[Tagging] Feature Proposal - RFC - Telecom local netwoks
61sundowner at gmail.com
Tue Jun 12 09:52:18 UTC 2018
On 12/06/18 19:26, Paul Allen wrote:
> On Mon, Jun 11, 2018 at 11:51 PM, François Lacombe
> <fl.infosreseaux at gmail.com <mailto:fl.infosreseaux at gmail.com>> wrote:
> Could someone confirm that point to point or GPON fibre networks
> are connected to a telephone exchange building too?
> I think that's a reasonable assumption that will rarely be incorrect.
> Fibre was first used to replace many copper lines
> between telephone exchanges and all else has been built upon from
> that. First with ADSL where the DSLAMs were
> in the exchange. Later with FTTC and FTTP where the exchange was the
> star point for tunnels/hubs/poles. Note
> for technical purists: that was a gross oversimplification.
> Can we call a fibre dedicated building a telephone exchange also ?
> A good question. And the answer is, it depends.
> LINX (London Internet Exchange) is an example of a fibre-dedicated
> building that isn't about voice (although
> VoIP may pass through it as just one component of all the traffic). I
> wouldn't call it a telephone exchange.
> OTOH, BT/Openreach plans to switch all POTS over to VoIP over
> FTTC/FTTP. When that happens the old
> telephone exchanges will be fibre dedicated, but they will still be
> telephone exchanges.
> It's possible telcos have buildings that are star points for fibre
> trunks with no local loops. I wouldn't call those
> telephone exchanges. Depending on the packet protocols they may not
> even be internet exchanges.
> My feeling on this is that if it has local loops (or the FTTC/FTTP
> equivalent) it's a telephone exchange; if it
> doesn't have them it's not.
What about calling them an 'exchange' ... though it could be confused
with money - foreign currency trading etc.
So umm 'communication exchange' ?
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