Patent ID: 11943132
Assignee: INSTANTSHARE TECHNOLOGY LIMITED
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 7:
8. The method of claim 1 further comprising:
establishing a communication group consisting of members selected from the computing devices, wherein in establishing the group, the group is updated from time to time in response to admission of new members and leave of existing members, and wherein the establishing of the group comprises:
identifying a host among the members for managing admission of the new members into the group and removal of the existing members from the group;
creating and keeping, by an individual member in the group, a local list of group members at the individual member, wherein the local list of group members records all the members in the group, and includes a timestamp of last update for indicating recency of the local list of group members;
updating, by the host, a corresponding local list of group members of the host in response to occurrence of new-member admission or existing-member removal, wherein the host's corresponding local list of group members is an authentic list of group members for the communication group; and
regularly updating, by a non-host member in the group, a corresponding local list of group members of the non-host member with the authentic list of group members.