CN101094224A - Method and system of providing services, access services, logging in and out services - Google Patents
Method and system of providing services, access services, logging in and out services Download PDFInfo
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Abstract
The method for providing service comprises: server sends a registration request carrying the public service ID, physical address and communication service ID; the service registration apparatus gets said public service ID, physical address and communication service ID, and according to their correlated relation, makes mapping and saving; the client side sends a service request to the service registration apparatus; according to the public service ID in the service request, the service registration apparatus confirms the communication service ID and gets the physical address corresponding to said communication service ID, and based on the physical address, routes the service request sent from client side to the relevant server; according to the service request, the sever provides service to the client side.
Description
Technical field
The present invention relates to the communications field, relating in particular to provides service, access services, registration and cancellation service method and system, client, server and service registry device.
Background technology
Along with developing rapidly of service, not only type service is more and more, and also presents multiple communication mode with a kind of service.In 3GPP " Identification of Communication Services inIMS " [3GPP TR 23.816], mention, the identifier of unique identification public service (PSI:PublicService Identifiers) has characterized a service, and the communication mode that this service can provide is represented by communication service communication service (CS).
In existing SIP (Session Initiation Protocol) agreement, adopt following method for the registration of service.An if weather forecast service (service weather by name), it to register device (if register to China Mobile, and the register device of China Mobile is cmcc.com) registration, then should service need to send a registration (REGISTER) message, comprise following information at least:
REGISTER sip:cmcc.com
To：APP<sip:weather@cmcc.com>
Contact：<sip:weather@211.6.6.6>
The service registry device is after receiving register requirement, and the physical address of stores service (sip:weather@211.6.6.6) forms public service identity (sip:weather@cmcc.com), physical address (sip:weather@211.6.6.6) information is right.
Yet, the physical address that service registry only can registration service in the existing Session Initiation Protocol, and can not the registration service communication mode.For example certain weather forecast service, it both can provide the text multimedia message, also can provide the flash multimedia message.For this dual mode, can not judge its difference from the Media Stream aspect, just need provide a public service identity for the service of text multimedia message to communication mode this moment, provide another public service identity to communication mode for the service of flash multimedia message, the service that causes service to be total to the numerous numerous and diverse of public identifier and to register through this kind mode like this, client can not well be selected suitable ways of services supplied.
Summary of the invention
The present invention be intended in the above-mentioned prior art for having the problem that numerous and diverse deficiency in address of service that multiple communication mode service registry causes and client can not well be selected suitable ways of services supplied as required, a kind of service, access services, registration and cancellation service method and system and client, server, service registry device of providing is provided.
A kind of service method that provides provided by the invention, this method comprise the steps: that A, server send the service registry request to the service registry device, carry public service identity, physical address and communication service sign in the described request; B, service registry device obtain described public service identity, physical address and communication service sign, and shine upon storage according to three's incidence relation; C, client send service request to the service registry device, comprise public service identity in the described service request; D, service registry device are confirmed the communication service sign according to described public service identity, the corresponding physical address of obtaining communication service identifiers, and the service request that client is sent is routed to corresponding server according to described physical address, server provides service according to described service request to client.
Preferably, the service registry device stores the strategy that service is provided, confirm among the step D that the communication service sign comprises: D1, service registry device are checked and are carried the communication service sign in the described service request of client, inquire about described log-on message, determine registered communication service sign; Or D2, service registry device check and do not carry the communication service sign in the described service request of client, then determines that according to strategy the communication service corresponding with described public service identity identifies.
Preferably, determine among the step D1 that registered communication service sign comprises: D11, service registry device are inquired about described log-on message, obtain the communication service sign of carrying in the request and having stored, and from the described communication service sign of obtaining, determine the communication service sign; Perhaps, determine the communication service sign according to strategy as not getting access to the corresponding communication service identifiers.
Preferably, this method further comprises: E: server sends the service de-registration request to the service registry device, comprise public service identity and physical address in the described request, the service registry device is determined the corresponding communication service identifiers according to public service identity and physical address, and it is deleted from the log-on message of register device.In addition, the present invention also provides a kind of registration service method, and this method comprises the steps: that A, server send the service registry request to the service registry device, carries public service identity, physical address and communication service sign in the described request; B, service registry device obtain described public service identity, physical address and communication service sign, and shine upon storage according to three's incidence relation.
Preferably, step B may further comprise the steps: B11, judge in the log-on message of register device whether have described public service identity, if direct execution in step B12 is arranged, otherwise, store behind the described public service identity execution in step B12 again; B12, according to the incidence relation mapping described physical address of storage and/or the public service identity of the physical address in the described service registry request and public service identity and communication service sign.
Preferably, step B may further comprise the steps: B21, judge in the log-on message of register device whether have described public service identity, if direct execution in step B22 is arranged, otherwise, store behind the described public service identity execution in step B22 again; B22, judge whether exist in the log-on message of register device described public service identity and with its physical address corresponding, if do not have, execution in step B24 behind the execution in step B3, otherwise direct execution in step B24; B23, according to the described physical address of the incidence relation of physical address in the described service registry request and public service identity mapping storage; B24, according to the described communication service sign of incidence relation mapping storage of the physical address in the described service registry request and public service identity and communication service sign.
