CN101075992B - Method and system for exchanging IP multiple service - Google Patents
Method and system for exchanging IP multiple service Download PDFInfo
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- CN101075992B CN101075992B CN2006100208965A CN200610020896A CN101075992B CN 101075992 B CN101075992 B CN 101075992B CN 2006100208965 A CN2006100208965 A CN 2006100208965A CN 200610020896 A CN200610020896 A CN 200610020896A CN 101075992 B CN101075992 B CN 101075992B
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Abstract
The method comprise: 1) when client side sends a service request to the service side, the multi service switching gateway intercepts the IP request packet; 2) making protocol analysis for the IP packet in order to identify the charge service accessed by the user; 3) based on the charge service, initiating a authentication request to the management platform, and waiting the answering from the management platform; 4) according to the authentication result, making the subsequent process. By the invention, only a multi service gate needs to be added to the existed network without needing to change the state of service provider network.
Description
[technical field]
The present invention relates to a kind of implementation of IP multi-service exchange gateway.
[background technology]
In order to satisfy the business that service provider (ISP) provides on different terminal equipments such as the internet usages such as mobile phone, computer, as: HTML (Hypertext Markup Language) HTTP (Hypertext Transfer Protocol) is the online the most frequently used application layer protocol of present WWW, and the HTTP business is a modal browse service on the present the Internet; Real-time streaming protocol RTSP (Real Time Streaming Protocol) sets up and controls the Continuous Flow medium of one or several time synchronized, and as Voice ﹠ Video, the RTSP business is that modal online Voice ﹠ Video is watched business on the present the Internet; Online amusement and recreation etc., various interconnected web service providers need separately user identity to be discerned and can be chargeed to user capture.And in fact ISP is not directly to user's charge, and it still needs to inserting merchant (ICP) clearing, and in addition, ISP also is difficult to carry out other management.All be based on different ISP, different manufacturers for different value-added service exploitations.And Chinese patent application CN200410039281.8 " a kind of multi-service switching method and system based on the IP network user identity ", provide a kind of multi-service switching method and system: communication terminal, multiservice switching platform, network service providing end are coupled with IP network respectively based on the IP network user identity, and adopt initiator and the reciever of an online identity device as business, adopt a safety certification administrative unit to carry out security management; User profile is stored in respectively in online identity device and the multiservice switching platform, the service provider SP business information is stored in the multiservice switching platform, and multiservice switching platform and the coupling of safety certification administrative unit; Thereby realize the multi-service exchange of unified customer service identity and the multiple accessed professional addressing system of unified user.When system permits in business, the online identity device is authenticated; When business was carried out, online identity device, multiservice switching platform, network service providing end three parts generated professional beginning and service ending time tag, service feature information respectively, are used for chargeing.In the whole process, multiservice switching platform serves as type of service and judges and heavily pointing to of task.
[summary of the invention]
Purpose of the present invention: a kind of IP multi-service exchange gateway and its implementation are provided, and it can be directly applied for existing network, applied range, efficient height.
For achieving the above object, the present invention proposes a kind of IP multi-service switching method, comprise the steps: 1) send service request to service end when client, the multi-service exchange gateway is tackled this request IP bag, 2) this IP bag is carried out protocal analysis, identify the call charge service of user capture, 3) to call charge service, initiate authentication request to management platform, wait for the response of management platform, 4) carry out follow-up processing according to authenticating result.
Above-mentioned method, described step 2) detailed process comprises: after the multi-service exchange gateway parses the information such as URL of the entrained source IP of IP bag and source port, purpose IP and destination interface, visit, mate with the business rule that is provided with in the system, identify the call charge service of user capture.Described business rule comprises two levels: 3-4 layer protocol rule and 7 layer protocol rules.
Described business rule mates main process and comprises:
A, carry out the coupling of 4 layers of rule, coupling is unsuccessful, need not carry out subsequent treatment, directly transmits this IP bag; The match is successful, carries out the B step; B, carry out the coupling of 7 layer protocol rules, coupling is unsuccessful, then handles according to 4 layer services, carries out the C step; The match is successful, according to 7 layers of regular Business Processing, carries out the C step; C, startup Service Point Trigger logic are initiated authentication request to management platform.
