CN100384110C - SyncML synchronous request reorienting method - Google Patents
SyncML synchronous request reorienting method Download PDFInfo
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- CN100384110C CN100384110C CNB2004100741062A CN200410074106A CN100384110C CN 100384110 C CN100384110 C CN 100384110C CN B2004100741062 A CNB2004100741062 A CN B2004100741062A CN 200410074106 A CN200410074106 A CN 200410074106A CN 100384110 C CN100384110 C CN 100384110C
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Abstract
The present invention provides a SyncML synchronous request redirecting method. The present invention comprises the following procedures that a user terminal transmits a SyncML synchronous request message; the synchronous request message is transmitted to a center personal information management platform; the center personal information management platform analyzes the SyncML synchronous request message and obtains a cell phone number of a user; a uniform resource locator of the personal information management platform in which the user terminal is attributed is obtained according to the cell phone number of the user; HTTP connection is established with the personal information management platform in which the user terminal is attributed, and the synchronous request of the user terminal is forwarded; the center personal information management platform obtains SyncML response from the personal information management platform in which the user terminal is attributed, and then, the SyncML response is returned to the user terminal; the user terminal obtains the uniform resource locator of the personal information management platform for processing the next SyncML synchronous request from the SyncML response, and the uniform resource locator interacts the synchronous process with the personal information management platform in which the user terminal is attributed.
Description
Technical field
The present invention relates to the communication technology, the data sync that it is particularly related between the service of mobile communication equipment and network, be concretely a kind of SyncML synchronization request message reset to method.
Background technology
SyncML is the synchronous standard of wireless data of Open Mobile Alliance (OMA) definition.Because the SyncML iniative of industry group has created in order to work out the standard specification that can realize data sync in personal information and the enterprise between a plurality of platforms and network in IBM, Nokia (Nokia), companies such as Palm, Psion in February, 2000.The purpose of the exploitation synchronous standard of wireless data (SyncML) is, make terminal use, equipment development merchant, basic component developer, metadata provider, application software developer and service provider's collaborative work, the real any terminal equipment of use of realizing all can be visited any network data whenever and wherever possible.This is organized in has issued SyncML V1.0 standard in December, 2002, and this standard has developed into V1.1.2 at present, and the V1.2 draft is solicited opinions.
Typical case's application of SyncML is the data sync between mobile device and the network service.In addition, SyncML also can be used for the data sync of equity, between two PC.As shown in Figure 1: through after the parameter negotiation in synchronous initiation stage, client terminal and server send the data that change separately mutually, to guarantee both sides' data synchronization.
A typical network environment in the practice as shown in Figure 2.In the existing network environment, terminal equipment does not directly link to each other with the SyncML server, but disposes WAP (wireless application protocol) (Wap) gateway as acting server (HTTP Proxy) between terminal and server.Insert for unified, the uniform resource locator (URL) of all unified configuration personal information management (PIM) of all mobile phone terminals national centre is http://pim.xxx.com for example, under the situation of using the Wap gateway as the agency, the interaction flow between each equipment as shown in Figure 3:
1) mobile phone terminal is initiated the synchronous initiation request, by Gateway GPRS Support Node (GGSN) access network;
2) GGSN sends to acting server Wap gateway with the synchronous initiation request:
2.1Wap gateway gets access to user's phone number, the data of form (Enum) server sends query requests to adopting e.164, obtains the URL of user attaching PIM platform.
2.2Wap gateway is forwarded to user attaching PIM platform processes with user's synchronization request, is transmitted to GGSN after obtaining response, final response sends to mobile phone terminal.
3) mobile phone terminal gets access to from SyncML response and handles the URL of the PIM server of SyncML synchronization request next time, directly being carried out by mobile phone terminal and PIM server alternately of synchronizing process afterwards.
And in the terminal of the band SyncML synchronizing function of selling on the market, not all SyncML client software all support by the Wap gateway as agency, such as V303, the CX65 of Siemens, the P908 of Sony Ericsson etc. of Motorola.Just inapplicable to these redirection scheme above mobile phone.
As shown in Figure 4, be a scheme of prior art, it is set up the IP address that domain name http://pim.xxx.com is mapped to PIM national centre name server (DNS) and resolves:
1) mobile phone terminal is initiated the synchronous initiation request, by the GGSN access network.
