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Information processing apparatus and information processing method

A technology of information processing equipment and communication media, which is applied in the field of information processing equipment, and can solve the problems of not being able to set or change the TTL of multicast packets

Inactive Publication Date: 2005-10-19
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, users of this service discovery system cannot set or change the TTL of multicast packets

Method used

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  • Information processing apparatus and information processing method
  • Information processing apparatus and information processing method
  • Information processing apparatus and information processing method

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0029] Embodiments of the present invention are described below in conjunction with the accompanying drawings.

[0030] figure 1 A configuration example of the service search system according to the embodiment is shown. The service search software works in PCs 100 , 110 , 120 and 130 . Routers 200, 210, 220, and 230 are respectively connected to networks 400, 410, 420, 430, and 440 having different subnet addresses. Further, the devices 300, 310, 320, 330, 340, 350, 360, and 370 capable of responding to the search of the service search software are connected to the respective networks.

[0031] figure 2 is a block diagram showing a configuration example of a computer device 2000 that can be used as the service search device of the present invention. figure 2 The block diagram shown with the figure 1 A corresponding PC 100, 110, 120, and 130 is shown. The service search device of the present invention can be implemented with a computer device such as a conventional co...

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PUM

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Abstract

An information processing apparatus connected to a plurality of devices through a communication medium is provided. The apparatus includes a transmitting unit adapted to transmit a search request to one or more devices existing in a first area; a receiving unit adapted to receive a response to the search request from one or more devices; and a control unit adapted to control the transmitting unit to transmit the search request to one or more devices existing in a second area when the number of devices that have responded to the search request transmitted by the transmitting unit is less than a predetermined number.

Description

technical field [0001] The present invention relates to an information processing apparatus, an information processing method, and a storage medium that search for a device having a desired service among a plurality of devices connected through a network. Background technique [0002] Heretofore, network devices such as printers and multifunction devices connected to a network, which are controlled by a computer through the network, have been used. In an environment where a large number of these network devices are connected via a network, users search for services that provide desired services among a large number of network devices that provide various services such as printing services provided by printers; and scanning, printing, and storage services provided by multifunctional devices. device and use the desired service. [0003] Various methods have been used to search for services provided by devices on the web. As one of the methods, a service search method using m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/00H04L12/24H04L12/28H04L12/70
CPCH04L47/286H04L67/16H04L67/51B43L9/04B43L9/24G01B3/166
Inventor 内川慎一
Owner CANON KK