In addition, the present invention also provides a kind of method of access services, and this method comprises the steps: that A, client send service request to the service registry device, comprise public service identity in the described service request; B, service registry device are determined the communication service sign according to described public service identity, information in the inquiry service register device is also obtained corresponding physical address, and the service request that client is sent is routed to corresponding server according to described physical address, and server provides service according to described service request to client.Preferably, the service registry device stores the strategy that service is provided, step B determines that the communication service sign comprises: B1, service registry device are checked and are carried the communication service sign in the described service request of client, the log-on message of inquiry service register device, obtain the communication service sign of carrying in the request and having stored, and from the described communication service sign of obtaining, determine the communication service sign; Or, determine the communication service sign according to strategy as not getting access to relevant communication service sign; Or B2, service registry device check and do not carry the communication service sign in the described service request of client, determines the communication service sign according to strategy.
Preferably, determine that according to strategy the communication service sign is specially among the described step B1: determine the communication service sign or communication service signs all in the strategy is returned to client according to strategy by the service registry device, determine that by client the communication service sign returns to the service registry device by the service registry device.
Preferably, obtain physical address among the step B after, also need judge the corresponding a plurality of communication services signs of the physical address that obtained in the log-on message of register device, and in the request of the access services that client is sent, write determined communication service sign.
Preferably, server provides service to be according to described service request to client among the step B: server is designated client according to the communication service in the described service request provides service or server to provide service according to the physical address in the described service request for client.
In addition, the present invention also provides a kind of cancellation service method, and this method may further comprise the steps: A, server send the service de-registration request to the service registry device, comprise public service identity and physical address in the described request; B, service registry device are determined the corresponding communication service identifiers according to described public service identity and physical address, and described communication service sign is deleted from the log-on message of register device.
Preferably, the deleting communication service identifiers may further comprise the steps among the step B: B11, judge whether comprise communication service sign in the described de-registration request, if any the described communication service of deletion sign from the log-on message of register device, otherwise from the log-on message of register device the communication service sign of the described public service identity of deletion and physical address correspondence.
Preferably, step B11 further comprises: public service identity, physical address do not have corresponding communication service sign described in the log-on message of B111, judgement register device, and the physical address described in the log-on message of deletion register device.
Preferably, this method also comprises: public service identity does not have physical address corresponding described in the log-on message of B112, judgement register device, and the public service identity described in the deletion log-on message.
In addition, the present invention also provides a kind of system that service is provided, and this system comprises server, service registry device, client; Described client is used to send asking to the service registry device of the access services that comprises public service identity; Described service registry device is used for the request of the access services sent according to described client and determines the communication service sign that needs use, obtain the physical address of the corresponding service of described communication service sign, and the request of access services is routed to server according to described physical address; Described server is used for providing service according to the request of the access services of receiving of being sent by the service registry device for client.
The present invention also provides a kind of service registry or cancellation system, and this system comprises: server, service registry device; Described server is used to send the register requirement of the physical address that comprises public service identity, service and communication service sign or sends the request of the cancellation service that comprises public service identity; Described service registry device is used for that the communication service sign of register requirement, physical address, public service identity information shone upon storage or is used for deleting the communication service identification information of de-registration request described in the log-on message of register device.
The present invention also provides a kind of service registry device, and this device comprises: service strategy module, communication service processing module, physical address parsing module; Described service strategy module is provided with predetermined service strategy, and when the service registry device received the access services request, the communication service processing module triggered the service strategy module and determines the communication service sign according to service strategy; The communication service sign that described physical address parsing module is used for determining according to the communication service processing module is determined the physical address of the service of required visit.
Preferably, this device also comprises: the service trigger module, the physical address that described service trigger module is determined according to the physical address parsing module triggers service.
The present invention also provides a kind of client, and this client comprises: communication services request module, communication service negotiation module; Described communication services request module is used for generating, add the communication service sign of the request of access services and the request of being sent the access services that contains public service identity by client; Described communication service negotiation module is used to select suitable communication service.
The present invention also provides a kind of server, and described server comprises the communication services request module, is used for generating, adding the communication service sign of login request message or de-registration request message.
Preferably, described server also comprises the service trigger module, and being used for provides service according to the corresponding ways of services supplied of communication service sign triggering of the service access request of being received for client.
By above scheme as can be seen, beneficial effect of the present invention is as follows:
(1) the present invention adopt by with communication service sign and public service identity, physical address information to shining upon storage, make the same service with multiple communication mode only corresponding a public service identity, and can distinguish communication mode, thereby it is numerous and diverse to have solved in the existing Session Initiation Protocol public service identifier, the wasting of resources and the problem that is not easy to management address.
(2) in addition, the present invention sends the service access request that comprises communication service by client, and through the policy selection of service registry device and the capability negotiation of service registry device and client, the communication service that determine to need and trigger the server corresponding communication and serve for client provides service, thus the problem that client in the existing Session Initiation Protocol can not independently be selected the communication for service mode according to same public service identity solved.And make the client of different abilities can select suitable communication for service mode, make things convenient for client to select ways of services supplied as required.
Description of drawings
1. Fig. 1 is the flow chart of a kind of service providing method in the embodiment of the invention.
2. Fig. 2 is for providing the system schematic of service in the embodiment of the invention.
3. Fig. 3 is the flow chart of registration service in the embodiment of the invention.
4. Fig. 4 is physical address register flow path figure in the embodiment of the invention.
5. Fig. 5 is the flow chart of the service of nullifying in the embodiment of the invention.
6. the flow chart of the access services that provides in the embodiment of the invention is provided Fig. 6.
