GROUP MANAGEMENT ASSISTANCE APPARATUS, GROUP MANAGEMENT APPARATUS, GROUP MANAGEMENT ASSISTANCE METHOD, AND GROUP MANAGEMENT METHOD

Abstract

A group management assistance method includes a presence information receiving step (step S142) of receiving presence information of a client in which presence information changes, a change occurrence group detecting step (step S143) of determining whether a group to be generated by the presence information, a group in which constituent members are changed by the presence information, or a group in which constituent members are deleted by the presence information is present by comparing a policy of each group with the presence information, and a group information transmitting step (step S144) of transmitting group information related to the group to be generated, the group in which the constituent members are changed, or the group in which the constituent members are deleted.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a block diagram showing a configuration of a system according to Embodiment 1 of the present invention;

FIG. 2 is a sequence diagram showing main operations of the system shown in FIG. 1;

FIG. 3 is a block diagram showing a configuration of a system according to Embodiment 2 of the present invention;

FIG. 4 is a sequence diagram showing main operations performed by Embodiment 2 of the present invention of the system shown in FIG. 3;

FIG. 5 is a diagram showing an example of a group policy held by the group management assistance apparatus shown in FIG. 1 or 3;

FIG. 6 is a diagram showing an example of presence information;

FIG. 7 is a sequence diagram showing main operations performed by Embodiment 3 of the present invention of the system shown in FIG. 3;

FIG. 8 is a block diagram showing a configuration of a system according to Embodiment 4 of the present invention;

FIG. 9 is a diagram showing an example of a group policy held by the group management assistance apparatus shown in FIG. 8;

FIG. 10 is a sequence diagram showing main operations of a system shown in FIG. 8;

FIG. 11 is a block diagram showing a configuration of a system according to a conventional art 1;

FIG. 12 is a sequence diagram showing main operations of the system shown in FIG. 11; and

FIG. 13 is a block diagram showing a configuration of a system of a conventional art 2.

Claims

1. A group management assistance apparatus comprising: a presence information receiving unit which receives presence information of a client in which presence information changes;a change occurrence group detecting unit which determines whether a group to be generated, a group in which constituent members are changed, or a group to be deleted is present by comparing a policy of each group with the presence information; anda group information transmitting unit which transmits group information related to the group to be generated, the group in which the constituent members are changed, or the group to be deleted.

2. The group management assistance apparatus according to claim 1, wherein the policy includes information is in an apparatus except for the group management assistance apparatus or information input from an apparatus except for the group management assistance apparatus.

3. A group management server comprising: a group information receiving unit which receives group information from a group management assistance apparatus;a session change detecting unit which determines whether a group which has been established a session and in which participating members must be changed by the group information is present; anda session participating member changing unit which, if a group which has been established a session and in which participating members must be changed by the group information is present, then changes members participating the group using the group information.

4. A group management assistance method comprising: the presence information receiving step of receiving presence information of a client in which presence information changes;the change occurrence group detecting step of determining whether a group to be generated, a group in which constituent members are changed, or a group to be deleted is present by comparing a policy of each group with the presence information; andthe group information transmitting step of transmitting group information related to the group to be generated, the group in which the constituent members are changed, or the group to be deleted.

5. The group management assistance method according to claim 4, wherein the policy includes information is in an apparatus except for the group management assistance apparatus or information input from an apparatus except for the group management assistance apparatus.

6. A group management method comprising: the group information receiving step of receiving group information from a group management assistance apparatus;the session change detecting step of determining whether a group which establishes a session and in which participating members must be changed by the group information is present; andthe session participating member changing step of, if a group which has been established a session and in which participating members must be changed by the group information is present, then changing members participating the group using the group information.

7. A computer program product embodied on a computer-readable medium and comprising codes that, when executed, cause a computer to perform a group management assistance method comprising: the presence information receiving step of receiving presence information of a client in which presence information changes;the change occurrence group detecting step of determining whether a group to be generated, a group in which constituent members are changed, or a group to be deleted is present by comparing a policy of each group with the presence information; andthe group information transmitting step of transmitting group information related to the group to be generated, the group in which the constituent members are changed, or the group to be deleted.

8. The computer program product according to claim 7, wherein the policy includes information is in an apparatus except for the group management assistance apparatus or information input from an apparatus except for the group management assistance apparatus.

9. A computer program product embodied on a computer-readable medium and comprising codes that, when executed, cause a computer to perform a group management method comprising: the group information receiving step of receiving group information from a group management assistance apparatus;the session change detecting step of determining whether a group which establishes a session and in which participating members must be changed by the group information is present; andthe session participating member changing step of, if a group which has been established a session and in which participating members must be changed by the group information is present, then changing members participating the group using the group information.