability.The download that will reach in order to satisfy Streaming Media and download service, a kind of solution commonly used of prior art are to utilize content distributing network (CDN, Content DeliveryNetwork).
CDN is the network application between network layer and application layer, its objective is by in existing internet, increasing the new network architecture of one deck, central management system by intelligence, the server zone that employing extensively distributes improves the service quality on the internet, improve bearing capacity and the website Operation safety of website service, thereby improve the website to the response quality of user's access.
The network architecture of CDN as shown in Figure 1.The CDN service utilizes the mode of domain name mapping by building distributed content network, the user is navigated to nearest node, for it provides service.The principle of CDN is to shorten as much as possible user access path, thereby reaches the purpose of improving service quality.
Although the CDN technology is the accelerating video media to a certain extent, realize download, live and program request, there is following shortcoming:
Service reliability is poor, the user can only connected reference CDN a node, user's service quality depends on the outlet bandwidth of visiting node and the performance of server fully, and the link bandwidth situation that arrives this station server, service quality is difficult to be effectively guaranteed.
In addition, CDN can't manage and monitor service content and user behavior, and the safety of supervision and service content is extremely paid no attention to, and for example the keeper can't understand the specific service situation of each content of multimedia, when being in an emergency down, can't carry out any processing.
Summary of the invention
In view of this, the invention provides a kind of multi-media safety signaling system, to solve the poor problem of existing service reliability in the prior art.Technical scheme is as follows:
A kind of multi-media safety signaling system comprises:
A plurality of service nodes, each service node is deployed in the network diverse location, is used to user terminal that multi-medium data is provided;
The intelligence routing node comprises the service node choice device, and described service node choice device is used to user terminal to select the purpose service node in a plurality of service nodes;
Transmission network is for the data interaction of carrying out between described service node, intelligent routing node and the external media sources.
Preferably, described transmission network comprises:
Dispensing device is used for obtaining the dispense request of external media sources, generates intelligence distribution formation according to this request, according to the service node distributing multimedia data of this formation to the needs distribution;
Notification unit is notified described intelligent routing node and external media sources with Distribution Results.
Preferably, described dispensing device adopts the multithreading Secure File Transfer Protocol to distribute described multi-medium data.
Preferably, described service node comprises:
Receiving element is used for receiving multimedia data;
Verification unit be used for to utilize the check value that obtains in advance that described multi-medium data is carried out verification, if by would be defined as legal multi-medium data, otherwise be defined as illegal multi-medium data;
Memory cell is used for storing legal multi-medium data;
Control unit is stored in memory cell with described legal data, and when detecting unit detected illegal multi-medium data, the indication receiving element stopped receiving multimedia data;
The unit is provided, is used to user terminal that legal multi-medium data is provided.
Preferably, the described check value that obtains in advance is carried on source of media, dispensing device sends by java messenger service JMS interface, and by in sending instructions dividing of SSL channel transfer.
Preferably, described check value is the MD5SUM value of multi-medium data.
Preferably, described intelligent routing node also comprises authentication device, and this authentication device is used for the user terminal of requesting multimedia data is carried out authentication, and authentication by the time indicate corresponding service node to provide corresponding multi-medium data to described user terminal.
Preferably, described authentication device is carried on the ssl protocol the authorization data that user terminal carries out in the authentication process, and described authorization data comprises account and password.
Preferably, described account is the unique number of user name or terminal equipment.
Preferably, described intelligent routing node also comprises the log recording unit, be used for the Distribution Results according to the notification unit transmission, record the multi-medium data memory state of each service node, and, user's user behaviors log in the record authentication process, described log recording unit adopt awk+C language compilation in batches daily record importing and handling procedure.
Preferably, described service node also comprises monitoring unit, be used for when receiving the keeper corresponding with active user's user ID and identify, indication provides the unit that the multi-medium data identical with offering described active user is provided, and when receiving the service terminal order of carrying this keeper's sign, the provide multi-medium data of unit termination to the active user is provided in indication.
Preferably, described dispensing device comprises:
The data encapsulation unit is used for described multi-medium data is divided into some packets, and adopts the AES128 cryptographic algorithm to be encrypted to each packet;
Transmission unit adopts preset algorithm to encapsulate data data packet transmission after the unit package to user terminal.