Fig. 7 be among Fig. 6 embodiment access services than detail flowchart.
8. Fig. 8 is the system schematic of access services in the embodiment of the invention.
9. Fig. 9 is the flow chart of registration service in the embodiment of the invention.
10. Figure 10 is the flow chart of the service of nullifying in the embodiment of the invention.
Embodiment
The present invention is further described in more detail below in conjunction with the drawings and specific embodiments.
Realize that a kind of service method that provides is provided basic thought of the present invention, as shown in Figure 1, this method may further comprise the steps:
Step 101, server send the service registry request to the service registry device, carry public service identity, physical address and communication service sign in the described request.
Step 102, service registry device obtain described public service identity, physical address and communication service sign, and shine upon storage according to three's incidence relation.
Step 103, client send service request to the service registry device, comprise public service identity in the described service request.
Step 104, service registry device are confirmed the communication service sign according to described public service identity, inquire about the log-on message of described register device and obtain corresponding physical address, and the service request that client is sent is routed to corresponding server according to described physical address, and server provides service according to described service request to client.
First embodiment:
As shown in Figure 2, the system that service is provided involved in the present invention comprises client, service registry device, server.
Wherein client is the requesting party of access services, is used to ask access services, and can select the communication mode of service.Client comprises communication service CS (Communication Service) negotiation module and CS request module.Described CS request module is used for the communication mode of generation service when sending service access request, promptly adds CS information (as description of communication service sign or other relevant communication service) in request, replenishes as one that generic services is visited.The CS negotiation module is used for consulting the CS ability with the service registry device, to select appropriate C S, satisfies the demand of client.
Server is promptly served the provider, the request that the request that it sends according to the service registry device that receives triggers corresponding communication service (being ways of services supplied) and sends service registry or cancellation to the service registry device.Server comprises the CS trigger module, and the CS information that is used for the service access request sent according to the service registry device triggers corresponding C S provides service.It also comprises the CS request module, is used for service registry, log off procedure, adds CS information and generates a CS registration, de-registration request.The service registry device is used to requests such as the registration of the service that receives and cancellation, address resolution.It is used to receive the service access request of client and amended request is routed to the server triggers corresponding communication service that provides is provided as the bridge of client and server.The service registry device comprises CS processing module, physical address parsing module and service strategy module.Wherein, the service strategy module is provided with predetermined service strategy, is used to cooperate communication service processing module and physical address parsing module to determine the physical address of communication service and service.When the service registry device received the access services request, the CS processing module triggered the service strategy module and determines the communication service sign according to service strategy; The communication service sign that the physical address parsing module is used for determining according to the communication service processing module is determined the physical address of the service of required visit.
In addition, the service registry device also is used for shining upon the relevant information of storage registration service request, as public service information (PS:Public service), physical address information and communication service information.Or the relevant information in the deletion de-registration request.Wherein the log-on message of service registry device is as shown in the table:
| Public service information | Physical address information | Communication service information |
| PSI_1 | Physical address _ 11 | CSI_111 |
| …… | ||
| CSI_11n | ||
| …… | ||
| Physical address _ 1n | ||
| …… | ||
| PSI_n |
Wherein, the all corresponding public service identifier of each physical address, public service identifier can corresponding a plurality of physical addresss, the corresponding public service identifier of communication service sign, physical address information are right, and public service identifier, physical address information are to can corresponding a plurality of communication services signs.
The present invention can use Session Initiation Protocol to realize, the ability of expansion SIP.CS information can be used as the part of sip address, also can be used as a message header of Session Initiation Protocol, also can be placed on the message body interior (for example being placed in service describing agreement (Service Description Protocal is called for short the SDP :) information) of SIP.Example is as follows:
INVITE sip:weather@cmcc.com；CSI＝csiexample
Or
INVITEsip:weather@cmcc.com
CSI-Contact：csiexample
Or
INVITE sip:weather@cmcc.com
Z:csiexample (this csi just places SDP, and z has just represented csi capable, and z can be the parameter line of existing CDP but increase new implication that perhaps z can be a brand-new parameter line)
Referring to Fig. 3, the flow process of service registry is as follows:
Step 301: server sends communication service CS (CommunicationService) register requirement to the service registry device, wherein register requirement comprises public service identity (Public ServiceIdentification, be called for short PSI), communication service sign (Communication ServiceIdentification, be called for short CSI) and serve concrete physical address, wherein the information that CS is relevant in the request (as the communication service sign) is added by the CS request module of server, it can add CS information in common request, show that with this this request is the CS register requirement.
Whether step 302: judging has in the service registry device and described public service identity physical address corresponding.Whether the service registry device is inquired about in log-on message according to the PSI information received and has been existed this PSI and physical address information right.If do not exist, show that physical address has not yet registered, and execution in step 303; Otherwise execution in step 304.
Step 303: start the physical address register flow path, in incidence relation mapping storage described physical address and the PSI information of service registry device according to the PSI in the register requirement and physical address, formation physical address, PSI information are right.
Step 304: storage and PSI, physical address information form PSI, physical address, CSI information tlv triple to corresponding CSI.The service registry device is stored described CSI according to the incidence relation of PSI, physical address and CSI in the service registry request of receiving, forms PSI, physical address, CSI information tlv triple.
