Typically, there are 4 categories of solutions telcos have been exploring:
- Open source-based implementation, augmented by internal work
- Open source-based implementation, augmented by traditional vendor
- IT / traditional vendor semi proprietary solution
- Cloud provider solution
The jury is still out as to which option will prevail, as they all have seen growing pains and setbacks.
Here is a quick cheat sheet of some possibilities, based on your priorities:
Obviously, this table changes quite often, based on progress and announcements of the various players, but it can come handy if you want to evaluate, at high level, what are some of the options and pros / cons of deploying one vendor or open source project vs another.
Details, comments are part of my workshops and report on telco edge and hybrid cloud networks.