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Title:
中継装置及びクライアント機器とサーバとの接続方法
Document Type and Number:
Japanese Patent JP4038221
Kind Code:
B2
Abstract:
A simple means is used to realize a virtual network communication via an home network and Internet. A relay device 4 comprises bridge module 12 provided between a network protocol stack 13 and each of network devices 10, 11 for bridging for packets which are not addressed to the relay device or VLAN, or not broadcast request packets; a server address storage section 17 for storing the global address of a server; a tunneling session establishing section 20 for establishing a tunneling connection with the server based on the global address; a capsulating processing section 21 for capsulating a originating address and sending it to the server via the tunneling connection; and a virtual IP address/private IP address conversion section 22 for decapsulating a packet addressed to the relay device, converting a destination virtual network address included in this packet to a private IP address on the LAN of a client apparatus, and sending it onto the LAN via the bridge module.

Inventors:
Jun Kitamura
Yajima Shinpei
Hiroki Ishida
Application Number:
JP2005354886A
Publication Date:
January 23, 2008
Filing Date:
December 08, 2005
Export Citation:
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Assignee:
FreeBit Co., Ltd.
International Classes:
G06F13/00; H04L12/46
Other References:
携帯電話で制御するホーム・セキュリティ レイヤー2VPN技術の組み込みで実現,日経コミュニケーション,日本,日経BP社,2005年 9月15日,第446号,P.114
ASPサービス「どこでもLAN」を使う,NETWORK MAGAZINE 2005年1月号,日本,株式会社アスキー,2005年 1月 1日,第10巻 第1号,pp.86-87
三輪芳久・平野亜矢,SoftEther大研究,日経NETWORK 2005年8月号,日本,日経BP社,2005年 7月22日,第64号,pp.43-61
Attorney, Agent or Firm:
Taro Yaguchi
Junichi Omori
Yasuaki Yamaguchi