For example: weather forecast service weather is to China Mobile's service registry device registration, this service support text SMS mode (sm) and multimedia message mode (mm), wherein sm and mm are CSI, if use Session Initiation Protocol, suppose that herein CSI information is carried on the address, flow process is as follows.
Weather forecast service weather sends registration (register) message to the service registry device, in log-on message, destination address " To " header field value is public service identity PSI (sip:weather@cmcc.com), " Contact " header field value is the concrete physical address (sip:weather@211.6.6.6) of service, and " CSI " parameter value is communication service sign CSI.CS request module by server increases csi field and is used for showing that this is the CS register requirement in " Contact ".Sip message comprises following information at least:
Register SIP:cmcc.com
To：weather<sip:weather@cmcc.com>
Contact：<sip:weather@211.6.6.6>；CSI＝”sm，mm”
The service registry device is right according to information inquiry PSI (sip:weather@cmcc.com), physical address (sip:weather@211.6.6.6) information received.At first in the PSI information column, search sip:weather@cmcc.com, do not exist this information right if do not exist this PSI information then to show; As if there being this PSI information, then in this PSI information physical address corresponding Information, search sip:weather@211.6.6.6, if not existing this physical address information then to show does not exist this information right, show that then this information of existence is right if exist.
If it is right with physical address information to can not find out this PSI, then physical address (sip:weather@211.6.6.6) is written on PSI (sip:weather@cmcc.com) physical address corresponding Information, formation PSI and physical address information is right.If in the PSI information column, there has been sip:weather@cmcc.com, then only need in its pairing physical address information column, to increase sip:weather@211.6.6.6; If in the PSI Information, there is not sip:weather@cmcc.com, then need in the PSI Information, increase a sip:weather@cmcc.com newly, then only need then in its pairing physical address information hurdle, to increase sip:weather@211.6.6.6
The service registry device is according to the incidence relation of the PSI in the register requirement, physical address and CSI, write CSI information in PSI, the CSI Information of physical address information to correspondence, promptly increase the communication for service identifier in the pairing CSI information column of the sip:weather@211.6.6.6 under sip:weather@cmcc.com, as sm, mm, to form PSI, physical address, CSI information tlv triple.
After the registration, log-on message contains following content at least.
| PSI information | Physical address information | CSI information |
| sip:weather@cmcc.com | sip:weather@211.6.6.6 | sm |
| mm | ||
| …… |
Referring to Fig. 4, the physical address register flow path is as follows:
Step 401: judge whether public service identity is arranged in the service registry device.The service registry device is according to PSI information and the physical address information received, and whether inquiry has existed described public service identity.If do not exist, and execution in step 402 back execution in step 403; Otherwise direct execution in step 403.
Step 402: store described PSI information.
Step 403: judged whether that described PSI and physical address information are right.If any direct execution in step 405 then, otherwise execution in step 405 again after the first execution in step 404.
Step 404: according to the described physical address information of the incidence relation of PSI in the register requirement and physical address mapping storage, form described PSI, physical address information is right.
Step 405: the register flow path that finishes physical address.
The service cancellation method
Referring to Fig. 5, if after certain service can not provide, the PSI, the physical address information that need to serve are deleted in the service registry device; If behind deletion PSI and the physical address, then need and with this PSI, physical address information the CSI of correspondence to be deleted.The flow process that service is nullified is as follows:
Step 501: service request is nullified.Server sends de-registration request to the service registry device, and wherein log-off message carries the physical address of service public service identifier PSI and service.Nullify if this service is selected as CS, then the CS request module by server provides corresponding C S information, promptly adds CSI information in request.
Step 502: judge whether to nullify into CS.The service registry device is judged and whether is carried CSI information in the de-registration request according to the service de-registration request that receives, if there is not CSI information, is indicated as common cancellation, execution in step 504.Otherwise for CS nullifies, and execution in step 503.
Step 503: the service registry device is deleted the CSI information in described PSI, physical address and the CSI information tlv triple according to de-registration request, and execution in step 506, promptly finishes logout flow path.
Step 504: service nullify device according to PSI, physical address information in the de-registration request to this information in the deletion register device to all CSI information of correspondence.
Step 505: the service registry dress is registered the physical address information of information centering described in the log-on message of adorning to deletion according to the PSI in the described de-registration request, physical address information.As the only corresponding described physical address of this PSI, then this physical address and PSI information are deleted in the lump.Otherwise only need delete this physical address, and execution in step 506, logout flow path promptly finished.
If service weather nullifies to cmcc.com, wherein uses Session Initiation Protocol, flow process is as follows.
1. service weather sends de-registration request to the service registry device, think the CSI (mm) of CSI (mm), PSI (sip:weather@cmcc.com), physical address (sip:weather@211.6.6.6) tlv triple, then need to send the SIP log-out instruction and comprise following content at least.CS request module by server increases the CS field and is used for showing that this is the CS de-registration request in contact.
Register SIP:cmcc.com
To：weather<sip:weather@cmcc.com>
Contact：<sip:weather@211.6.6.6>；CSI＝”mm”
Expires：0
2. the service registry device judges that according to the csi field in the message this time nullifying is that CS nullifies.
3. the service registry device will be deleted the mm in mm, PSI (sip:weather@cmcc.com), physical address field (sip:weather@211.6.6.6) triplet information.
