That's a genious idead On Jan 23, 2017 11:17 AM, "Leo Bicknell" <bickn...@ufp.org> wrote:
> In a message written on Sat, Jan 21, 2017 at 03:22:20PM -0600, Stas Bilder > wrote: > > Now, to the projects. > > I have never heard of seen PON on a DC level. > > A friend of mine told me of a fascinating in-data center PON solution. > > He had a customer that needed high speed multicast fan-out. They > chose to use a 10G/1G PON solution, a single source node sending > 10G PON with a 1G backchannel, 100% of the traffic was multicast. > It could be passively split in DC up to 128:1 with zero "packet > loss", good luck finding an Ethernet switch which can take in 10G > of multicast in and turn it into 1280G of multicast out without > dropping a frame. It was all done entirely inside of a single > data center. > > Since then I've mentioned the trick to several other folks I know > who need high speed multicast/broadcast replication. In the DC > distance is rarely an issue, so the solution degenerates to special > SFP's and a splitter, which is pretty dang simple. > > However, this is clearly a corner case, and I agree with your > assessment overall. > > -- > Leo Bicknell - bickn...@ufp.org > PGP keys at http://www.ufp.org/~bicknell/ >
