Node-search method, device, and medium on which a node-search program is recorded
First Claim
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1. A node-search method in a network, comprising the steps of:
- a host of a first domain, acquiring a packet which includes routing information of a network configured with a plurality of domains including the first domain connected to at least one interworking unit;
the host, sending a broadcast packet, for requesting a response from a node which provides a specific service, to at least any one of said plurality of domains other than the first domain which is listed in said acquired routing information; and
receiving a response packet for said broadcast packet and detecting the node which sent the response packet,wherein a plurality of interworking units exist in the network, wherein at least one of said plurality of interworking units is a bridge, a brouter, or a router, andfirst sending the broadcast packet to at least one of said plurality of domains with the fewest hop counts.
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Abstract
There are disclosed a method and device for searching equipment, such as a printer, connected to a network through a router by using a broadcast packet are disclosed. A host 110 acquires routing information from a router 200. The host 110 analyzes a domain name of a sub network B103 in the routing information so as to acquire a broadcast address in the domain, then, send a broadcast packet requesting a printer name addressed to the broadcast address through the router 200. The host 110 searches a printer 120 by receiving a response packet for the broadcast packet.
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1 Claim
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1. A node-search method in a network, comprising the steps of:
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a host of a first domain, acquiring a packet which includes routing information of a network configured with a plurality of domains including the first domain connected to at least one interworking unit; the host, sending a broadcast packet, for requesting a response from a node which provides a specific service, to at least any one of said plurality of domains other than the first domain which is listed in said acquired routing information; and receiving a response packet for said broadcast packet and detecting the node which sent the response packet, wherein a plurality of interworking units exist in the network, wherein at least one of said plurality of interworking units is a bridge, a brouter, or a router, and first sending the broadcast packet to at least one of said plurality of domains with the fewest hop counts.
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Specification
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Current AssigneeSeiko Epson Corporation (Seiko Group)
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Original AssigneeSeiko Epson Corporation (Seiko Group)
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InventorsUchino, Atsushi
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Primary Examiner(s)Vu, Huy D.
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Assistant Examiner(s)RYMAN, DANIEL J
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Application NumberUS09/544,544Time in Patent Office2,161 DaysField of Search370/254, 370/255, 370/256, 370/257, 370/258, 370/392, 370/401, 370/402, 370/403, 370/404, 370/405, 370/400, 370/432US Class Current370/254CPC Class CodesH04L 43/10 Active monitoring, e.g. hea...H04L 45/02 Topology update or discoveryH04L 45/16 Multipoint routingH04L 67/51 Discovery or management the...