Preferably, described preset algorithm is the local mess code algorithm of global orderly.
As can be seen from the above technical solutions, the present invention is the multimedia service node that the dynamic selection of user terminal is fit to by intelligent route, has solved because user terminal can only be accessed the poor problem of service reliability that single multimedia service node brings.
In addition, the collection of the user's that the present invention also provides by intelligent route authentication and authentication, user journal, and service node being used for of providing the interface function check user's accessed content, solved prior art to user's access process can't management and supervision problem.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, the accompanying drawing that the following describes only is some embodiment that put down in writing among the present invention, for those of ordinary skills, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the prior art structural representation;
Fig. 2 is the disclosed multi-media safety signaling system structural representation of embodiment of the invention Fig. 1;
Fig. 3 is the structural representation of transmission network in the disclosed multi-media safety signaling system of the embodiment of the invention;
Fig. 4 is structural representation Fig. 1 of service node in the disclosed multi-media safety signaling system of the embodiment of the invention;
Fig. 5 is the disclosed multi-media safety signaling system structural representation of embodiment of the invention Fig. 2;
Fig. 6 is the disclosed multi-media safety signaling system structural representation of embodiment of the invention Fig. 3;
Fig. 7 is structural representation Fig. 2 of service node in the disclosed multi-media safety signaling system of the embodiment of the invention;
Fig. 8 is the structural representation of dispensing device in the transmission network in the disclosed multi-media safety signaling system of the embodiment of the invention.
Embodiment
Multi-media safety signaling system provided by the invention can comprise:
A plurality of service nodes, each service node is deployed in the network diverse location, is used to user terminal that multi-medium data is provided;
The intelligence routing node comprises the service node choice device, and described service node choice device is used to user terminal to select the purpose service node in a plurality of service nodes;
Transmission network is for the data interaction of carrying out between described service node, intelligent routing node and the external media sources.
The present invention is the multimedia service node that the dynamic selection of user terminal is fit to by intelligent route, has solved because user terminal can only be accessed the poor problem of service reliability that single multimedia service node brings.
For the ease of better understanding the present invention, below in conjunction with the accompanying drawing among the present invention, technical scheme of the present invention is clearly and completely described.
As shown in Figure 2, the multi-media safety signaling system that provides of the embodiment of the invention can comprise:
A plurality of service nodes 201, each service node 201 is deployed in the network diverse location, is used to user terminal that multi-medium data is provided.
Wherein, transmission network 203 provides open interface for external media sources, and any this interface and external media sources through authorizing of meeting can be to the multi-media safety signaling system distributing multimedia contents.
In the present embodiment, be the dynamic multimedia service node that is fit to selected of user terminal by intelligent routing node, the user can be positioned at all the time can provide high-quality, stable service node, user terminal solved owing to can only be accessed the poor problem of service reliability that single multimedia service node brings, especially when peak period and generation burst flow, the mode of this Dynamic Selection service node can effectively be stablized service quality, promotes the user and experiences.
In other embodiments, in order to guarantee the Data dissemination efficient of transmission network, the present invention also provides intelligence distribution and the feedback mechanism of data, and referring to shown in Figure 3, transmission network 203 can comprise:
Wherein, described dispensing device 203a adopts the multithreading Secure File Transfer Protocol to distribute described multi-medium data.
In the present embodiment, intelligence distribution and feedback mechanism can effectively reduce the bandwidth pressure of source of media, improve Data dissemination efficient, adopt the multithreading Secure File Transfer Protocol can limit transmission rate in distribution procedure, realize the balance between distribution efficient and the transmission cost.
In other embodiments, in order to guarantee the legitimacy of distributing contents, the present invention also provides the verification scheme of distributing contents, and referring to shown in Figure 4, described service node 201 can comprise:
Receiving element 201a is used for receiving multimedia data.
Wherein, the check value that verification unit 201b obtains in advance is carried on source of media, dispensing device sends by java messenger service JMS interface, and by in sending instructions dividing of SSL channel transfer; Described check value can be the MD5SUM value of multi-medium data.
