公开(公告)号：CA2103134A1

公开(公告)日：1995-05-16

申请号：CA2103134

申请日：1993-11-15

Applicant: IBM CANADA ,  IBM ,  PHOTONICS CORP

Inventor： CHEN JEANE S ,  FICKES STANLEY L ,  HARTLEN BRYAN R ,  KURATA TOM D ,  MARYAN JACEK P ,  MCKAY DAN N ,  WILLIAMS TIMOTHY F

IPC: H04L12/413 ,  H04L29/08

Abstract: A method is provided for controlling access to a communication medium intended for sharing by a least two stations to enable peer-to-peer communications therebetween. It includes the steps of sensing the medium at a first station to determine if the medium is in use. The first station transmitting a connection request message intended for a second station if the first station senses that the medium is not in use. Receiving at the second station the connection request message. The second station transmitting a connection confirm message intended for reception at the first station for the purpose of establishing a reservation of the transmission medium for use by the first and second stations. Transmitting information as one or more date messages from the first station to the second station. The second station upon receiving the last of the data messages from the first station transmitting an acknowledgement message intended for reception by the first station. The first station upon receiving the acknowledgement message subsequently transmitting a disconnect request message to the second station. The second station upon receiving the disconnect request message subsequently transmitting a disconnect confirm message for reception by the first station for the purpose of ending the reservation of the medium.

公开(公告)号：DE69427181D1

公开(公告)日：2001-06-13

申请号：DE69427181

申请日：1994-10-10

Applicant: IBM

Inventor： CHEN JEANE SHU-CHUN ,  WILLIAMS TIMOTHY F ,  HARTLEN BRYAN R ,  MARYAN JACEK P ,  MCKAY DAN N ,  FICKES STANLEY L ,  KURATA TOM D

IPC: H04L12/413 ,  H04B7/24 ,  H04L12/56

Abstract: A method is provided for controlling access to a communication medium intended for sharing by a least two stations to enable peer-to-peer communications therebetween. It includes the steps of sensing the medium at a first station to determine if the medium is in use. The first station transmitting a connection request message intended for a second station if the first station senses that the medium is not in use. Receiving at the second station the connection request message. The second station transmitting a connection confirm message intended for reception at the first station for the purpose of establishing a reservation of the transmission medium for use by the first and second stations. Transmitting information as one or more date messages from the first station to the second station. The second station upon receiving the last of the data messages from the first station transmitting an acknowledgement message intended for reception by the first station. The first station upon receiving the acknowledgement message subsequently transmitting a disconnect request message to the second station. The second station upon receiving the disconnect request message subsequently transmitting a disconnect confirm message for reception by the first station for the purpose of ending the reservation of the medium.

公开(公告)号：DE69427181T2

公开(公告)日：2001-10-11

申请号：DE69427181

申请日：1994-10-10

Applicant: IBM

Inventor： CHEN JEANE SHU-CHUN ,  WILLIAMS TIMOTHY F ,  HARTLEN BRYAN R ,  MARYAN JACEK P ,  MCKAY DAN N ,  FICKES STANLEY L ,  KURATA TOM D

IPC: H04L12/413 ,  H04B7/24 ,  H04L12/56

Abstract: A method is provided for controlling access to a communication medium intended for sharing by a least two stations to enable peer-to-peer communications therebetween. It includes the steps of sensing the medium at a first station to determine if the medium is in use. The first station transmitting a connection request message intended for a second station if the first station senses that the medium is not in use. Receiving at the second station the connection request message. The second station transmitting a connection confirm message intended for reception at the first station for the purpose of establishing a reservation of the transmission medium for use by the first and second stations. Transmitting information as one or more date messages from the first station to the second station. The second station upon receiving the last of the data messages from the first station transmitting an acknowledgement message intended for reception by the first station. The first station upon receiving the acknowledgement message subsequently transmitting a disconnect request message to the second station. The second station upon receiving the disconnect request message subsequently transmitting a disconnect confirm message for reception by the first station for the purpose of ending the reservation of the medium.