Above-mentioned method, described authentication step comprises: user profile and business information that management platform provides according to the multi-service exchange gateway, carry out user identity, business and order the checking of relation etc., determine information such as the charge type of the authority of user capture business and user capture business and rate, and inform the multi-service exchange gateway.
Above-mentioned method, the subsequent treatment that described step 4) multi-service exchange gateway carries out according to authenticating result comprises: when authenticating result was " allowing visit ", the multi-service exchange gateway sent client-requested to service end; When authenticating result was " abandoning ", the multi-service exchange gateway did not send client-requested to service end, connected for TCP, sent to client and closed connection request; When authenticating result was " being redirected ", the multi-service exchange gateway was redirected client to certain page.
Above-mentioned method, allow the call charge service of visit for management platform, the multi-service exchange gateway will send the access service request of client to service end, and carry out real-time tracing and monitoring for follow-up client and the service interaction situation between the service end, the mutual multiple information of statistics both sides, rate information in conjunction with management platform is returned generates original user according to business characteristic and demand and uses professional ticket.
Above-mentioned method, for the HTTP business, can adopt half agent skill group, when described client was sent to the TCP connection request arrival multi-service exchange gateway of service end, the multi-service exchange gateway returned ACK information to client, sets up TCP with it and connects, and the http get that waits for client asks, for the service request of client, send authentication request afterwards, and whether send TCP connection request and http get request to service end according to the authenticating result decision of management platform to management platform.
The present invention proposes a kind of IP multi-service switching system simultaneously, comprise client, multi-service exchange gateway, management platform, service end, described client is by multi-service exchange gateway Connection Service end, and described management platform connects the multi-service exchange gateway; When described client is initiated service request to service end, described multi-service exchange gateway is tackled this request IP bag, this IP bag is carried out protocal analysis, identify the call charge service of user capture, initiate authentication request to management platform, wait for the response of management platform, carry out follow-up processing according to authenticating result; For non-call charge service, described multi-service exchange gateway is directly transmitted the IP bag.
Owing to adopted above scheme, brought following beneficial effect:
The implementation of the IP multi-service exchange gateway that the present invention proposes, for operator, in existing network, increase the multi-service exchange gateway, must not change the present situation of existing carrier network, the just SP that changes inserted by originally becoming on the multi-service exchange gateway in access on operator's equipment, it can make actions such as access, charging, management all finish at the multi-service exchange gateway, and the authentication and accounting action is transparent to the existing network miscellaneous equipment, realizes integration and unified management to different SP business.
The multi-service exchange gateway is as the outpost of the tax office of an authentication, charging, can be under the prerequisite that does not change operator's existing network Operational Visit mechanism, realization is to the control that authenticates, charges of user's internet usage business, can carry out authentication management to user's the identity and the business of visit, and the situation of user capture business is carried out real-time management and monitoring, supervisory user is used service conditions in real time, statistics to the user capture business can be treated according to the difference differentiation of the type of service of being visited, can realize personalized accurate management by different granularity real-time trackings.
Multi-service exchange gateway of the present invention realizes supporting the business of various protocols type (as http, rtsp etc.); And the application of this multi-service exchange gateway is not limited to concrete physical network, can be applied to use TCP/IP to carry out in the interconnected physical network.
To the business of different agreement, a kind of protocol service type of every increase, the multi-service exchange gateway only need increase corresponding protocol processing module and handling process and get final product, and a kind of system configuration of easy expansion is provided, and has good expandability.
The http Business Processing scheme of employing half agent skill group that the present invention proposes, for the client service request of management platform failed authentication, the multi-service exchange gateway does not send service request to service end, alleviates the traffic load of service end greatly; In addition, introduce half agency, increased the control ability of multi-service exchange gateway.
