Sounds good to me! Jon Langeler Michwave Technologies, Inc.
> On Jun 29, 2016, at 8:32 PM, Eric Kuhnke <[email protected]> wrote: > > For the past several hours I've been reading documents/PDFs from the last > Open Compute Summit and other datacenter/cloud scale collaborative projects... > > One of the things we're going to see very soon is fast and cheap SFP28 for 25 > gigabit ethernet. White box switch equipment manufacturers in Taiwan and > China have taken one quarter of the data lanes used for 100 gigabit ethernet > (which is usually implemented with 4 x 25 Gbps serializer/deserializers on > the silicon side) and made it work with a 25 Gbps SFP+ form factor. > > Since it's the same size as a SFP+, possible to build a 48-port x 25 Gbps > linecard or switch in a normal rack form factor. > > Already I'm seeing SFP28 direct attach cables for server-to-switch at $59 > each. > > Breakout direct attach cables that take one QSFP28 100GbE port and turn it > into 4 x 25GbE at about $200 each. > > There are 25Gbps SFP28 1310nm optical, nominally 10km reach optics. > > http://www.qlogic.com/Resources/Documents/WhitePapers/Adapters/WP_25Gb_Ethernet.pdf > > http://www.cisco.com/c/en/us/products/collateral/interfaces-modules/transceiver-modules/datasheet-c78-736950.html > >
