Title:
【発明の名称】パケット通信システムの呼出承認制御方法および装置
Document Type and Number:
Japanese Patent JPH05508272
Kind Code:
A
Abstract:
A data communication system includes a data bus (1) and a number of nodes (2, 3) connected to the bus (1). Each node (2, 3) is arranged to communicate fixed length data packets via the bus (1). The data packets are assigned different priority levels and each node (2, 3) is arranged to concede access to the bus (1) to another node transmitting a higher priority level packet. Some of the nodes are modified to monitor their respective bus access rates. Each of the modified nodes (2), when its access rate falls below a respective predetermined threshold, transmits a restriction request signal onto the bus (1). The other modified nodes (2) reduce their respective bus access rates in response to the restriction request signal, thereby freeing space on the bus (1) for use by the node (2).
Inventors:
Adams, John Leonard
Application Number:
JP50700191A
Publication Date:
November 18, 1993
Filing Date:
April 10, 1991
Export Citation:
Assignee:
British Telecommunications Public Limited Company
International Classes:
H04L12/801; H04L12/825; (IPC1-7): H04L12/48; H04L12/56
Attorney, Agent or Firm:
Takehiko Suzue (3 outside)