H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/56 (2006.01)
Patent
CA 2556638
In the case where external and internal use addresses have been assigned to a terminal of the other end of communication, a seamless communication can be performed without awareness of which address to use for communication, and a change in connection status can be dynamically dealt with. A gatekeeper (60) has an address table (62), in which global addresses (GA), private addresses (PA) and grouping IDs (GID) can be registered, and registers, during address registration, the address of a communication packet into GA, the address assigned to a terminal into PA, and GID, if any, into GID. During address notification, the gatekeeper (60) refers to the address table to notify, to a transmitting terminal, the PA of a receiving terminal if the GIDs of the receiving and transmitting terminals are coincident with each other or if they are not so but the GAs thereof are coincident with each other and to notify, otherwise, the GA of the receiving terminal to the transmitting terminal.
Si des adresses utilisateur externe et interne ont été assignées à un terminal à l~autre bout de la communication, on peut réaliser une communication transparente sans connaître l~adresse à utiliser pour la communication, et l~on peut gérer de façon dynamique tout changement de statut de connexion. Un gardien (60) dispose d~une table d~adresses (62), dans laquelle on peut enregistrer les adresses globales (AG), les adresses privées (AP) et les identificateurs de groupement (IDG), et enregistre, pendant l~enregistrement des adresses, l~adresse d~un paquet de communication dans AG, l~adresse assignée à un terminal dans AP, et les IDG, le cas échéant, dans IDG. Pendant la notification d~adresses, le gardien (60) se reporte à la table d~adresses pour signaler, à un terminal de transmission, l~AP d~un terminal de réception si les IDG des terminaux de réception et de transmission coïncident l~un avec l~autre ou bien si tel n~est pas le cas, mais que les AG de ceux-ci coïncident l~une avec l~autre et pour signaler, autrement, l~AG du terminal de réception au terminal de transmission.
Kobayashi Kenji
Murakami Naota
Sahashi Nozomu
G. Ronald Bell & Associates
Ginganet Corporation
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