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Name resolution server and packet transfer device

A technology of name resolution and packet transmission, used in metal processing equipment, instruments, transmission systems, etc.

Active Publication Date: 2004-09-01
NEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0022] However, in these cases, the connection destination control of the client and the transfer method control of the packet transfer device are carried out separately

Method used

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  • Name resolution server and packet transfer device
  • Name resolution server and packet transfer device
  • Name resolution server and packet transfer device

Examples

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Embodiment Construction

[0073] Hereinafter, the preferred embodiments of the present invention will be discussed in detail with reference to the accompanying drawings. In the following description, a number of specific details are set forth in order to fully understand the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without these specific details. In other examples, very well-known structures are not shown in detail in order to unnecessarily obscure the present invention.

[0074] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0075] reference figure 1 The first embodiment of the present invention is implemented by the client A1 and the DNS server B1 as the name resolution server. The client A1 and the DNS server B1 are connected through the network C1. DNS server B can be generalized as a server with a name resolution function in DNS, and can be generalized as a name ...

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Abstract

The DNS server according to the present invention includes a user information identification unit which identifies an attribute of a user who has transmitted a DNS query message through a user information obtaining unit and handing over an identification result to a response generation unit, a user information obtaining unit for referring to a user information database to obtain user attribute information of a user who has transmitted a DNS query message, and a response generation unit for searching a response database for a name resolution method relevant to user attribute information handed over from the user information identification unit to conduct name resolution according to the found name resolution method, thereby enabling name resolution to be minutely customized for each attribute of a user.

Description

Technical field [0001] The present invention relates to a name resolution server and a packet transmission device, and more specifically, to a name resolution server and a packet transmission device that allow personalized name resolution responses based on attribute information of the sender of a name resolution request message. Background technique [0002] Known such a traditional name resolution server is DNS (Domain Name System). The DNS server shown in RFC1034 is used in, for example, an IP (Internet Protocol) network, and is mainly used to perform name resolution from FQDN (Fully Qualified Domain Name) to IP address or from IP address to FQDN. By sending the DNS query message as the name resolution request message to the DNS server, the client requesting the name resolution requests domain name resolution and receives the DNS response message from the DNS server as the name resolution response. [0003] When querying the same name (FQDN, IP address, etc.), the general DNS ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/70G06F17/00H04L29/06H04L29/08H04L29/12
CPCH04L29/12066H04L63/08H04L63/0281H04L29/08072H04L29/08936H04L29/06H04L61/1511H04L67/306H04L69/329H04L61/4511B23P19/08B23P19/001H04L9/40
Inventor 藤田范人石川雄一岩田淳
Owner NEC CORP
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