[description of drawings]
Fig. 1 is a system configuration schematic diagram of the present invention,
Fig. 2 is a http handling process of the present invention,
Fig. 3 is a rtsp handling process of the present invention,
Fig. 4 is the http handling process after the present invention improves.
[embodiment]
The implementation of this multi-service exchange gateway, be transparent to existing network and on the basis of existing IP routing function, increased the traffic identification control logic, in conjunction with management platform, realization is to the identification and the authentication of user identity, and to the identification and the authentication of the IP operation of user capture, and situation for the user capture business, carry out real-time control, monitoring and management, real-time statistics goes out the user and uses professional multiple statistical information, with reach realization to the personalization of user capture business charge (as by monthly payment, in due order, duration and flow etc.).
Management platform can satisfy the regulatory requirement of operator to the data business, finish service management and controlled function to the data business, be implemented in the ecological chain of data service application, carry out user management, service management and SP management, the platform of business interface open, that standard is unified externally is provided.The product of realizing this function at present has the DSMP standard of following China Mobile, by the MISC platform of Zhuo Wang scientific and technological development.
When client sends a service request to service end, the multi-service exchange gateway is tackled this request IP bag, this IP bag is carried out the protocal analysis of 3-7 layer, parse after IP wraps the information such as url of entrained source ip and source port, purpose ip and destination interface, visit, according to the rule match principle, mate with the business rule that is provided with in the system.Carry out next step treatment step according to the result of coupling.
Business rule setting in the system comprises two levels: first 3-4 layer protocol rule (hereinafter to be referred as 4 layers of rule), it two is 7 layer protocol rules.4 layers of rule mainly comprise: source IP, source port and purpose IP, destination interface; 7 layers of rule mainly comprise: the information of protocol type (http, rtsp and online etc.), url, SpId and ServiceId etc.
Collocation form is as follows:
4 layers of regular deploy content: ServerIp+Server Port and DestinationIp and Destination Port, the client ip and the port numbers that allow visit have been described, and the IP of SP application server and port numbers);
7 layers of regular deploy content: Protocol have described the type of this service; Url; Service code (SpId) and service code (ServiceId).
The operation exchange gateway carries out the protocal analysis of 3-7 layer to the IP that flows through bag, parse relevant information after, carry out the coupling of rule then.The principle of rule match is: carry out 4 layers of rule match earlier, carry out 7 layers of rule match again after the success.
After the rule match success of different levels, the operation exchange gateway will be taked different subsequent actions, and main logic is summarized as follows:
(1) carry out the coupling of 4 layers of rule, coupling is unsuccessful, need not carry out subsequent treatment, directly transmits this IP bag.The match is successful, changes step (2).
(2) carry out the coupling of 7 layer protocol rules, coupling is unsuccessful, then handles according to 4 layer services, changes step (4); The match is successful, then execution in step (3).
(3) according to 7 layers of regular Business Processing.Change step (4).
(4) start the Service Point Trigger logic, initiate authentication request to management platform, wait for the response of management platform, and carry out follow-up processing according to response results, situation is as follows:
" allow visit ": the operation exchange gateway sends client-requested to the SP end; " abandon ": the operation exchange gateway does not send client-requested to SP, if TCP connects, closes connection request to the client transmission; " be redirected ": the operation exchange gateway is redirected client to certain page.
If the business of user capture is the business of need chargeing, the multi-service exchange gateway will carry out alternately with management platform, carry out the checking of user identity and the checking of institute's access service, and the affirmation of ordering relation etc.User profile and business information that management platform provides according to the multi-service exchange gateway, carry out user identity, business and order the checking of relation etc., the authority of determining the user capture business (allows, abandon or be redirected) and information such as the charge type of the business of user capture and rate, and inform the multi-service exchange gateway, whether the multi-service exchange gateway sends the request of user capture business to service end according to the authority information decision of receiving.
Allow the call charge service of visit for management platform, the multi-service exchange gateway will send the access service request of client to service end, and carry out real-time tracing and monitoring for follow-up client and the service interaction situation between the service end, the mutual multiple information (as duration, byte number and packet count etc.) of statistics both sides, rate information in conjunction with management platform is returned generates original user according to business characteristic and demand and uses professional ticket.
