Title:
GATEWAY DEVICE, RECEIVING DEVICE, DATA COMMUNICATION SYSTEM, AND PROGRAM
Document Type and Number:
Japanese Patent JP2021190865
Kind Code:
A
Abstract:
To more surely receive data transmitted in a multi-cast system.SOLUTION: A gateway device 10 according to the present invention, comprises: a control part 11 that stores an address of a multicast group in which a receiving device participates, a first port number as a port number of a first port for receiving data to which the address of the multicast group is set as a destination, and a second port as a port number of a second port which becomes an alternate of the first port so as to be corresponded; and a replacement part 12 that replaces the address of the multicast group included in the received data to an address of the receiving device when receiving the data transmitted in the multicast system, converts the first port number into the data of an unicast system replaced to the second port number corresponded to the first port number, and transmits it to the receiving device via a network.SELECTED DRAWING: Figure 1
Inventors:
YAMAGAMI YUKI
KAWAMURA YUKI
NAGATA HIROYASU
KUSUNOKI KAZUYA
IMAMURA KOICHIRO
KAWAMURA YUKI
NAGATA HIROYASU
KUSUNOKI KAZUYA
IMAMURA KOICHIRO
Application Number:
JP2020094878A
Publication Date:
December 13, 2021
Filing Date:
May 29, 2020
Export Citation:
Assignee:
JAPAN BROADCASTING CORP
International Classes:
H04L12/70; H04L12/66
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Makoto Fukuo
Keita Tsuji
Mitsutsugu Sugimura
Makoto Fukuo
Keita Tsuji
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