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公开(公告)号：JP2000224197A
公开(公告)日：2000-08-11
申请号：JP2000012631
申请日：2000-01-21
Applicant: IBM
Inventor： STEFAN G HILD , HUSEMAN DIRK , NIDD MIKE
Abstract: PROBLEM TO BE SOLVED: To permit devices in a local network for announcing their services and discovering the service provided from another device by checking whether or not service information transmitted from another device includes information concerning itself except at making a timeout. SOLUTION: A protocol resources manager 11 triggers a transmitter 13 and transmits service information including information concerning one's own and existing devices to another device. Service information received by a receiver 14 is heard until a max. time (a timeout value), when the device 10 is selected. When making a timeout without receiving the service information by the receiver 14, it repeatedly executes the transmitter 13 to be triggered and information concerning own and existing devices to be transmitted to another device. When such a service information is received by the receiver 14 prior to the timeout, it is checked whether or not received service information includes information concerning itself.
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公开(公告)号：JP2001045029A
公开(公告)日：2001-02-16
申请号：JP2000017026
申请日：2000-01-26
Applicant: IBM
Inventor： HERMANN RETO , HUSEMAN DIRK , MOSER MICHAEL , NIDD MIKE , SCHADE ANDREAS
Abstract: PROBLEM TO BE SOLVED: To provide a technique that classifies services of an adjacent range division type in a radio local network. SOLUTION: A radio local network contains all devices including a device 10 as its part. The device 10 stores a list of identifiers relating to service servers in addition to recording of information with respect to service and its relating identifiers. In the case that lists of relating identifiers and identifiers are compared and a relating service is served by a service server listed in the identification list, it is discriminated that the service resides in the vicinity of the server. In the case that the relating service is served by the service server not listed in the identifier list, it is discriminated that the service is not resident in the vicinity of the server. The device 10 includes a network interface 25 for radio communication with the service server and a service discovery module 11 that stores recording of the information service and the relating identifier.
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公开(公告)号：DE69930918T2
公开(公告)日：2006-11-30
申请号：DE69930918
申请日：1999-01-25
Applicant: IBM
Inventor： HILD STEFAN G , HUSEMANN DIRK , NIDD MIKE
Abstract: Scheme for advertising service offerings in a communications system comprising two devices, wherein a first of said two devices a. sends service information, comprising information about itself and/or other known devices i. chose timeout value TA, ii. listen for up to maximum time TA for service information sent by another device, iii. if TA timed out, continue with step a. otherwise, check whether said service information sent by another device comprises information about itself (local services); if yes, then continue with step i.; if no, then continue with step a.
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公开(公告)号：DE69930918D1
公开(公告)日：2006-05-24
申请号：DE69930918
申请日：1999-01-25
Applicant: IBM
Inventor： HILD STEFAN G , HUSEMANN DIRK , NIDD MIKE
Abstract: Scheme for advertising service offerings in a communications system comprising two devices, wherein a first of said two devices a. sends service information, comprising information about itself and/or other known devices i. chose timeout value TA, ii. listen for up to maximum time TA for service information sent by another device, iii. if TA timed out, continue with step a. otherwise, check whether said service information sent by another device comprises information about itself (local services); if yes, then continue with step i.; if no, then continue with step a.
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