Business to different agreement, professional and the rtsp business as http, a kind of protocol service type of every increase, the multi-service exchange gateway only need increase corresponding protocol processing module and handling process and get final product, a kind of system configuration of easy expansion is provided, has good expandability.
Also the present invention is described in further detail in conjunction with the accompanying drawings below by specific embodiment.
Embodiment one:
Please refer to shown in Figure 2, the detailed process of http business:
1) user opens a http browser window, clicks a http and connects;
2) browser is connected the SP that points to and carries out three TCP handshake information that connects with this http, and the multi-service exchange gateway does not process;
3) browser sends get url request;
4) this request ip bag flows to the multi-service exchange gateway, and the multi-service exchange gateway is tackled this ip bag;
5) the multi-service exchange gateway parses dest ip and dest port and url information and carries out rule match;
6) the multi-service exchange gateway analysis business of being visited is a call charge service, sends authentication request to management platform;
7) management platform is carried out user's identity, business and is ordered the authentication of relation, returns multi-service exchange gateway authentication result;
8) the multi-service exchange gateway is taked next action according to authentication result:
(a) response forwards this GET request for allowing visit (" case success " in the corresponding diagram); Follow-up, transmit the response of service end equally and give client;
(b) if response is " refusal " (being that management platform notice multi-service exchange gateway abandons this request), " case failed " in the corresponding diagram, multi-service this moment exchange gateway abandons this GET request, sends the RST request of taking out stitches for respectively client and service end;
(c) response is " being redirected ", not expression among the figure, and multi-service this moment exchange gateway will replace service end that this GET is made response (notice client redirect request);
9) client and service end send handshaking information, close connection;
10) the multi-service exchange gateway produces ticket.
Embodiment two:
Please refer to shown in Figure 3, the detailed process of rtsp business:
1) user browses the page of rtsp business, clicks certain super connection;
2) SP that points to this hyperlink of browser carries out three TCP handshake information that connects, and the multi-service exchange gateway does not process;
3) browser sends the DESCRIBE request, and the multi-service exchange gateway does not process;
4) service end is returned client DESCRIBE and is replied;
5) client sends the setup request;
6) this request ip bag flows to the multi-service exchange gateway;
7) the multi-service exchange gateway analyzes dest ip and dest port and url information and carries out rule match;
8) the multi-service exchange gateway analysis business of being visited is a call charge service, sends authentication request to management platform;
9) management platform is carried out user's identity, business and is ordered the authentication of relation, returns multi-service exchange gateway authentication result;
10) the multi-service exchange gateway is taked next action according to authentication result
(a) response forwards this setup request for allowing visit (" case success " in the corresponding diagram) to service end, changes 11;
(b) if response is " refusal " (be that management platform notice multi-service exchange gateway abandons this request, Fig. 4 does not illustrate), multi-service this moment exchange gateway abandons process ends with this setup request;
11) service end is returned the setup successful respond;
12) user uses streaming media service;
13) user is used to complete, and sends the FIN bag;
14) the multi-service exchange gateway allows the FIN bag to pass through;
15) service end sends the FIN bag and closes connection;
16) the multi-service exchange gateway produces ticket.
Describe as can be seen from top flow process, the multi-service exchange gateway is in conjunction with management platform, realization is to the identification and the authentication of user identity, and to the identification and the authentication of the IP operation of user capture, in addition, since the multi-service exchange gateway be client and service end communicate must be through network element node, so situation for the user capture business, the multi-service exchange gateway can carry out real-time control, monitoring and management, real-time statistics goes out the user and uses professional multiple statistical information, to reach realization the personalization of user capture business is chargeed.