2) get access to the IP address in the PIM whole nation by dns resolution, user's synchronization request is forwarded to national centre.
2.1 national centre resolves SyncML message, from SyncML message＜Cred field obtains user name (user name is configured to phone number) here, sends query requests to the Enum server, obtains the URL of user attaching PIM platform.Wherein＜and Cred〉be the field that comprises authentication information (username and password) in the SyncML message.
3) PIM national centre returns the HTTP redirection request to GGSN, and GGSN is transmitted to mobile phone terminal with the HTTP redirection request.The URL that comprises user attaching PIM platform in the HTTP redirection request.
4) mobile phone terminal resends the synchronous initiation request according to the destination address in the redirect request, and follow-up synchronous interaction is directly mutual by terminal and ownership PIM platform.
The shortcoming of the prior art scheme is:
1) do not carry authentication information in the initialization request that the part mobile phone is initiated, promptly do not comprise＜Cred field, national centre just can't get access to user name so, can't inquire the URL of user attaching PIM platform from E.164 Number server.
2) have only the part mobile phone to support HTTP redirection, such as: 6108,6230,6600,7200 of Nokia, the CX65 of Siemens etc.The part mobile phone is not supported HTTP redirection, such as: the SX1 of the A768 of Motorola, Nokia 3650, Siemens etc.In supporting the mobile phone of HTTP redirection, 6820,7200 etc. of Nokia can pop-up window, and prompting user request will be redirected to new address, and whether the inquiry user connects.The user has just known the address of real PIM server like this, and user experience is bad, and has potential safety hazard.
Summary of the invention
The objective of the invention is to, the method that provides a kind of SyncML synchronization request message to be redirected is not so that send first＜Cred〉mobile phone of field also can normally use the PIM business; And make the also correct PIM platform of access belonging of mobile phone of not supporting HTTP redirection.
Technical scheme of the present invention is: the method that a kind of SyncML synchronization request message is redirected, and it may further comprise the steps:
Client terminal is initiated the SyncML synchronization request message;
Described SyncML synchronization request message is sent to central personal information management (PIM) platform; Described central PIM platform is resolved the SyncML synchronization request message, gets access to subscriber phone number, obtains the uniform resource locator (URL) of the PIM platform that described client terminal belongs to according to described subscriber phone number;
Described central PIM platform is set up HTTP with the PIM platform that described client terminal is belonged to and is connected, and transmits the SyncML synchronization request message of client terminal to the PIM platform that described client terminal belonged to;
Described central PIM platform obtains the SyncML response from the personal information management platform that described client terminal belonged to, and then this SyncML response is returned to described client terminal;
Described client terminal gets access to from SyncML response and handles the uniform resource locator of the personal information management platform that described client terminal belonged to of SyncML synchronization request message next time, and directly carries out the mutual of synchronizing process with PIM platform that described client terminal is belonged to.
Wherein, in described central PIM platform is resolved the step of SyncML synchronization request message, comprise: from＜Cred field obtains the step of authentication information.
Wherein, in described central PIM platform is resolved the step of SyncML synchronization request message, comprise: judge whether described SyncML synchronization request message includes＜Cred the step of field;
If described SyncML synchronization request message includes＜Cred〉field, then proceed subsequent step;
If described SyncML synchronization request message does not comprise＜Cred〉field, then described central PIM platform generates the SyncML response, and this SyncML response is returned to described client terminal;
Described client terminal contains＜Cred according to the SyncML of central PIM platform response retransmitted packet〉the SyncML synchronization request message of field.
Wherein, described SyncML synchronization request message is by the Gateway GPRS Support Node access network; Described described SyncML synchronization request message is sent to a central personal information management platform, described central personal information management platform is resolved the SyncML synchronization request message, obtain the uniform resource locator of the personal information management platform that described client terminal belongs to, comprising:
Resolve the IP address that gets access to a central personal information management platform by name server, described Gateway GPRS Support Node is forwarded to this central authorities' personal information management platform with the SyncML synchronization request message of client terminal; Described central personal information management platform is resolved described SyncML synchronization request message, from the SyncML synchronization request message＜Cred field obtains user name, send query requests to the Enum server, obtain the uniform resource locator of the personal information management platform that described client terminal belongs to.
