On Mon, May 01, 2023 at 02:56:47PM -0600, Matt Erculiani wrote:
> In short, the idea is that optical networks are wasteful and routers do a
> better job making more use of a network's capacity than ROADMs. Take the
> extra router hop (or 3 or 8) versus short-cutting it with an optical
> network because the silicon is so low-latency anyway that it hardly makes a
> difference now. Putting more GBs per second on fewer strands means saving a
> lot of money on infrastructure costs.
This is a very convoluted way of backing into the ole packet-switched
vs. circuit switched decision.
I don't follow.
While ROADMs can be thought of as circuit-switchers,
the number of concurrent clients and switching latency put ROADMs on a different operational level than packet switchers, right?
Cheers,
Etienne