In other embodiments, referring to shown in Figure 5, described intelligent routing node 202 also comprises authentication device 202b, this authentication device is used for the user terminal of requesting multimedia data is carried out authentication, and authentication by the time indicate corresponding service node 201 to provide corresponding multi-medium data to described user terminal.
Wherein, described authentication device 202b is carried on the ssl protocol the authorization data that user terminal carries out in the authentication process, and described authorization data comprises account and password, and described account is the unique number of user name or terminal equipment.
In other embodiments, referring to shown in Figure 6, described intelligent routing node 202 also comprises log recording unit 202c, be used for the Distribution Results according to the notification unit transmission, record the multi-medium data memory state of each service node 201, and, user's user behaviors log in the record authentication process.
By the effect of log recording unit 202c, can record the multi-medium data memory state of each service node 201, and follow the tracks of and understand user habit, the monitoring to user behavior is provided.By reporting the User action log of collecting the UDR record, so that operation platform can gather all client operation behavioural informations, by the analysis to user's operation behavior, screen malicious user, for malicious user, system provides black title function, and the user who enters blacklist will be limited the rights of using for system.
In addition, for guaranteeing the acquisition and processing to the mass users operation information, platform can adopt awk+C language compilation in batches daily record importing and handling procedure, realizes instant processing and the statistics of mass users daily record data.
In other embodiments, referring to shown in Figure 7, described service node 201 also comprises monitoring unit 201f, be used for when receiving the keeper corresponding with active user's user ID and identify, indication provides unit 201e that the multi-medium data identical with described active user is provided, and when receiving the service terminal order of carrying this keeper's sign, the provide multi-medium data of 201e termination in unit to the active user is provided in indication.
Present embodiment provides a Real Time Monitoring interface, under the prerequisite that whole business are not had any impact, realization is monitored all given contents, can be real-time watch and listen to and look audio content, and the Real Time Monitoring actual user accesses situation, can to stopping user's operation, guarantee Security of the system in case of necessity.
In other embodiments, referring to shown in Figure 8, the dispensing device 203a in the described transmission network can comprise:
In the transmission course of video content, adopt AES128 bit encryption algorithm that each video data package is encrypted.In actual applications, video data is divided into the integral multiple of 512 bytes, is encrypted by per 128 characters, and the content-length after the encryption is constant.Because all videos data are all encrypted, even the hacker is truncated to each Ether frame data from network link, still can't obtain available video content.
In addition, in the processing to the video content data of key, adopt the local out of order transmission algorithm of global orderly to carry out transfer of data, packet is N large block by cutting, each large block is further divided into again M block of cells, calculate the memory node of each block of cells by service end, and stochastic and dynamic selects node to send.Because the source of packet is not unique, it is unordered that packet sends with arrival time within the specific limits, need after the terminal downloads content to recomputate packet indexed sequential after packet is resetted, just can realize the correct broadcast of content, thus the fail safe that has improved transfer of data.
As can be seen from the above embodiments, the present invention is the multimedia service node that the dynamic selection of user terminal is fit to by the Intelligent Service route, has solved because user terminal can only be accessed the poor problem of service reliability that single multimedia service node brings; The collection of the user's that the present invention also provides by the Intelligent Service route authentication and authentication, user journal, and the service node policing interface (lawful interception interface) that is used for checking user's accessed content that provides, solved prior art to user's access process can't management and supervision problem.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and identical similar part is mutually referring to getting final product between each embodiment, and each embodiment stresses is difference with other embodiment.System embodiment described above only is schematic, wherein said unit as the separating component explanation can or can not be physically to separate also, the parts that show as the unit can be or can not be physical locations also, namely can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select according to the actual needs wherein some or all of module to realize the purpose of present embodiment scheme.Those of ordinary skills namely can understand and implement in the situation of not paying creative work.
The present invention can describe in the general context of the computer executable instructions of being carried out by computer, for example program module.Usually, program module comprises the routine carrying out particular task or realize particular abstract data type, program, object, assembly, data structure etc.Also can in distributed computing environment (DCE), put into practice the present invention, in these distributed computing environment (DCE), be executed the task by the teleprocessing equipment that is connected by communication network.In distributed computing environment (DCE), program module can be arranged in the local and remote computer-readable storage medium that comprises memory device.
