Drops in Core
Scott Whyte
swhyte at gmail.com
Mon Aug 17 17:44:43 UTC 2015
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
>
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