METHOD AND SYSTEM FOR REALIZING PRESENCE SERVICE, PRESENCE INFORMATION PROCESSING DEVICE PRESENTITY CLIENT

• US 20080068371A1
• Filed: 11/26/2007
• Published: 03/20/2008
• Est. Priority Date: 03/24/2006
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: ZHAO, Yang, TIAN, Linyi, SONG, Xuefei, PENG, Chenghui, SUN, Qian, BAO, Hongqing
• Granted Patent: US 8,595,309 B2
• Time in Patent Office: Days
• US Class Current: 345/418
• CPC Class Codes: H04L 51/04 Real-time or near real-time messaging, e.g. instant messaging [IM]
• CPC Class Codes: H04L 63/08 for authentication of entities cryptographic mechanisms or cryptographic arrangements for entity authentication H04L9/32
• CPC Class Codes: H04L 63/10 for controlling access to devices or network resources
• CPC Class Codes: H04L 63/104 Grouping of entities
• CPC Class Codes: H04L 67/54 Presence management, e.g. monitoring or registration for receipt of user log-on information, or the connection status of the users

Abstract

The present invention discloses a method for realizing presence service. By recording a correlation between a watcher identity and a class in an authentication configuration information of a presentity for a watcher and making presence information related to a corresponding class in the presence information issued by the presentity, a presence server determines that presence information may be obtained by the watcher according to a correlation between classes and watcher identities and presence information. The invention further discloses a system for realizing presence service, a presence information processing device and a presentity client.

Claims

1. A method for processing presence information, comprising:

receiving presence information and a grouping result for watchers of the presence information, the presence information comprising different values configured for a presence element;

determining which group a watcher pertains to according to the grouping result for watchers; and

sending a value corresponding to a presence element in the presence information to a corresponding watcher according to a correlation between the different values of the presence element and corresponding watcher groups.

2. The method according to claim 1, when different classes are employed to represent different groups, a grouping result is a correlation between a watcher identity and a class of a group which the watcher identity pertains to, and different values configured for a presence element correspond to classes for the presence element respectively.

3. The method according to claim 2, further comprises:

employing a right rule in authentication configuration information to record the correlation between the watcher identity and the class of the group which the watcher identity pertains to, wherein the watcher identity is configured in a condition element of the right rule, and the class is configured in a transformation element of the right rule; and

configuring corresponding classes for the presence element with different values comprises;

configuring a class subelement for the presence element and recording a corresponding class in the class subelement of the presence element.

4. The method according to claim 3, wherein determining which group the watcher pertains to according to the grouping result for watchers comprises:

obtaining the authentication configuration information corresponding to a presentity by determining presentity information carried in the presence information;

determining corresponding classes of different watchers by obtaining the right rule via resolving the authentication configuration information; and

sending the value corresponding to the presence element in the presence information to the corresponding watcher according to the correlation between the different values of the presence element and corresponding watcher groups comprises;

sending a value of the presence element with a corresponding class in the class subelement to a watcher corresponding to the class.

5. The method according to claim 3, wherein receiving the presence information comprises:

receiving presence information issued for one presentity by at least two different presence sources; and

before sending, the method further comprises;

determining whether the class subelements contained in the presence information issued by the different presence sources have the same value or no class subelement is contained, if the class subelements contained in the presence information issued by the different presence sources have the same value or no class subelement is contained, merging the presence information issued by the different presence sources.

6. The method according to claim 3, wherein a flag indicating whether to provide a class is further configured in the right rule of the authentication configuration information;

and

before sending the value corresponding to the presence element in the presence information to the corresponding watcher, the method further comprises;

deleting or keeping class information contained in a presence information document according to the flag indicating whether to provide the class configured in the right rule.

7. The method according to claim 6, wherein the number of right rules for the watcher is at least two, and the method further comprises:

performing a logic OR or logic AND operation on at least two right rules, and taking an obtained result as the right rule for the watcher.

8. The method according to claim 3, wherein employing the right rule in the authentication configuration information to record the correlation between the watcher identity and the class of the group which the watcher identity pertains to comprises:

creating the authentication configuration information on an XDM server by a presentity client via XCAP protocol, wherein the correlation is recorded in the right rule in the authentication configuration information; and

obtaining the authentication configuration information corresponding to the presentity comprises;

obtaining the authentication configuration information on the XDM server by the presence server via the XCAP protocol.

9. The method according to claim 2, wherein the method further comprises:

receiving subscription information from the watcher, wherein the subscription information further comprises filtering information for the class; and

before sending the value corresponding to the presence element in the presence information to the corresponding watcher, the method further comprises;

determining a presence element satisfying a filtering requirement according to the filtering information for the class, and sending the presence element satisfying the filtering requirement.

10. A system for realizing presence service, comprising a presentity client and a presence information processing device, wherein

the presentity client is adapted to:

group watchers of presence information and transfer a grouping result to the presence information processing device;

in the presence information, set different values for one presence element and configure a correlation between the different values of the presence element and corresponding watcher groups; and

send the presence information to the presence information processing device; and

the presence information processing device is adapted to;

determine which group the watcher allowed to obtain the presence information pertains to according to the grouping result after receiving the presence information; and

send a value corresponding to the presence element in the presence information to a corresponding watcher according to the correlation between the different values of the presence element and corresponding watcher groups.

