>>> you either do it twice or you do it once and break >>> SLA and apologise regularly.
Well said. Shows up outside networks too, CPU instruction lockstepping was built on the same principle. https://en.wikipedia.org/wiki/Lockstep_(computing) On Monday, September 15th, 2025 at 1:14 AM, Saku Ytti via NANOG <[email protected]> wrote: > > > On Sun, 14 Sept 2025 at 23:29, Mike Hammett via NANOG > [email protected] wrote: > > > I have a radio station customer who is utilizing one of those streaming > > services to bring their broadcast station online. We've received a > > complaint of a half dozen or so 1-second drops in connectivity over the > > Internet to this streaming service in the six or so months they've been a > > customer. I consider that pretty amazing service delivery. However, the > > customer does not. I suspect this is a layer 8 issue, but what have your > > experiences been in these kinds of situations, and what technical remedies > > would be available? I don't know what sub-second failover systems exist, > > but I'm sure they're not cost-effective if they do. > > > Lot more information would be needed to meaningfully contribute. > > But generally speaking if the price expectation is anywhere near what > Internet services typically are, the customer is definitely asking too > much. And your contract terms should make it clear that this level of > service availability is within the SLA. > > Having said that, I used to work for a company that provides streams > for terrestrial tv. Not IP-TV, regular antenna TV. How this was done > was that there was dual-plane MPLS/IP backplane and the stream was > sent through both planes, at the antenna site a duplicate packet was > dropped before content was fed to the transmitters. > If you have a very high expectation of availability, you'll very > quickly find that you either do it twice or you do it once and break > SLA and apologise regularly. > > > > -- > ++ytti > _______________________________________________ > NANOG mailing list > https://lists.nanog.org/archives/list/[email protected]/message/OULXCJ2AEZARB56IMXJSUXIKI45NHIIT/
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