3 ms·

So it seems that each group of nations needs/wants physical networks because it's not enough to use encrypted communication on others'. How many is enough, 3, 4

So it seems that each group of nations needs/wants physical networks because it's not enough to use encrypted communication on others'. How many is enough, 3, 4, more? Is this solvable with a single network? e.g. Is there a way of anonymizing users of a network preventing discrimination, analogous to cryptocurrency?

zamadatix 4y ago
I'm not sure encryption really solves the root issue that is autonomy.
playingalong 4y ago
Confidentiality is not enough to claim Security. You also need Availability.
- karmakaze 4y ago
  The point is if users are truly anonymous, you can't be selectively available as you can't discriminate. It's either entirely available or unavailable.
  - cryptonector 4y ago
    Except that you will have to authenticate to use any one such network. They're not going to provide free service, and they're not going to allow parties they don't want to allow or which they are told not to allow.
PeterisP 4y ago
You might anonymize users, but for this tech you can't anonymize location, so blocking communications for certain locations is possible and governments really, really want to ensure that they have a system where nobody else can deny them ability to talk to a certain place.
- karmakaze 4y ago
  Can satellites know precise location or only timings to get a ring of uncertainty? Also transmissions could be delayed/weakened to simulate being farther away. I don't know much anything about satellite communications which is why I was hoping someone who did could chime in.
  - PeterisP 4y ago
    Depends on the satellites (for GEO ones it's very different), but for the particular case of Starlink, there are two aspects - first, as satellites are relatively low, each satellite can only possibly "see" a ~1000km radius so disconnecting certain large regions is trivial by having the satellite not work when it's above that area; but the main issue is that an important component to ensure their bandwidth is 'beamforming', focusing the antennas to cells which IIRC are something like 50km in size, so a Starlink satellite can be physically reachable for one city and not in the neighboring one, without the ground-based receiver being able to do anything about it.

zamadatix 4y ago

I'm not sure encryption really solves the root issue that is autonomy.

playingalong 4y ago

Confidentiality is not enough to claim Security. You also need Availability.

karmakaze 4y ago
The point is if users are truly anonymous, you can't be selectively available as you can't discriminate. It's either entirely available or unavailable.
- cryptonector 4y ago
  Except that you will have to authenticate to use any one such network. They're not going to provide free service, and they're not going to allow parties they don't want to allow or which they are told not to allow.

PeterisP 4y ago

You might anonymize users, but for this tech you can't anonymize location, so blocking communications for certain locations is possible and governments really, really want to ensure that they have a system where nobody else can deny them ability to talk to a certain place.

karmakaze 4y ago
Can satellites know precise location or only timings to get a ring of uncertainty? Also transmissions could be delayed/weakened to simulate being farther away. I don't know much anything about satellite communications which is why I was hoping someone who did could chime in.
- PeterisP 4y ago
  Depends on the satellites (for GEO ones it's very different), but for the particular case of Starlink, there are two aspects - first, as satellites are relatively low, each satellite can only possibly "see" a ~1000km radius so disconnecting certain large regions is trivial by having the satellite not work when it's above that area; but the main issue is that an important component to ensure their bandwidth is 'beamforming', focusing the antennas to cells which IIRC are something like 50km in size, so a Starlink satellite can be physically reachable for one city and not in the neighboring one, without the ground-based receiver being able to do anything about it.