RELAY DEVICE, TRANSFER METHOD AND COMPUTER PROGRAM

PROBLEM TO BE SOLVED: To send an encrypted IP packet out to a communication path having QoS, corresponding to the service of the IP packet, without having to send any request to a device providing the service at all. SOLUTION: A relay device transfers an IP packet as a packet, obtained by encapsulat...

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Bibliographische Detailangaben
Hauptverfasser:	SETO KOJIRO, TAKEZAKI JUNJI, TAKAGI MASAYUKI, AKITA KENICHI, NAKAMORI FUTOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To send an encrypted IP packet out to a communication path having QoS, corresponding to the service of the IP packet, without having to send any request to a device providing the service at all. SOLUTION: A relay device transfers an IP packet as a packet, obtained by encapsulating an encrypted capsule packet using a capsulated header from a first device to a second device associatively stores encryption information associated with encryption used by the first device to generate the IP packet and route information showing a path to the second device; and determines a route to the second device, based on the encryption information contained in a capsulated header of an IP packet received from the first device. COPYRIGHT: (C)2011,JPO&INPIT