Topologies Airborne Networking

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1 topologies

1.1 space, air, ground tether
1.2 flat ad hoc
1.3 tiered ad hoc
1.4 persistent backbone





topologies

there 4 main network topologies deployed , vary based on placement of backbone , subnet class networks.


space, air, ground tether

establishing direct connection aircraft or ground node, via point-to-point link nodes within los or via satellite communications (satcom) link nodes beyond line-of-sight known tethering. satcom links provide connectivity network ground entry point. strike aircraft accompany c2 aircraft such awacs tethered via point-to-point links. finally, c2 or intelligence, surveillance, , reconnaissnce (isr) aircraft may connect via los link directly network ground entry point. each of these tethered alternatives works hub or switch has entry point larger network , allows connected users access network.


flat ad hoc

a flat ad hoc topology refers establishing nonpersistent network connections needed among nodes present @ given time. network nodes dynamically “discover” other nodes can interconnect , form network. specific interconnections between nodes not planned in advance, made opportunities arise. nodes join , leave network @ will, continually changing connections neighbor nodes based upon location , mobility characteristics.


tiered ad hoc

ad hoc networks can flat in sense nodes peers of each other in single network, discussed above, or can dynamically organize hierarchical tiers such higher tiers used move data between more localized subnets. network topology can compared conventional deployed network utilizes routers, switches, , hubs temporarily connect users.


persistent backbone

a network topology characterized persistent backbone established using relatively persistent wideband connections among high-value platforms flying relatively stable orbits. provides connectivity between tactical subnets considered edge networks relative backbone. provides concentration points connectivity space backbone terrestrial networks. type of network topology comparable conventional permanent network established data trunks, routers, switches, , hubs connect users.







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