Thank you for all the on-list and off-list replies.. The project I was looking for was/is called SIR.. (SDN Internet Router) and the original presentation was done by David Barroso..
Thanks to everyone who responded ! Regards. Faisal Imtiaz Snappy Internet & Telecom 7266 SW 48 Street Miami, FL 33155 Tel: 305 663 5518 x 232 Help-desk: (305)663-5518 Option 2 or Email: supp...@snappytelecom.net ----- Original Message ----- > From: "Tore Anderson" <t...@fud.no> > To: "Saku Ytti" <s...@ytti.fi> > Cc: "nanog list" <nanog@nanog.org> > Sent: Monday, January 16, 2017 1:40:47 AM > Subject: Re: External BGP Controller for L3 Switch BGP routing > Hi Saku, > >> > https://www.redpill-linpro.com/sysadvent/2016/12/09/slimming-routing-table.html >> >> --- >> As described in a prevous post, we’re testing a HPE Altoline 6920 in >> our lab. The Altoline 6920 is, like other switches based on the >> Broadcom Trident II chipset, able to handle up to 720 Gbps of >> throughput, packing 48x10GbE + 6x40GbE ports in a compact 1RU chassis. >> Its price is in all likelihood a single-digit percentage of the price >> of a traditional Internet router with a comparable throughput rating. >> --- >> >> This makes it sound like small-FIB router is single-digit percentage >> cost of full-FIB. > > Do you know of any traditional «Internet scale» router that can do ~720 > Gbps of throughput for less than 10x the price of a Trident II box? Or > even <100kUSD? (Disregarding any volume discounts.) > >> Also having Trident in Internet facing interface may be suspect, >> especially if you need to go from fast interface to slow or busy >> interface, due to very minor packet buffers. This obviously won't be >> much of a problem in inside-DC traffic. > > Quite the opposite, changing between different interface speeds happens > very commonly inside the data centre (and most of the time it's done by > shallow-buffered switches using Trident II or similar chips). > > One ubiquitous configuration has the servers and any external uplinks > attached with 10GE to leaf switches which in turn connects to a 40GE > spine layer with. In this config server<->server and server<->Internet > packets will need to change speed twice: > > [server]-10GE-(leafX)-40GE-(spine)-40GE-(leafY)-10GE-[server/internet] > > I suppose you could for example use a couple of MX240s or something as > a special-purpose leaf layer for external connectivity. > MPC5E-40G10G-IRB or something towards the 40GE spines and any regular > 10GE MPC towards the exits. That way you'd only have one > shallow-buffered speed conversion remaining. But I'm very sceptical if > something like this makes sense after taking the cost/benefit ratio > into account. > > Tore