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公开(公告)号：GB2303946A
公开(公告)日：1997-03-05
申请号：GB9515602
申请日：1995-07-29
Applicant: IBM
Inventor： ALDRED BARRY KEITH , LAMBERT HOWARD SHELTON , MITCHELL HOWARD DAVID
Abstract: A data conferencing system includes at least two computer workstations linked by a data network. Each computer workstation is able to store and display an electronic sheet, the electronic sheet being logically divided into a set of cells, each cell being able to contain a single character. A user can select a portion 370 of the electronic sheet, a portion comprising at least one cell, and then perform different editing operations on the selected portion of the electronic sheet. Updates resulting from editing the electronic sheet are then distributed to the other computer workstations in the data conferencing system, so that all the workstations in the data conferencing system share the same electronic sheet.
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公开(公告)号：GB2312592A
公开(公告)日：1997-10-29
申请号：GB9608434
申请日：1996-04-24
Applicant: IBM
Inventor： ALDRED BARRY KEITH , LAMBERT HOWARD SHELTON , MITCHELL HOWARD DAVID , RENSHAW DAVID SEAGER
Abstract: A communications system may be used for transmitting and/or receiving data over a network. The communications system includes means responsive to requests for a desired quality of service specifying at least two quality of service parameters, such as bandwidth, latency, error rate, and so on, for determining whether or not the requested quality of service is available. The quality of service requests specify the desired quality of service in terms of logical expressions involving two or more of said at least two quality of service parameters. This allows, for example, a desired quality of service to accept a higher error rate if the available bandwidth is higher. In the preferred embodiment, each quality of service parameter is specified in terms of a range between minimum and a maximum acceptable values.
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公开(公告)号：GB2312592A9
公开(公告)日：1998-08-19
申请号：GB9608434
申请日：1996-04-24
Applicant: IBM
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