After the cancellation, the log-on message of register device is as follows:
| PSI information | Physical address information | CSI information |
| sip:weather@cmcc.com | sip:weather@211.6.6.6 | sm |
| …… |
If service weather wants to nullify its certain physical address, then flow process is as follows.
1. service weather sends de-registration request to the service registry device, wants to nullify PSI (sip:weather@cmcc.com) physical address corresponding (sip:weather@211.6.6.6), then needs to send the SIP log-out instruction and comprises following content at least.
Register SIP:cmcc.com
To：APP<sip:weather@cmcc.eom>
Contact：<sip:weather@211.6.6.6>
Expires：0
2. the service registry device does not judge it this time is common cancellation according to not carrying csi field in the message.
3. the service registry device is right according to PSI (sip:weather@cmcc.com), physical address (sip:weather@211.6.6.6) information, the deletion with this information to corresponding CSI information.
4. the service registry device is according to PSI (sip:weather@cmcc.com) and physical address (sip:weather@211.6.6.6) information, at this physical address information.If PSI (sip:weather@cmcc.com) only to should physical address (sip:weather@211.6.6.6), then deletes this physical address and PSI information in the lump, otherwise only deletes this physical address.
The method of access services
Service through registration after, in client-access when service,, the service registry device is resolved PSI, and the CSI in the request is handled and selects to determine that appropriate C S provides service.The basic thought of client-access service is carried out following steps as shown in Figure 6: step 601, client send service request to the service registry device, comprise public service identity in the described service request;
Step 602, service registry device are confirmed the communication service sign according to described public service identity, the log-on message of inquiry and registration device obtains corresponding physical address, and the service request that client is sent is routed to corresponding server according to described physical address, server provides service according to described service request to client.
Wherein, the idiographic flow of client-access service is referring to Fig. 7:
Step 701: client is used the PSI access services, and sends the service access request of carrying PSI to the service registry device.If client is selected certain CS access services, then in request, add CS information (comprising CSI at least) by the CS processing module, send the request of the access services that comprises PSI and CSI then to the service registry device by client.Certainly, client also can not specified any CS, and only uses the PSI access services.
Step 702: whether carry CSI information in the service access request that the CS processing module inspection client of service registry device is sent.If have, execution in step 703, otherwise execution in step 706;
Step 703:CS processing module is according to the log-on message in the PSI inquiry service register device in the access services request, obtain stored and request in the CS information of also carrying, and execution in step 704; If do not get access to corresponding C S information, then execution in step 705;
Step 704:CS processing module provides service and execution in step 706 according to accessed CS Information Selection appropriate C S.Two kinds of selection modes are wherein arranged herein:
A: selected by the service registry device: the strategy that the CS processing module provides according to the service strategy module, described strategy select an appropriate C S that service is provided for writing the CS processing module in advance.
B: consult to select by client.At this moment, the CS processing module returns to client with the CS information of being obtained, and the CS processing module of client is selected an appropriate C S according to client demand, and this CS is returned to the CS processing module of register device.
The strategy that step 705:CS processing module provides according to the service strategy module selects an appropriate C S that service is provided, and execution in step 706:
Step 706: the physical address parsing module obtains physical address.According to selected definite CSI and PSI, inquiry obtains relevant PSI, physical address information, the tabulation of CSI tlv triple, and the physical address parsing module is selected an appropriate information tlv triple according to determined CSI, obtains the physical address in this tlv triple.
Step 707: the destination address PSI information in the request that the service registry device sends client replaces with the physical address of service, CS information in the request that client is sent replaces with selected definite CS information, and according to physical address information amended request is routed to server.
Step 708: the CS information in the access request that the CS trigger module of server sends according to register device is that CSI provides service for client.
If for the weather forecast business following content is arranged in the service registry device:
| PSI information | Physical address information | CSI information |
| sip:weather@cmcc.com | sip:weather@211.6.6.6 | sm |
| mm | ||
| …… |
If weather forecast service weather has following strategy in the service strategy module of register device, these strategies are for being stored in the service registry device in advance.
1. if do not carry the available CS information of service in the request, then provide the CS that passes through, promptly the sm mode provides service.
2. serve available CS information as if carrying in the request, and a CS is only arranged, then directly provide service according to this CS.
3. if carry the available CS information of service in the request, and when a plurality of CS is arranged, then select CS according to network condition: if the roomy mm that then selects of Netowrk tape, if the little sm that then selects of the network bandwidth, if the unclear CS information of then returning of the network bandwidth is selected by the user.
4. if a service has a physical address that satisfies condition, then directly choose this physical address; If this service has a plurality of physical addresss that satisfy condition, then select a suitable physical address according to the region nearby principle.
So, the flow process of whole service access is as follows:
A. client-access weather service request, service registry device be according to request and policy selection CSI promptly: " sm "
B. the service registry device is according to the public identifier sip:weather@cmcc.com of communication service sign sm and weather, obtaining the triplet information of sip:weather@cmcc.com, sip:weather@211.6.6.6 and sm, is sip:weather@211.6.6.6 so the service registry device is selected the physical address of weather according to strategy 4.
The service registry device is routed to server according to the physical address sip:weather@211.6.6.6 of weather with access request, wherein carries the CSI information " sm " of service.
C:weather is that the sm mode provides service to client according to CSI information with short message way.
For the A step in the flow process, following multiple situation can be arranged.
