PROXY SERVER, RELAY METHOD, COMMUNICATION SYSTEM, RELAY CONTROL PROGRAM, AND RECORDING MEDIUM

Title:

PROXY SERVER, RELAY METHOD, COMMUNICATION SYSTEM, RELAY CONTROL PROGRAM, AND RECORDING MEDIUM

Document Type and Number:

WIPO Patent Application WO/2012/011449

Kind Code:

A1

Abstract:

A proxy (250) of the present invention is provided with a processing unit (251) which, upon detecting a video request from a proxy (200), transmits to the second-mentioned proxy information indicating that the proxy (250) can transmit, on behalf of a server (300), a video by multicast; and a processing unit (253) which, when receiving a JOIN message from the proxy (200), registers the second-mentioned proxy in a multicast group. The processing unit (253) relays the video in a cache (252) to each registered proxy by multicast.

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Inventors:

OGISAWA, Yoshiaki (())
荻澤　義昭 (())

Application Number:

JP2011/066278

Publication Date:

January 26, 2012

Filing Date:

July 15, 2011

Export Citation:

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Assignee:

SHARP KABUSHIKI KAISHA (22-22, Nagaike-cho Abeno-ku, Osaka-sh, Osaka 22, 〒5458522, JP)
シャープ株式会社 (〒22 大阪府大阪市阿倍野区長池町２２番２２号 Osaka, 〒5458522, JP)
OGISAWA, Yoshiaki (())

International Classes:

H04L12/56; G06F13/00

Attorney, Agent or Firm:

HARAKENZO WORLD PATENT & TRADEMARK (Daiwa Minamimorimachi Building, 2-6 Tenjinbashi 2-chome Kita, Kita-ku, Osaka-sh, Osaka 41, 〒5300041, JP)

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Claims:

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