But talking about commodity isn't this mainly Broadcom ? And is there single chip there which does not support line rate IP ? Or is there any chip which supports MPLS and cost less then IP/MPLS one ?
On Fri, Jun 19, 2020 at 1:22 PM Benny Lyne Amorsen via cisco-nsp < [email protected]> wrote: > > > > ---------- Forwarded message ---------- > From: Benny Lyne Amorsen <[email protected]> > To: [email protected] > Cc: > Bcc: > Date: Fri, 19 Jun 2020 13:12:06 +0200 > Subject: Re: [c-nsp] Devil's Advocate - Segment Routing, Why? > Saku Ytti <[email protected]> writes: > > > This is simply not fundamentally true, it may be true due to market > > perversion. But give student homework to design label switching chip > > and IPv6 switching chip, and you'll use less silicon for the label > > switching chip. And of course you spend less overhead on the tunnel. > > What you say is obviously true. > > However, no one AFAIK makes an MPLS switch at prices comparable to basic > layer 3 IPv6 switches. You can argue that it is a market failure as much > as you want, but I can only buy what is on the market. According to the > market, MPLS is strictly Service Provider, with the accompanying Service > Provider markup (and then ridiculous discounts to make the prices seem > reasonable). Enterprise and datacenter are not generally using MPLS, and > I can only look on in envy at the prices of their equipment. > > There is room for a startup to rethink the service provider market by > using commodity enterprise equipment. Right now that means dumping MPLS, > since that is only available (if at all) at the most expensive license > level. Meanwhile you can get get low-scale BGPv6 and line-speed GRE with > commodity hardware without extra licenses. > > I am not saying that it will be easy to manage such a network, the > tooling for MPLS is vastly superior. I am merely saying that with just a > simple IPv6-to-the-edge network you can deliver similar services to an > MPLS-to-the-edge network at lower cost, if you can figure out how to > build the tooling. > > Per-packet overhead is hefty. Is that a problem today? > > > > > ---------- Forwarded message ---------- > From: Benny Lyne Amorsen via cisco-nsp <[email protected]> > To: [email protected] > Cc: > Bcc: > Date: Fri, 19 Jun 2020 13:12:06 +0200 > Subject: Re: [c-nsp] Devil's Advocate - Segment Routing, Why? > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