Embodiment three:
Please refer to shown in Figure 4ly, introduce the http operation flow of half agent skill group in this example, flow process is described below:
1) user opens a http browser window, clicks a http and connects;
2) browser connects to the SP transmission SYN bag request that this http connects sensing;
3) this ip bag flows to the multi-service exchange gateway, and the analysis of multi-service exchange gateway is the SYN bag, and the multi-service exchange gateway disguises oneself as service end to client response SYN/ACK message;
4) browser sends get url request;
5) this request ip bag flows to the multi-service exchange gateway, and the multi-service exchange gateway is tackled this ip bag;
6) the multi-service exchange gateway analyzes dest ip and dest port and url information and carries out rule match;
7) the multi-service exchange gateway analysis business of being visited is a call charge service, sends authentication request to management platform;
8) management platform is carried out user's identity, business and is ordered the authentication of relation, returns multi-service exchange gateway authentication result;
9) the multi-service exchange gateway is taked next action according to authentication result:
(a) response forwards 10 to for allowing visit (" case success " in the corresponding diagram);
(b) if response is " refusal " (being that management platform notice multi-service exchange gateway abandons this request), multi-service this moment exchange gateway abandons this GET request, sends the RST request of taking out stitches to client respectively;
(c) response is " being redirected ", and multi-service this moment exchange gateway will replace service end that this GET is made response (notice client redirect request);
10) the disguise oneself as ip of client and port of multi-service exchange gateway sends the SYN packet to service end;
11) service end is returned SYN/ACK, and the disguise oneself as ip and the port of client of multi-service exchange gateway receives that with the front get url packet sends to service end;
12) service end return data, the ip bag flows to the multi-service exchange gateway.The multi-service exchange gateway is analyzed return code, and the sequence number that the multi-service exchange gateway is revised service end sends to client;
13) client sends the ACK bag, and this bag flows to the multi-service exchange gateway, and the multi-service exchange gateway is revised and confirmed sequence number, sends to service end;
14) service end sends ED, sends the FIN bag and closes connection;
15) the multi-service exchange gateway is revised the sequence number of FIN bag, allows to pass through;
16) client sends the FIN bag and closes connection;
17) the multi-service exchange gateway produces ticket.
Operation flow more shown in Figure 4 and shown in Figure 2, can find, after introducing half agent skill group, when client is sent to the TCP connection request arrival multi-service exchange gateway of service end, the multi-service exchange gateway does not in time send the TCP connection request to service end, but return ACK information to client, setting up TCP with it connects, and the http get that waits for client asks, afterwards for the service request of client, send authentication request to management platform, and whether send TCP connection request and http get request to service end according to the authenticating result decision of management platform.Thereby make the TCP of client and service end be connected, become by the TCP between client and the multi-service exchange gateway connect, and multi-service exchange gateway and service end between TCP twice connection connecting realize.And according to operation flow shown in Figure 2, the transmission of the http get of client request is to be connected at the TCP of client and service end just to carry out after foundation is finished.
Introduce half agent skill group, can alleviate the traffic load of service end, because for the client service request of management platform failed authentication, the multi-service exchange gateway does not send service request to service end; In addition, introduce half agency, can increase the control ability of multi-service exchange gateway.
Claims (7)
1. IP multi-service switching method, comprise the steps: 1) send service request to service end when client, multi-service exchange gateway interception IP bag, 2) after the multi-service exchange gateway parses the URL information of the entrained source IP of this IP bag and source port, purpose IP and destination interface and visit, mate with the business rule that is provided with in the system, identify the call charge service of user capture, 3) to call charge service, initiate authentication request to management platform, wait for the response of management platform, 4) carry out follow-up processing according to authenticating result; The business rule that is provided with in the described system comprises two levels: 3-4 layer protocol rule and 7 layer protocol rules;
Described business rule mates main process and comprises:
A, carry out the coupling of 3-4 layer protocol rule, coupling is unsuccessful, need not carry out subsequent treatment, directly transmits this IP bag; The match is successful, carries out the B step; B, carry out the coupling of 7 layer protocol rules, coupling is unsuccessful, then handles according to 4 layer services, carries out the C step; The match is successful, handles according to 7 layer services, carries out the C step; C, startup Service Point Trigger logic are initiated authentication request to management platform.
