Interface Message Processor
E1033
The Interface Message Processor was the pioneering packet-switching node that formed the backbone of the early ARPANET, serving as a precursor to modern internet routers.
Aliases (2)
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
ARPANET node
→
computer network device → packet-switching node → precursor to internet router → |
| alsoKnownAs |
IMP
→
|
| basedOn |
Honeywell DDP-516 minicomputer
→
|
| communicationMedium |
leased telephone lines
→
|
| connectedHost |
Stanford Research Institute
→
UCLA Network Measurement Center → University of California, Santa Barbara → University of Utah → |
| connects |
host computers
→
other Interface Message Processors → |
| countryOfOrigin |
United States
→
|
| designedAs |
reliable subnetwork for ARPANET hosts
→
|
| designedBy |
BBN networking team
→
Frank Heart → |
| developedBy |
BBN Technologies
→
Bolt Beranek and Newman → |
| developedFor |
ARPANET
→
|
| firstDeployed |
1969
→
|
| firstSite |
UCLA
→
University of California, Los Angeles → |
| fundedBy |
ARPA
→
Advanced Research Projects Agency → |
| hardwarePlatform |
Honeywell DDP-516
→
|
| historicalSignificance |
formed backbone of early ARPANET
→
pioneering packet-switching node → precursor to modern internet routers → |
| implements |
error control mechanisms
→
flow control mechanisms → packet switching → routing algorithms → store-and-forward communication → |
| inspired |
later router architectures
→
|
| managedBy |
BBN Network Operations Center
→
Network Control Center → |
| maxHostsPerIMP |
4
→
|
| networkRole |
packet switch
→
store-and-forward node → |
| operationalLayer |
subnetwork layer below host protocols
→
|
| packetSize |
fixed-size packets
→
|
| partOf |
early Internet infrastructure
→
|
| replacedBy |
modern internet routers
→
|
| status |
obsolete
→
|
| usedInNetwork |
ARPANET
→
|
| usedProtocol |
1822 protocol
→
early ARPANET host-to-IMP protocol → |
Referenced by (7)
| Subject (surface form when different) | Predicate |
|---|---|
|
ARPANET Interface Message Processor platform
("Interface Message Processor system")
→
IMP → |
alsoKnownAs |
|
BBN Technologies
→
Bolt Beranek and Newman → |
developed |
|
Bolt Beranek and Newman
→
|
notableWork |
|
NCP
("Interface Message Processors")
→
|
operatedOver |
|
ARPANET
→
|
usesTechnology |