Method for managing group membership in internet multicast applications

US6529882B1 · kind B1 · utility

Assignee

• KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY · KR

Inventors

• Jung Soo Park · Seoul, KR
• Yong-Woon Kim · Daejeon, KR
• Seok Koh · Yongin-si, KR
• Yong Jin Kim · Dongmyeong-myeon, KR

Key dates

• Filing date: Feb 8, 2000
• Grant date: Mar 4, 2003
• Expiry date: Feb 8, 2020

Classification

• Technology area (CPC G): Physics
• CPC primary: G06Q30/02
• WIPO field: IT methods for management
• WIPO sector: Electrical engineering

Abstract

A method for strictly managing group membership in Internet multicast applications is disclosed. The method comprises a group creation and enrollment step, a group announcement step, a group query step, a group information acquisition step, a group registration step, a leaving of the group step, a failure information response step and a fragment message transmission step. In the group creation and enrollment step, a group management server creates a group and performs group registration. In the group announcement step, the group management server announces the created group. In the group query step, the group management client inquires the group information of the group management server. In the group information acquisition step, the group management client joins a known group address and acquires the group information. In the group registration step, the group management client enrolls in the group management server. In the leaving of the group step, the group management client leaves the group. In the failure information response step, the group management server transmits information on a reason for failure to the group management. In the fragment message transmission step, the…