2. the method for claim 1, it is characterized in that: described authentication step comprises: user profile and business information that management platform provides according to the multi-service exchange gateway, carry out user identity, business and order the checking of relation, determine the charge type and the rate information of the authority and the user capture business of user capture business, and inform the multi-service exchange gateway.
3. the method for claim 1, it is characterized in that: the subsequent treatment that described step 4) multi-service exchange gateway carries out according to authenticating result comprises: when authenticating result during for " allowing visit ", the multi-service exchange gateway sends client-requested to service end; When authenticating result was " abandoning ", the multi-service exchange gateway did not send client-requested to service end; When authenticating result was " being redirected ", the multi-service exchange gateway was redirected client to certain page.
4. as claim 1 or 3 described methods, it is characterized in that: the call charge service that allows visit for management platform, the multi-service exchange gateway will send the access service request of client to service end, and carry out real-time tracing and monitoring for follow-up client and the service interaction situation between the service end, the mutual multiple information of statistics both sides, rate information in conjunction with management platform is returned generates original user according to business characteristic and demand and uses professional ticket.
5. method as claimed in claim 4 is characterized in that: when authenticating result is " abandoning ", connect for TCP, send to client and close connection request.
6. the method for claim 1, it is characterized in that: for the http business, if adopt half agent skill group, when described client is sent to the TCP connection request arrival multi-service exchange gateway of service end, the multi-service exchange gateway returns ACK information to client, setting up TCP with it connects, and the http that waits for client obtains request, afterwards for the service request of client, send authentication request to management platform, and whether obtain request to service end transmission TCP connection request and http according to the authenticating result decision of management platform.
7. IP multi-service switching system is characterized in that: comprise client, multi-service exchange gateway, management platform and service end, described client is by multi-service exchange gateway Connection Service end, and described management platform connects the multi-service exchange gateway; When described client is initiated service request to service end, after the multi-service exchange gateway parses the URL information of the entrained source IP of IP bag and source port, purpose IP and destination interface and visit, mate with the business rule that is provided with in the system, identify the call charge service of user capture, initiate authentication request to management platform, wait for the response of management platform, carry out follow-up processing according to authenticating result; For non-call charge service, described multi-service exchange gateway is directly transmitted the IP bag;
The business rule that is provided with in the described system comprises two levels: 3-4 layer protocol rule and 7 layer protocol rules;
Described business rule mates main process and comprises:
A, carry out the coupling of 3-4 layer protocol rule, coupling is unsuccessful, need not carry out subsequent treatment, directly transmits this IP bag; The match is successful, carries out the B step; B, carry out the coupling of 7 layer protocol rules, coupling is unsuccessful, then handles according to 4 layer services, carries out the C step; The match is successful, handles according to 7 layer services, carries out the C step; C, startup Service Point Trigger logic are initiated authentication request to management platform.
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| CN101183952B (en) * | 2007-12-11 | 2010-08-25 | 华为技术有限公司 | Charging method, system and charging trigger gear |
| CN101873332B (en) * | 2010-07-15 | 2013-04-17 | 杭州华三通信技术有限公司 | WEB authentication method and equipment based on proxy server |
| CN103945572A (en) * | 2013-01-18 | 2014-07-23 | 中兴通讯股份有限公司 | Method for processing new business and business server |
| US9473402B2 (en) * | 2013-03-15 | 2016-10-18 | Pismo Labs Technology Limited | Methods and systems for receiving and transmitting internet protocol (IP) data packets |
| CN110830325B (en) * | 2019-11-05 | 2021-05-14 | 北京云杉世纪网络科技有限公司 | Adaptive network bypass path network flow direction speculation method and system |
| CN113904824B (en) * | 2021-09-28 | 2022-11-04 | 贝壳找房(北京)科技有限公司 | Access control method and medium based on zero trust strategy |
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| CN1533543A (en) * | 2001-02-19 | 2004-09-29 | ��˹��ŵ�� | Contrl of billing in communication system |
| CN1717913A (en) * | 2003-08-06 | 2006-01-04 | 松下电器产业株式会社 | Relay server, relay server service management method, service providing system, and program |
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