Drops in Core

[swhyte at gmail.com (Scott Whyte)]

On 8/15/15 09:47, Glen Kent wrote:
> Hi,
>
> Is it fair to say that most traffic drops happen in the access layers, or
> the first and the last miles, and the % of packet drops in the core are
> minimal? So, if the packet has made it past the first mile and has
> "entered" the core then chances are high that the packet will safely get
> across till the exit in the core. Sure once it gets off the core, then all
> bets are off on whether it will get dropped or not. However, the key point
> is that the core usually does not drop too many packets - the probability
> of drops are highest in the access side.

What do these terms mean in a world where my EC2 VM talks to my GCE VM? 
  It doesn't seem unreasonable that the DC bandwidth on either end 
dwarfs the "core" capacity between the two.

>
> Is this correct?
>
> Glen
>