Switch for serial or parallel communication networks
Patent
·
OSTI ID:869399
- DeSoto, TX
A communication switch apparatus and a method for use in a geographically extensive serial, parallel or hybrid communication network linking a multi-processor or parallel processing system has a very low software processing overhead in order to accommodate random burst of high density data. Associated with each processor is a communication switch. A data source and a data destination, a sensor suite or robot for example, may also be associated with a switch. The configuration of the switches in the network are coordinated through a master processor node and depends on the operational phase of the multi-processor network: data acquisition, data processing, and data exchange. The master processor node passes information on the state to be assumed by each switch to the processor node associated with the switch. The processor node then operates a series of multi-state switches internal to each communication switch. The communication switch does not parse and interpret communication protocol and message routing information. During a data acquisition phase, the communication switch couples sensors producing data to the processor node associated with the switch, to a downlink destination on the communications network, or to both. It also may couple an uplink data source to its processor node. During the data exchange phase, the switch couples its processor node or an uplink data source to a downlink destination (which may include a processor node or a robot), or couples an uplink source to its processor node and its processor node to a downlink destination.
- Research Organization:
- UNIVERSITIES RESEARCH ASSN
- DOE Contract Number:
- AC35-89ER40486
- Assignee:
- Universities Research Association, Inc. (Washington, DC)
- Patent Number(s):
- US 5331315
- OSTI ID:
- 869399
- Country of Publication:
- United States
- Language:
- English
A segmented ring network with an adaptive history-based protocol
|
conference | January 1992 |
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burst
communication
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communications
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configuration
coordinated
couple
couples
data
data acquisition
data processing
data source
density
depends
destination
downlink
example
exchange
extensive
geographically
hybrid
information
internal
interpret
linking
master
message
message routing
method
multi-processor
multi-state
network
networks
node
operates
operational
overhead
parallel
parallel communication
parallel process
parallel processing
parse
passes
phase
processing
processor
processor node
producing
protocol
random
robot
routing
sensor
sensors
serial
series
software
source
suite
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uplink