Defense Data Network
E4012
The Defense Data Network was a U.S. Department of Defense global computer network that succeeded ARPANET and supported secure military and government communications.
Aliases (1)
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
computer network
→
military communications network → |
| basedOn |
ARPANET technology
→
|
| connects |
defense research facilities
→
government data centers → military installations → |
| country |
United States
→
|
| developedBy |
Defense Advanced Research Projects Agency
→
United States Department of Defense → |
| endTime |
1990s
→
|
| follows |
ARPANET
→
|
| hasPart |
MILNET
→
classified networks → packet-switched subnetworks → unclassified networks → |
| inception |
1983
→
|
| industry |
computer networking
→
telecommunications → |
| location |
global
→
|
| networkType |
wide area network
→
|
| notableFeature |
segregation of military and research traffic from ARPANET
→
support for secure packet-switched communications → |
| operator |
Defense Communications Agency
→
United States Department of Defense → |
| ownedBy |
United States Department of Defense
→
|
| partOf |
Defense Communications System
→
|
| purpose |
support U.S. government communications
→
support secure military communications → |
| replacedBy |
Defense Information Systems Network
→
|
| securityClassification |
classified
→
unclassified → |
| startTime |
early 1980s
→
|
| status |
defunct
→
|
| user |
U.S. federal government agencies
→
United States military → |
| uses |
TCP/IP
→
|
| usesProtocol |
Internet Protocol
→
Transmission Control Protocol → |
Referenced by (3)
| Subject (surface form when different) | Predicate |
|---|---|
|
Defense Communications Agency
("Defense Communications System")
→
|
notableSystem |
|
MILNET
→
|
partOf |
|
ARPANET
→
|
replacedBy |