公开(公告)号：DE69115881D1

公开(公告)日：1996-02-08

申请号：DE69115881

申请日：1991-03-15

Applicant: IBM

Inventor： HEINZMANN PETER LEANDER DR ,  MUELLER JOHANN RUDOLF ,  NASSEHI M MEHDI DR

IPC: H04J3/00 ,  H04L12/28 ,  H04L12/417 ,  H04L12/40

Abstract: In accordance with the invention, there is provided a method of regulating access to a unidirectional bus transmission system to which a plurality of stations identified by labels are connected, on which system data are transmitted in time slots which are released in numbered cycles by a headend unit, and in which said headend unit sends, for each of said cycles, a request poll message carrying the respective cycle number. The method comprises i) logically combining by means of a predetermined logic function, for data to be transmitted, a source station label and a destination station label, ii) deriving a first control number from the logical combination of the source station label and the destination station label, iii) using, for requesting slots in which to transmit said data, only a request poll message carrying a cycle number which corresponds to said first control number, and iv) subsequently transmitting said data in slots of a cycle whose number corresponds to said first control number. A network which makes use of said method is also described.

公开(公告)号：DE69114692T2

公开(公告)日：1996-06-20

申请号：DE69114692

申请日：1991-03-25

Applicant: IBM

Inventor： GFELLER FRITZ DR ,  HEINZMANN PETER LEANDER DR ,  MARTIN OLIVER ,  MUELLER JOHANN RUDOLF

IPC: G02B6/293 ,  G02B3/00 ,  G02B6/35 ,  G02B26/08 ,  G02B26/02 ,  H04B10/20

公开(公告)号：DE69114692D1

公开(公告)日：1995-12-21

申请号：DE69114692

申请日：1991-03-25

Applicant: IBM

Inventor： GFELLER FRITZ DR ,  HEINZMANN PETER LEANDER DR ,  MARTIN OLIVER ,  MUELLER JOHANN RUDOLF

IPC: G02B6/293 ,  G02B3/00 ,  G02B6/35 ,  G02B26/08 ,  G02B26/02 ,  H04B10/20