Emerging Situation
Emerging Situation
Information
Providers
Smartraveler
Web Sites
GBS
Receiver
Network
TV News
MBN
Web Page
Information
Consumers
User 1
User 2
App 2
App 1
PointCast
Tuner
Backweb
Proxy
PointCast
Tuner
Backweb
Tuner
Backweb
Tuner
Castanet
Tuner
Email
Tuner
Channel
Transmitters
(Servers)
Channel
Repeaters
(Intermediate
Servers)
Channel
Tuners
(Clients)
PointCast
I-Server
PointCast
Server
Email
Server
Castanet
Server
GBS
Transmitter
Channel
Builders
CB
CB
CB
Existing/Emerging Transmission Protocols/Media
= Custom Developed
= Mostly COTS/GOTS
Email
Backweb
Server