> On May 29, 2015, at 8:27 AM, Christopher Morrow <morrowc.li...@gmail.com> > wrote: > > On Fri, May 29, 2015 at 4:22 AM, Owen DeLong <o...@delong.com> wrote: >> Why do you assume some encap/decap process somewhere in this process? > > why do you think they have a single 10/8 deployment per location and > not per customer? if it' sper customer, they have to provide some > encap (I'd think) to avoid lots and lots of headaches. I don't imagine > that if aws/ec2 is 'millions of customers' running on 'cheapest > ethernet reference platform possible' they can do much fancy stuff > with respect to virtual networking. I'd expect almost all of that to > have to happen at the vm-host (not the guest), and that there's just > some very simple encapsulation of traffic from the 'edge' to the > vm-host and then 'native' (for some sense of that word) up to the > 'vm'.
Because that’s what one of their engineers told me at one point in the past. Admittedly, it may have changed. My understanding was along the lines of a very large flat L2 space among the VM Hosts with minimal routing on the hosts and a whole lot of /32 routes. Again, my information may be incomplete, obsolete, or incorrect. Memories of bar conversations get fuzzy after 12+ months. Owen