The above only is the specific embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a multi-media safety signaling system is characterized in that, comprising:
A plurality of service nodes, each service node is deployed in the network diverse location, is used to user terminal that multi-medium data is provided;
The intelligence routing node comprises the service node choice device, and described service node choice device is used to user terminal to select the purpose service node in a plurality of service nodes;
Transmission network, for the data interaction of carrying out between described service node, intelligent routing node and the external media sources, wherein, described transmission network comprises: dispensing device and notification unit, described dispensing device is used for obtaining the dispense request of external media sources, generate intelligence distribution formation according to this request, according to the service node distributing multimedia data of this formation to the needs distribution; Described notification unit is used for notifying described intelligent routing node and external media sources with Distribution Results;
Described service node comprises: receiving element, verification unit, memory cell, control unit and the unit is provided, and described receiving element is used for receiving multimedia data; Described verification unit be used for to utilize the check value that obtains in advance that described multi-medium data is carried out verification, if by would be defined as legal multi-medium data, otherwise be defined as illegal multi-medium data; Described memory cell is used for storing legal multi-medium data; Described control unit is stored in memory cell with described legal data, and when detecting unit detected illegal multi-medium data, the indication receiving element stopped receiving multimedia data; The described unit that provides is used to user terminal that legal multi-medium data is provided;
Wherein, described intelligent routing node also comprises authentication device, and this authentication device is used for the user terminal of requesting multimedia data is carried out authentication, and authentication by the time indicate corresponding service node to provide corresponding multi-medium data to described user terminal;
Described intelligent routing node also comprises the log recording unit, be used for the Distribution Results according to the notification unit transmission, record the multi-medium data memory state of each service node, and, user's user behaviors log in the record authentication process, described log recording unit adopt awk+C language compilation in batches daily record importing and handling procedure.
2. the system as claimed in claim 1 is characterized in that, described dispensing device adopts the multithreading Secure File Transfer Protocol to distribute described multi-medium data.
3. the system as claimed in claim 1 is characterized in that, the described check value that obtains in advance is carried on source of media, dispensing device sends by java messenger service JMS interface, and by in sending instructions dividing of SSL channel transfer.
4. system as claimed in claim 3 is characterized in that, described check value is the MD5SUM value of multi-medium data.
5. the system as claimed in claim 1 is characterized in that, described authentication device is carried on the ssl protocol the authorization data that user terminal carries out in the authentication process, and described authorization data comprises account and password.
6. system as claimed in claim 5 is characterized in that, described account is the unique number of user name or terminal equipment.
7. the system as claimed in claim 1, it is characterized in that, described service node also comprises monitoring unit, be used for when receiving the keeper corresponding with active user's user ID and identify, indication provides the unit that the multi-medium data identical with described active user is provided, and when receiving the service disruption order of carrying this keeper's sign, the provide multi-medium data of unit termination to the active user is provided in indication.
8. the system as claimed in claim 1 is characterized in that, described dispensing device comprises:
The data encapsulation unit is used for described multi-medium data is divided into some packets, and adopts the AES128 cryptographic algorithm to be encrypted to each packet;
Transmission unit adopts preset algorithm to encapsulate data data packet transmission after the unit package to user terminal.
9. system as claimed in claim 8 is characterized in that, described preset algorithm is the local mess code algorithm of global orderly.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101287011A (en) * | 2008-05-26 | 2008-10-15 | 蓝汛网络科技（北京）有限公司 | Method, system and device for responding service request from user in content distributing network |
| CN101645922A (en) * | 2009-04-17 | 2010-02-10 | 中国科学院声学研究所 | CDN network system based on geographical position information encoding and distribution treatment method |
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| WO2003060707A1 (en) * | 2002-01-11 | 2003-07-24 | Akamai Technologies, Inc. | Java application framework for use in a content delivery network (cdn) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101287011A (en) * | 2008-05-26 | 2008-10-15 | 蓝汛网络科技（北京）有限公司 | Method, system and device for responding service request from user in content distributing network |
| CN101645922A (en) * | 2009-04-17 | 2010-02-10 | 中国科学院声学研究所 | CDN network system based on geographical position information encoding and distribution treatment method |
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