First kind of situation: a plurality of CSI information that have service to support in user's request, and the network bandwidth is unclear, carries out following steps this moment:
1. client-requested visit weather service, and select sm and two kinds of access modes of mm as a reference, then client transmission access message is as follows, and wherein csi field is added by client CS processing module
INVITE sip:weather@cmcc.com；CSI＝“sm，mm”
2.CS judging according to csi field, processing module carries CSI information in this request
3.CS processing module is obtained the CSI that carries in the request and be stored in the service registry device according to the CSI information in the request.Because sm, mm are all supported in this service,, trigger the 3rd strategy of service strategy module so the CSI information of being obtained comprises sm, mm information.
4. because the network bandwidth is unclear, the service registry device returns to client with the CSI information list and selects.
5. the CS negotiation module of supposition client is selected the sm mode.
6. the CS processing module of service registry device is determined the sm mode according to the selection of client.
Second kind of situation: a plurality of CSI information that have service to support in user's request, and the network bandwidth is relatively poor, carries out following steps this moment:
1. client-requested visit weather service, and select sm and two kinds of access modes of mm as a reference, then client transmission access message is: INVITE sip:weather@cmcc.com; CSI=" sm, mm "; Wherein csi field is added by the CS processing module.
2.CS judging according to csi field, processing module carries CSI information in this request
3.CS processing module is obtained the CSI that carries in the request and be stored in the service registry device according to the CSI information in the request.Because sm, mm are all supported in this service,, trigger the 3rd strategy of service strategy module so the CSI information of being obtained comprises sm, mm information.
4. because the network bandwidth is relatively poor, the CS processing module of service registry device is according to policy selection sm mode.
The third situation: a CSI information that has service to support in user's request, carry out following steps this moment:
1. client-requested visit weather service, and select sm and two kinds of access modes of tel (Advise By Wire) as a reference, then client transmission access message is: INVITE sip:weather@cmcc.com; CSI=" sm, tel "; Wherein csi field is added by client CS processing module.
2.CS judging according to csi field, processing module carries CSI information in this request.
3.CS processing module is obtained the CSI that carries in the request and be stored in the service registry device according to the CSI information in the request.Because the mode of sm is only supported in this service,, trigger the second strategy of service strategy module so the CSI information of being obtained only comprises sm information.
4. the CS processing module of service registry device is according to policy selection sm mode.
The 4th kind of situation: do not carry any CSI information in user's request, carry out following steps this moment:
1. any CS information is not carried in client-requested visit weather service.
INVITE sip:weather@cmcc.com
Do not carry CSI information in this request 2.CS processing module is judged according to no csi field in the information, article one dress that triggers the service strategy module omits.
3. the CS processing module of service registry device is according to policy selection sm mode.
The 5th kind of situation: carry CSI information in user's request, can not support, carry out following steps this moment but serve:
1. client-requested visit weather service, and select the tel access mode as a reference, then client transmission access message is as follows, and wherein csi field is added by client CS processing module
INVITE sip:weather@cmcc.com；CSI＝“tel”
2.CS judging according to csi field, processing module carries CSI information in this request.
3.CS processing module is obtained the CSI that carries in the request and be stored in the service registry device according to the CSI information in the request.Because this is served this service and can not support tel, so can not obtain corresponding C SI information.Trigger article one strategy of service strategy module.
4. the CS processing module of service registry device is according to policy selection sm mode.
Second embodiment
Realize second embodiment of the invention access services system as shown in Figure 8, this system comprises client, service registry device, server.
Different with access services system among first embodiment is, the service registry device is except comprising CS processing module, physical address parsing module and three modules of service strategy module, also comprise the service trigger module, according to physical address after resolving and corresponding communication service sign, trigger corresponding service, the request after being about to upgrade is routed to corresponding server.
The log-on message of weather forecast service in service unit is as shown in the table:
| Public service information | Communication service information | Physical address information |
| Weather forecast | Multimedia message | Physical address 1 |
| Note | Physical address 2 | |
| …… | ||
| PSI_n |
Wherein, each communication service sign all corresponds to a public service identifier, a public service identifier can identify in corresponding a plurality of communication services, the corresponding public service identifier of physical address, communication service identification information are right, form public service identifier, physical address and public service identity tlv triple.
By above scheme as can be seen, present embodiment forms the information tlv triple by the described CSI of incidence relation mapping storage, physical address, PSI information according to the CSI in the register requirement, physical address, PSI equally, make the multiple communication mode correspondence of same service a public service identity, and can the Differentiated Services presentation mode.But in the present embodiment, server does not need to trigger corresponding ways of services supplied according to communication identifier, but the service registry device is triggered on the resource that the unique service provider is only arranged according to the information that communication service identifies.
In addition, the function that realized of the CS processing module of service registry device, physical address processing module and service strategy module realizes that with the corresponding module among first embodiment function is identical.
Corresponding therewith, just do not need to trigger the service trigger module that corresponding CS provides service in the server, and include only the CS request module, be used for service registry, log off procedure, add CS information (comprising the communication service sign) and generate a CS registration, de-registration request.
Corresponding therewith, the flow process of registration service is carried out following steps as shown in Figure 9:
Step 901: service is registered to service registry device request CSI, log-on message comprises public identifier PSI, the communication service identifier CSI of service and serves concrete physical address, wherein the information that CS is relevant in the request is provided by the CS processing module of server, it can add CS information in common request, show that with this this request is the CS register requirement.