11. The system according to claim 10, wherein:

the presentity client implements a grouping function by grouping the watchers with classes, and implements a function of configuring the correlation between the different values of the presence element and the corresponding watcher groups by configuring classes for the presence element with different values; and

the presence information processing device implements a function of recording the grouping result by recording a correlation between a watcher identity and a class of a group which the watcher identity pertains to.

12. The system according to claim 11, wherein, the presence information processing device employs a right rule in authentication configuration information to record the correlation between the watcher identity and the class of the group which the watcher identity pertains to;

and

the presentity client implements a function of configuring corresponding classes for the presence element with different values by recording a corresponding class in a class subelement of a corresponding presence element.

13. The system according to claim 12 wherein if the presence information processing device receives presence information issued for one presentity by at least two different presence sources, before sending the presence information to the watcher, the presence information processing device is further adapted to:

determine whether the class subelements contained in the presence information issued by the different presence sources have the same value or no class subelement is contained, if the class subelements contained in the presence information issued by the different presence sources have the same value or no class subelement is contained, the presence information issued by the different presence sources is merged.

14. The system according to claim 12, wherein:

the presence information processing device is further adapted to configure a flag indicating whether to provide a class in the right rule of the authentication configuration information; and

before sending the presence information to the watcher, the presence information processing device is further adapted to;

delete or keep class information contained in a presence information document according to the flag indicating whether to provide the class configured in the right rule.

15. The system according to claim 12, wherein the number of right rules for the watcher is at least two, and the presence information processing device is further adapted to:

perform a logic OR or logic AND operation on at least two right rules and take an obtained result as the right rule for the watcher.

16. The system according to claim 11, wherein the presence information processing device is further adapted to:

receive subscription information sent by the watcher, wherein the subscription information further comprises filtering information for the class; and

determine a presence element satisfying a filtering requirement according to the filtering information for the class and sending the presence element satisfying the filtering requirement, before sending the value corresponding to the presence element to the corresponding watcher.

17. A presence information processing device, comprising:

a grouping unit, adapted to determine which group a watcher allowed to obtain presence information pertains to according to the grouping result recorded in the grouping result recording unit after receiving the presence information; and

a presence information sending unit, adapted to send a value corresponding to a presence element in the presence information to a corresponding watcher according to a correlation between different values of the presence element and corresponding watcher groups.

18. The device according to claim 17, further comprises:

a grouping result recording unit, adapted to record a grouping result for watchers sent from a presentity client by employing a right rule in authentication configuration information wherein the grouping result is described by a correlation between a watcher identity and a class of a group which the watcher identity pertains to.

19. The device according to claim 18, the presence information processing device further comprises a presence information merging unit adapted to:

determine whether class subelements contained in the presence information issued by the different presence sources have the same value or no class subelement is contained if the presence information processing device receives the presence information issued for one presentity by at least two different presence sources, and if class subelements contained in the presence information issued by the different presence sources have the same value or no class subelement is contained, merge the presence information issued by the different presence sources.

20. The device according to claim 18, wherein the presence information processing device further comprises a class processing unit adapted to:

configure a flag indicating whether to provide a class in the right rule of the authentication configuration information; and

delete or keep class information contained in a presence information document according to the flag indicating whether to provide the class configured in the right rule before sending the presence information to the watcher.

21. The device according to claim 18, wherein the number of right rules for the watcher is at least two, and the presence information processing device further comprises a right merging unit adapted to:

perform a logic OR or logic AND operation on the at least two right rules, and take an obtained result as the right rule for the watcher.

22. The device according to claim 18, wherein the presence information processing device further comprises a filtering unit adapted to:

receive subscription information sent by the watcher, wherein the subscription information further comprises filtering information for the class;

determine a presence element satisfying a filtering requirement according to the filtering information for the class before sending the value corresponding to the presence element in the presence information to the corresponding watcher; and

notify the presence information sending unit to send the presence element satisfying the filtering requirement.

23. A presentity client, comprising a watcher grouping unit, a presence information configuring unit and a presence information sending unit, wherein:

the watcher grouping unit is adapted to group watchers of presence information and transfer a grouping result to a presence information processing device and a presence information configuring unit;

the presence information configuring unit is adapted to, in the presence information, set different values for one presence element and configure a correlation between the different values of the presence element and corresponding watcher groups according to the grouping result of the watcher grouping unit; and

the presence information sending unit is adapted to transfer the presence information processed by the presence information configuring unit to the presence information processing device.

24. The presentity client according to claim 23, wherein:

the watcher grouping unit implements a grouping function by grouping the watchers with classes; and

the presence information configuring unit implements a function of configuring the correlation between the different values of the presence element and corresponding watcher groups by configuring corresponding classes for the presence element with different values respectively.

25. A method for processing presence information, comprising:

grouping the presence information and sending a grouping result of the presence information to a presence information processing device;

configuring different values for a presence element in the presence information and sending the values to the presence information processing device; and

configuring a correlation between the different values of the presence information and corresponding watchers, and sending the correlation to the the presence information processing device;

obtaining presence information allowed to be obtained by a watcher based on the correlation; and

sending the presence information to the watcher.