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> when they get rid of their circuit switched fallback networks Why? Isn't that stuff they run in software (on network hardware) and could emulate forever for
by tpmx 5y ago
> when they get rid of their circuit switched fallback networks
Why? Isn't that stuff they run in software (on network hardware) and could emulate forever for a low cost? (Or at least for another decade until very, very few people would care.)
- g_p 5y agoNot really - many are still running it on legacy appliances like they have done for years. There's also a lot of implications of moving CSFB type functions into the IT environment due to completely different security assumptions in both worlds. That's not to say you can't do it, but the circuit switched networks are very often actual literal networks of legacy hardware that operators want to get rid of and take out of service. The cost of keeping legacy systems going is also raised due to skills shortages and limited expertise. Another reason operators will try to get rid of it if possible.