Step 902: the service registry device shines upon storage according to the incidence relation of the CSI in the register requirement, PSI to described CSI, PSI information, and form CSI, PSI information is right.At this moment, inquire about the PSI information that whether has in the service registry request by the service registry device, described CSI information formation PSI is stored in mapping according to the incidence relation in the register requirement, CSI information is right if any then only needing; Otherwise according to the described PSI of the mapping storage of the incidence relation in the register requirement, CSI information, with form PSI, CSI information is right.
Step 903: the service registry device is deposited described physical address according to the incidence relation in the register requirement, forms CSI, PSI, physical address information tlv triple.
Corresponding therewith, the flow process of cancellation service is carried out following steps as shown in figure 10:
Step 1001: service request is nullified.Server sends de-registration request to the service registry device, and wherein log-off message carries service public service identifier PSI and the concrete physical address of service.Nullify if this service is selected as CS, then the CS request module by server provides corresponding C S information, promptly adds CSI information in request.
Step 1002: judge whether to nullify into CS.The service registry device is judged and whether is carried CSI information in the de-registration request according to the service de-registration request that receives, if there is not CSI information, is indicated as common cancellation, execution in step 1004.Otherwise for CS nullifies, and execution in step 1003.
Step 1003: the service registry device stored according to CSI, PSI deletion in the de-registration request with described CSI, PSI physical address corresponding information, and the deletion described CSI, the CSI information of PSI information centering that have stored.The service registry device is judged the only corresponding described CSI information of the PSI correspondence in the request, then deletes this PSI information in this way, and finishes the logout flow path of service.
Step 1004: service registry device deletion and all corresponding CSI information of PSI in the described de-registration request, and delete and this CSI, PSI information to physical address corresponding information.
The method of access services
Among this embodiment among the method for access services and first embodiment method of access services basic identical, only introduce different steps below, omit other step identical with the method for access services among first embodiment.Its concrete difference is embodied in, and the step 706-step 708 among first embodiment is replaced by following steps respectively;
The physical address parsing module obtains with this PSI, CSI information physical address corresponding according to selected CSI and PSI.
The physical address that destination address PSI information during the service registry device will be asked replaces with service is the physical address that the physical address parsing module obtains in the previous step, and the service registry device is routed to server according to the information of physical address with the request of access services.
Server provides service according to physical address for client.
By above scheme as can be seen, the present invention makes the multiple communication mode correspondence of same service the public identifier of a service by PSI, physical address, CSI information being shone upon storage to form triplet information.In addition, the present invention sends the request of communication service by client, and routes requests to server by the service registry device, provides service thereby trigger the respective communication service, makes client can select the communication mode of serving.Certainly, can support this to examine case in order to make Session Initiation Protocol, the present invention also needs Session Initiation Protocol is expanded to some extent, promptly increases csi field in existing Session Initiation Protocol, comprises the method for registration, cancellation and the access services of above-mentioned CSI.
Certainly, the above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (23)
1. one kind provides service method, it is characterized in that this method comprises the steps:
A, server send the service registry request to the service registry device, carry public service identity, physical address and communication service sign in the described request;
B, service registry device obtain described public service identity, physical address and communication service sign, and shine upon storage according to three's incidence relation;
C, client send service request to the service registry device, comprise public service identity in the described service request;
D, service registry device are confirmed the communication service sign according to described public service identity, the corresponding physical address of obtaining communication service identifiers, and the service request that client is sent is routed to corresponding server according to described physical address, server provides service according to described service request to client.
2. a kind of service method that provides as claimed in claim 1 is characterized in that the strategy that the service registry device stores provides service, confirms among the step D that the communication service sign comprises:
D1, service registry device are checked and are carried the communication service sign in the described service request of client, inquire about described log-on message, determine registered communication service sign; Or
D2, service registry device are checked and are not carried the communication service sign in the described service request of client, then determine the communication service sign corresponding with described public service identity according to strategy.
3. a kind of service method that provides as claimed in claim 2 is characterized in that determining among the step D1 that registered communication service sign comprises:
D11, service registry device are inquired about described log-on message, obtain the communication service sign of carrying in the request and having stored, and determine the communication service sign from the described communication service sign of obtaining; Perhaps, determine the communication service sign according to strategy as not getting access to the corresponding communication service identifiers.
4. a kind of service method that provides as claimed in claim 1 is characterized in that this method further comprises:
E: server sends the service de-registration request to the service registry device, comprise public service identity and physical address in the described request, the service registry device is determined the corresponding communication service identifiers according to public service identity and physical address, and it is deleted from the log-on message of register device.
5. a registration service method is characterized in that, this method comprises the steps:
A, server send the service registry request to the service registry device, carry public service identity, physical address and communication service sign in the described request;
B, service registry device obtain described public service identity, physical address and communication service sign, and shine upon storage according to three's incidence relation.
6. registration service method as claimed in claim 5 is characterized in that step B may further comprise the steps:
B11, judge in the log-on message of register device whether have its service identifiers of described public affairs, if direct execution in step B12 is arranged, otherwise, store behind the described public service identity execution in step B12 again;
B12, according to the incidence relation mapping described physical address of storage and/or the public service identity of the physical address in the described service registry request and public service identity and communication service sign.