Wherein, described central PIM platform sends query requests to the Enum server and comprises: if send query requests and do not meet with a response to the Enum server, then inquire about from the ownership table of this locality configuration.
Wherein, described SyncML synchronization request message is by the Gateway GPRS Support Node access network;
Described described SyncML synchronization request message is sent to a central personal information management platform, described central personal information management platform is resolved the SyncML synchronization request message, obtain the uniform resource locator of the personal information management platform that described client terminal belongs to, specifically comprise:
Wherein, in step 3, if described SyncML synchronization request message does not comprise＜Cred〉field, then described central PIM platform generates the SyncML response, this SyncML respond packet contain the described client terminal of requirement in the SyncML synchronization request message of retransmitting with on the information of authentication information, and this SyncML response returned to described client terminal.
Wherein, described authentication information comprises: user name, password.
Wherein, described client terminal is meant: mobile phone, PDA, pc client.
Wherein, described central personal information management platform is meant: personal information management (PIM) national centre; The personal information management that described client terminal belonged to (PIM) platform is meant: province's personal information management (PIM) platform that client terminal belonged to.
Beneficial effect of the present invention is: 1) for not sending first＜Cred〉mobile phone of field also can normally use the PIM business.2) for the mobile phone of the not supporting HTTP redirection also correct PIM platform economized of access belonging.3) local configuration ownership table can prevent the problem of the inquiry failure that causes owing to reasons such as network interruptions, has improved the reliability of whole PIM system.4) agency's role serves as in national centre, is connected the request of forwarding and obtains the mode of response by setting up HTTP with province PIM platform, does not increase extra connection expense, is transparent to the user.
Description of drawings
Fig. 1 is the role's schematic diagram of SyncML in the prior art;
Fig. 2 is the networking diagram of PIM system in the prior art;
Fig. 3 is the interaction figure of each equipment room of PIM system in the prior art;
Fig. 4 is a HTTP redirection scheme interaction figure in the prior art;
Fig. 5 inserts band＜Cred for Net mode of the present invention〉the system interaction figure of field;
Fig. 6 is not with＜Cred for Net mode of the present invention inserts〉the system interaction figure of field.
Embodiment
Below in conjunction with description of drawings the specific embodiment of the present invention, technical problem to be solved by this invention is, the synchronization request that inserts the PIM system by the Net mode is redirected problem, comprises following technical problem: 1) solve the defective that mobile phone in the existing scheme is not supported HTTP redirection.2) do not send＜Cred for mobile phone the processing of situation.
Complete skill scheme provided by the invention: 1, solve the defective that mobile phone in the existing scheme is not supported HTTP redirection:, so do not use this scheme to reach redirected purpose among the present invention because the part mobile phone is not supported HTTP redirection.But serve as agency's role by PIM national centre (central PIM platform), according to the user authentication information field＜Cred in the SyncML synchronization request message〉in the user name (phone number) that comprises inquire about the ownership table of E.164 Number server or local configuration, obtain the URL of user attaching PIM platform.The role who serves as mobile phone terminal afterwards transmits the synchronous initiation request and economizes platform (the PIM platform that mobile phone belonged to) to PIM, returns terminal again after obtaining response, and synchronous flow process is afterwards directly carried out by mobile phone and PIM province platform.
The Net mode inserts band＜Cred〉time system interaction figure mobile phone transmission＜Cred during information, concrete treatment step flow process following (as shown in Figure 5):
1) mobile phone terminal is initiated the SyncML synchronization request message, by the GGSN access network.
2) get access to the IP address in the PIM whole nation by dns resolution, user's SyncML synchronization request message is forwarded to national centre.
3) national centre resolves the SyncML synchronization request message, from＜Cred〉field obtains user name (user name is configured to phone number) here, sends query requests to the Enum server, obtains the URL of user attaching PIM platform.
If, then from the ownership table of this locality configuration, inquire about because reasons such as network interruption do not inquire.
Annotate:＜Cred be the field that comprises authentication information (username and password) in the SyncML message.
4) role of mobile phone terminal serves as in PIM national centre, sets up HTTP with user attaching province PIM platform and is connected, and transmits user's SyncML synchronization request message and also obtains response, will respond by GGSN and return to mobile phone terminal.
