Electronic apparatus and system capable of assigning...

Details Electronic apparatus and system capable of assigning... Electronic apparatus and system capable of assigning...

Filed on

2008-05-06

Date issued

2008-05-06

Examiner

Cardone, Jason (Department: 2141)

Patent Class

Electrical computers and digital processing systems: multicomput

SubClass

Network computer configuring

Other Related Categories

C709S222000

Type

Reexamination Certificate

Status

active

Patent number

10370622

Description

ABSTRACT:
In order to prevent unnecessary APIPA process from being executed in a LAN environment which does not adopt APIPA, an ICMP echo request for a predetermined IP address is broadcast. Whether there are more than N apparatuses using APIPA is checked based on the replies, and if there are, IP address setting by APIPA is executed. In a LAN environment which adopts APIPA, whether the IP address to be assigned to an apparatus is already being used by another apparatus is checked. If the date and time when the another apparatus was assigned the IP address is earlier than the date and time when the apparatus was assigned the IP address, APIPA is executed to decide the IP address of the apparatus.

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MICROSOFT, “Automatic Windows 98/Me TCP/IP Addressing Without a DHCP Server”, Oct. 7, 2001, pp. 1-4.
R. Troll; “DHCP Option to Disable Stateless Auto-Configuration in Ipv4 Clients”, May 1999, pp. 1-9.
Zubair Alexander; “Automatic Private IP Addressing”; Windows. Net Magazine, pp. 1-2; Oct. 25, 1999; XP002217668.

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