7. registration service method as claimed in claim 5 is characterized in that step B may further comprise the steps:
B21, judge in the log-on message of register device whether have described public service identity, if direct execution in step B22 is arranged, otherwise, store behind the described public service identity execution in step B22 again;
B22, judge whether exist in the log-on message of register device described public service identity and with its physical address corresponding, if do not have, execution in step B24 behind the execution in step B3, otherwise direct execution in step B24;
B23, according to the described physical address of the incidence relation of physical address in the described service registry request and public service identity mapping storage;
B24, according to the described communication service sign of incidence relation mapping storage of the physical address in the described service registry request and public service identity and communication service sign.
8. the method for an access services is characterized in that this method comprises the steps:
A, client send service request to the service registry device, comprise public service identity in the described service request;
B, service registry device are determined the communication service sign according to described public service identity, information in the inquiry service register device is also obtained corresponding physical address, and the service request that client is sent is routed to corresponding server according to described physical address, and server provides service according to described service request to client.
9. the method for access services as claimed in claim 8 is characterized in that the strategy that the service registry device stores provides service, and step B determines that the communication service sign comprises:
B1, service registry device are checked and are carried the communication service sign in the described service request of client, the log-on message of inquiry service register device, obtain the communication service sign of carrying in the request and having stored, and from the described communication service sign of obtaining, determine the communication service sign; Or, determine the communication service sign according to strategy as not getting access to relevant communication service sign; Or
B2, service registry device are checked and are not carried the communication service sign in the described service request of client, determine the communication service sign according to strategy.
10. the method for access services as claimed in claim 9, it is characterized in that, determine that according to strategy the communication service sign is specially among the described step B1: determine the communication service sign or communication service signs all in the strategy is returned to client according to strategy by the service registry device, determine that by client the communication service sign returns to the service registry device by the service registry device.
11. the method for access services as claimed in claim 8, after it is characterized in that obtaining physical address among the step B, also need judge the corresponding a plurality of communication service signs of the physical address that is obtained in the log-on message of register device, and in the request of the access services that client is sent, write determined communication service sign.
12. the method for access services as claimed in claim 11 is characterized in that server provides service to be according to described service request to client among the step B: server is designated client according to the communication service in the described service request provides service or server to provide service according to the physical address in the described service request for client.
13. nullify service method, it is characterized in that this method may further comprise the steps for one kind:
A, server send the service de-registration request to the service registry device, comprise public service identity and physical address in the described request;
B, service registry device are determined the corresponding communication service identifiers according to described public service identity and physical address, and described communication service sign is deleted from the log-on message of register device.
14. cancellation service method as claimed in claim 13 is characterized in that the deleting communication service identifiers may further comprise the steps among the step B:
B11, judge whether comprise communication service sign in the described de-registration request, if any the described communication service of deletion sign from the log-on message of register device, otherwise from the log-on message of register device the communication service sign of the described public service identity of deletion and physical address correspondence.
15. cancellation service method as claimed in claim 14 is characterized in that step B11 further comprises:
Public service identity, physical address described in the log-on message of B111, judgement register device do not have corresponding communication service sign, and the physical address described in the log-on message of deletion register device.
16. cancellation service method as claimed in claim 15 is characterized in that this method also comprises:
Public service identity does not have physical address corresponding described in the log-on message of B112, judgement register device, and the public service identity described in the deletion log-on message.
17. the system that service is provided is characterized in that this system comprises server, service registry device, client;
Described client is used to send asking to the service registry device of the access services that comprises public service identity;
Described service registry device is used for the request of the access services sent according to described client and determines the communication service sign that needs use, and obtains the physical address of the corresponding service of described communication service sign, and according to
Described physical address is routed to server with the request of access services;
Described server is used for providing service according to the request of the access services of receiving of being sent by the service registry device for client.
18. service registry or cancellation system is characterized in that this system comprises: server, service registry device;
Described server is used to send the register requirement of the physical address that comprises public service identity, service and communication service sign or sends the request of the cancellation service that comprises public service identity;
Described service registry device is used for that the communication service sign of register requirement, physical address, public service identity information shone upon storage or is used for deleting the communication service identification information of de-registration request described in the log-on message of register device.
19. a service registry device is characterized in that this device comprises: service strategy module, communication service processing module, physical address parsing module;
Described service strategy module is provided with predetermined service strategy, and when the service registry device received the access services request, the communication service processing module triggered the service strategy module and determines the communication service sign according to service strategy;
The communication service sign that described physical address parsing module is used for determining according to the communication service processing module is determined the physical address of the service of required visit.
20. as the service registry device that claim 19 is stated, it is characterized in that this device also comprises: the service trigger module, the physical address that described service trigger module is determined according to the physical address parsing module triggers service.
21. a client is characterized in that this client comprises: communication services request module, communication service negotiation module;
Described communication services request module is used for generating, add the communication service sign of the request of access services and the request of being sent the access services that contains public service identity by client;
Described communication service negotiation module is used to select suitable communication service.
22. a server is characterized in that described server comprises the communication services request module, is used for generating, adding the communication service sign of login request message or de-registration request message.
23. server as claimed in claim 22 is characterized in that described server also comprises the service trigger module, being used for provides service according to the corresponding ways of services supplied of communication service sign triggering of the service access request of being received for client.
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| CN200610100948XA CN101094224B (en) | 2006-06-22 | 2006-07-29 | Method and system of providing services, access services, logging in and out services |
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