On Thu, Aug 30, 2018 at 7:01 AM, Scott McGrath <scmcgr...@gmail.com> wrote:
> > > > Without precision timing there is no telephone network, cell phones or > internet. And that only became true in the last 20 years or so as long > haul networks went from FDM on coaxial cable to TDM on fibre. > The Internet is largely asynchronous due to the store-and-forward nature of the routers. Fiber capacity is increased through the use of wavelength division multiplexing (WDM) which is itself a form of FDM. The Internet functions without any sort of central synchronization. Yes, there are portions that run over the synchronized telco services but that is by convenience, not necessity. -- Brian Lloyd 706 Flightline Spring Branch, TX 78070 br...@lloyd.aero +1.210.802-8FLY (1.210.802-8359) _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.