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Relay server, relay communication system and communication device

A technology of communication devices and servers, which is applied in the direction of data exchange and network interconnection through path configuration, and can solve problems such as difficulty

Active Publication Date: 2012-01-25
MURATA MASCH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since data packets pass through a VPN device, etc., when deleting and moving resources between multiple LANs, it is not easy to grasp information such as deletion and movement from the entire virtual network.

Method used

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  • Relay server, relay communication system and communication device
  • Relay server, relay communication system and communication device
  • Relay server, relay communication system and communication device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach }

[0070]

[0071] Next, a first embodiment will be described with reference to the drawings. figure 1 It is a figure which exemplifies the overall structure of the relay communication system of this embodiment. Such as figure 1 As shown, the present relay communication system is composed of a plurality of LANs connected to the WAN. Furthermore, this relay communication system has an external server S, a relay server R, a client terminal T, a file server F, and the like. In addition, although the embodiment using the external server S was exemplified here, a system in which relay servers R directly communicate without using the external server S may also be used.

[0072] In this embodiment, the communication protocol between the external server S in the WAN and each relay server R, and between the relay server R in the LAN and the client terminal T, etc., is described by way of example. SIP (Session Initiation Protocol: Session Initiation Protocol) system. However, a proto...

no. 2 Embodiment approach }

[0185]

[0186] Next, a second embodiment will be described. Compared with the first embodiment, this embodiment has the same configuration of the relay communication system, external server S, relay server R, and file server F, but the configuration of the client terminal T is different.

[0187] Figure 19 Shows a functional block diagram of the client terminal T. The client terminal T of the present embodiment includes a display unit 605 in addition to the constituent elements of the client terminal T of the first embodiment. The display unit 605 displays Figure 20 Relay group information 100 shown in etc., and Figure 21Shared resource information 120 shown in etc.

[0188]

[0189] Below, combine Figure 22 with Figure 23 The flow chart of FIG. 1 describes the processing flow of the client terminal T in this relay communication system. In addition, has formed Figure 20 Relay group information 100 shown, and Figure 21 Shared resource information 120 is sho...

no. 3 Embodiment approach }

[0221]

[0222] Next, a third embodiment will be described. Compared with the second embodiment, this embodiment has the same configuration of the relay communication system, external server S, client terminal T, and file server F, but the configuration of the relay server R is different.

[0223] Figure 26 Represents the functional block diagram of the relay server R. The relay server R of the present embodiment has a log information database (DB) 507 in addition to the constituent elements of the relay server R of the second embodiment. The log information DB 507 is a database that manages resource operation content relayed by each relay server R as log information.

[0224]

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PUM

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Abstract

The invention provides a relay server, a relay communication system and a communication device. The relay communication system has favorable expansibility and flexibility, with sharing and operation of resources with necessary opposite parties in the relay communication system, between different LAN terminals. The relay communication system is provided with a relay server (R) communicating with other relay servers (R) through an outer server (S) of WAN. The relay server (R) keeps the account information of the customer terminal (T) containing LAN, a group of the relay information (100) of therelay server (R), the sharing resource information (120) of the account sharing the customer terminal (T) of the resource. When the relay server (R) receives the operating instruction of the resourceto the customer terminal (T) in other LAN from the customer terminal (T) in LAN, the operation of the resource is relayed according to the relay information (100) and the sharing resource information(120).

Description

technical field [0001] The present invention relates to a relay server and a relay communication system capable of communicating with a terminal in another local area network (LAN) across a wide area network (WAN). In particular, it relates to a technique for operating resources held by terminals in another LAN from a terminal in a certain LAN. Background technique [0002] There is a communication technology called VPN (Virtual Private Network: Virtual Private Network). Using this communication technology, it is possible to use other LANs that are far apart like a directly connected network. For example, it is possible to communicate across the Internet between terminals connected to LANs of a plurality of branch offices installed in various regions. [0003] Regarding this technique, various systems have been proposed so far (for example, Japanese Patent Laid-Open No. 2002-217938). [0004] However, such a system tends to become a rigid system due to the relationship of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46
Inventor 谷本好史
Owner MURATA MASCH LTD
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