METHOD AND DEVICE FOR DISTRIBUTED MANAGEMENT TYPE COMMUNICATION - National Institute of Advanced Industrial Science and Technology

Title:

METHOD AND DEVICE FOR DISTRIBUTED MANAGEMENT TYPE COMMUNICATION

Document Type and Number:

Japanese Patent JP3460080

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To realize real time communication which is on a large scale and also whose quantum time is small by providing a priority arbitrating means which independently outputs an input packet to each output port side and controls so that a communication packet with a high priority passing through communication nodes can get ahead of a communication packet with a low priority.
SOLUTION: A priority arbitrating means replaces the priority of a communication packet with a new priority in the case of a mode changing priorities. That is, the priority of a communication packet in the current node is decided by a priority attached to the header of an input packet and the priority of the communication packet is controlled so that passing and routing can be decided according to the priority. When communication is performed from a communication node 0 to a communication node 7, a communication packet with a priority 0 whose real time property is low performs communication via communication nodes called communication nodes 1 and 3 on the way, while a communication packet with a priority 3 in which high real time property is demanded, directly performs communication from the node 0 to the node 7.

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Inventors:

Nobuyuki Yamazaki

Application Number:

JP34313999A

Publication Date:

October 27, 2003

Filing Date:

December 02, 1999

Export Citation:

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Assignee:

National Institute of Advanced Industrial Science and Technology
Nobuyuki Yamazaki

International Classes:

H04L29/06; H04L12/28; H04L12/70; (IPC1-7): H04L12/56; H04L12/28; H04L29/06

Domestic Patent References:

JP62260452A
JP8242256A
JP6224939A
JP118652A
JP8191328A
JP1303832A
JP58151747A

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