5) mobile phone terminal gets access to the URL of ownership PIM server from SyncML response, directly being carried out by mobile phone terminal and ownership PIM server alternately of synchronizing process afterwards.
Mobile phone does not send＜Cred〉during information, concrete treatment step flow process following (as shown in Figure 6):
1) mobile phone terminal is initiated the SyncML synchronization request message, by the GGSN access network.
2) get access to the IP address in the PIM whole nation by dns resolution, user's synchronization request is forwarded to national centre.
3) national centre resolves the SyncML synchronization request message, and finding does not have＜Cred〉field, the role of user attaching PIM platform serves as in national centre, generates the synchronous initiation response, comprises conditional code 407 in the response message.Response finally is forwarded to mobile phone terminal through GGSN.
Annotate: the implication of conditional code 407 is: require terminal to be with authentication information in the initialization request of retransmitting.
4) mobile phone terminal continues to send the SyncML synchronization request message, has comprised＜Cred in the message of this moment〉field.Handling process of having only and top handling process are in full accord.
The structure such as the table 1 of the ownership table of PIM national centre configuration:
Table 1
| Field name | Data type | Size | Explanation |
| PHONE_START | char | 15 | Cell-phone number section initial number |
| PHONE_END | char | 15 | The cell-phone number section finishes number |
| OWNED_PIMSERVER | VARchar | 50 | User attaching is economized the URL of PIM platform |
The beneficial effect that technical solution of the present invention is brought:
1) for not sending first＜Cred〉mobile phone of field also can normally use the PIM business.
2) for the mobile phone of the not supporting HTTP redirection also correct PIM platform economized of access belonging.
3) local configuration ownership table can prevent the problem of the inquiry failure that causes owing to reasons such as network interruptions, has improved the reliability of whole PIM system.
4) agency's role serves as in national centre, is connected the request of forwarding and obtains the mode of response by setting up HTTP with province PIM platform, does not increase extra connection expense, is transparent to the user.
Key point of the present invention is:
Key point 1: for not sending first＜Cred〉mobile phone, role's treatment S yncML synchronization request message that ownership is economized the PIM platform is served as by national centre.
Key point 2: for transmission＜Cred first〉mobile phone, agency's role serves as in national centre, economizes the PIM platform to the ownership of E.164 Number server inquiring user; And at local configure user attaching information, the problem of the inquiry failure that prevents to cause owing to reasons such as network interruptions has improved the reliability of whole PIM system.
Key point 3: inquire after ownership economizes the PIM platform, serve as the role of mobile phone and ownership and economize the PIM platform and connect and obtain response.Do not increase extra connection expense, to user transparent.
Above embodiment only is used to illustrate the present invention, but not is used to limit the present invention.
Claims (11)
1. the method that is redirected of a SyncML synchronization request message is characterized in that may further comprise the steps:
Client terminal is initiated the SyncML synchronization request message;
Described SyncML synchronization request message is sent to a central personal information management platform; Described central personal information management platform is resolved the SyncML synchronization request message, obtains the uniform resource locator of the personal information management platform that described client terminal belongs to;
Described central personal information management platform is set up HTTP with the personal information management platform that described client terminal is belonged to and is connected, and transmits the SyncML synchronization request message of client terminal to the personal information management platform that described client terminal belonged to;
Described central personal information management platform obtains the SyncML response from the personal information management platform that described client terminal belonged to, and then this SyncML response is returned to described client terminal;
Described client terminal gets access to from SyncML response and handles the uniform resource locator of the personal information management platform that described client terminal belonged to of SyncML synchronization request message next time, and directly carries out the mutual of synchronizing process with personal information management platform that described client terminal is belonged to.
2. method according to claim 1 is characterized in that, comprises in described central personal information management platform is resolved the step of SyncML synchronization request message: from＜Cred〉field obtains the step of authentication information.
3. method according to claim 1 is characterized in that, comprises in described central personal information management platform is resolved the step of SyncML synchronization request message: judge whether described SyncML synchronization request message includes＜Cred〉step of field;
If described SyncML synchronization request message includes＜Cred〉field, then proceed subsequent step;
If described SyncML synchronization request message does not comprise＜Cred〉field, then described central personal information management platform generates the SyncML response, and this SyncML response is returned to described client terminal;
Described client terminal contains＜Cred according to the SyncML of central personal information management platform response retransmitted packet〉the SyncML synchronization request message of field.
