

Differences
Between Terrestrial and
Interplanetary Backbones
Delay
(sec)
<
.1
10 to
10,000
Wired; structural,
continuous
Radiant; operational,
intermittent
Medium
Copper,
glass
Space;
high BER
Deployment
$
“low”
Very
high
Operations
$
“low”
High
(power is costly)
Repair,
upgrade $
“low”
Very
high