4. method according to claim 2 is characterized in that: described SyncML synchronization request message is by the Gateway GPRS Support Node access network;
Described described SyncML synchronization request message is sent to a central personal information management platform, described central personal information management platform is resolved the SyncML synchronization request message, obtain the uniform resource locator of the personal information management platform that described client terminal belongs to, comprising:
Resolve the IP address that gets access to a central personal information management platform by name server, described Gateway GPRS Support Node is forwarded to this central authorities' personal information management platform with the SyncML synchronization request message of client terminal; Described central personal information management platform is resolved described SyncML synchronization request message, from the SyncML synchronization request message＜Cred field obtains user name, send query requests to the Enum server, obtain the uniform resource locator of the personal information management platform that described client terminal belongs to.
5. method according to claim 4 is characterized in that, this method also comprises: if send query requests and do not meet with a response to the Enum server, then inquire about from the ownership table of this locality configuration.
6. method according to claim 3 is characterized in that: described SyncML synchronization request message is by the Gateway GPRS Support Node access network;
Described described SyncML synchronization request message is sent to a central personal information management platform, described central personal information management platform is resolved the SyncML synchronization request message, obtain the uniform resource locator of the personal information management platform that described client terminal belongs to, specifically comprise:
Step 1, resolve the IP address get access to a central personal information management platform by name server, described Gateway GPRS Support Node is forwarded to this central authorities' personal information management platform with the SyncML synchronization request message of client terminal;
Step 2, described central personal information management platform judge whether described SyncML synchronization request message includes＜Cred〉field;
If described SyncML synchronization request message includes＜Cred〉field, then execution in step three;
If described SyncML synchronization request message does not comprise＜Cred〉field, then described central personal information management platform generates the SyncML response, and this SyncML response is returned to described client terminal; Described client terminal retransmitted packet contains＜Cred〉the SyncML synchronization request message of field, this SyncML synchronization request message is by Gateway GPRS Support Node GGSN access network, and execution in step one then;
Step 3, described central personal information management platform are resolved described SyncML synchronization request message, from the SyncML synchronization request message＜Cred field obtains user name, send query requests to the Enum server, obtain the uniform resource locator of the personal information management platform that described client terminal belongs to.
7. method according to claim 6, it is characterized in that, in step 2, if described SyncML synchronization request message does not comprise＜Cred〉field, then described central personal information management platform generates the SyncML response, this SyncML respond packet contain the described client terminal of requirement in the SyncML synchronization request message of retransmitting with on the information of authentication information, and this SyncML response returned to described client terminal.
8. method according to claim 2 is characterized in that, described authentication information comprises: user name, password.
9. according to any described method of claim 1 to 8, it is characterized in that described client terminal is meant: portable terminal with SyncML synchronizing capacity.
10. according to any described method of claim 1 to 8, it is characterized in that described central personal information management platform is meant: personal information management national centre; The personal information management platform that described client terminal belonged to is meant: province's personal information management platform that client terminal belonged to.
11. method according to claim 9 is characterized in that, described portable terminal is meant: mobile phone, PDA, pc client.
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| CN102196044A (en) * | 2011-04-29 | 2011-09-21 | 中兴通讯股份有限公司 | Data transmission method and system |
| CN103207781B (en) * | 2013-03-23 | 2015-11-18 | 北京工业大学 | A kind of WPRT of utilization component layer realizes the synchronous method of pim data |
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| WO2003088081A1 (en) * | 2002-04-17 | 2003-10-23 | Nokia Corporation | Method and network device for synchronization of database data routed through a router |
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| CN1511294A (en) * | 2001-03-26 | 2004-07-07 | ��˹��ŵ�� | Application data synchronization in telecommunication system |
| WO2002087188A1 (en) * | 2001-04-19 | 2002-10-31 | Nokia Corporation | Method and system for privacy preferences management using a synchronisation protocol |
| CN1520562A (en) * | 2001-06-30 | 2004-08-11 | 国际商业机器公司 | System and method for caching mechanism for central synchronization |
| WO2003088613A1 (en) * | 2002-04-15 | 2003-10-23 | Nokia Corporation | Method and device for handling synchronization related information |
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