[AusNOG] Time for AusSOG I think (was Re: Happy Sysadminday)

Mark Prior mrp at mrp.net
Mon Aug 2 15:37:59 EST 2010

On 2/08/10 3:01 PM, Andrew Fort wrote:
> On Mon, Aug 2, 2010 at 3:16 PM, Mark Prior<mrp at mrp.net>  wrote:
>> On 2/08/10 1:28 PM, Narelle wrote:
>>> One of the assertions is that installing ROADMs (reconfigurable
>>> optical add drop muxes) will muck up future ultra high bandwidth
>>> systems that will be required between future data centres.
>> I would imagine that you would still need them if you want to add or
>> drop along the path but not if they are just acting as an optical amplifier.
>> Mark.
> Right.  Perhaps the lesson from Vijay is if you're building your own
> fibre network and you have billions of dollars of capital, you should
> just build point-to-point everywhere you need (over DWDM via 10G LAN
> PHY) and stick high capacity Ethernet routers (with big buffers, such
> as the Arista stuff) to do your "drops", since that SoNET stuff is for
> dinosaurs. :-).

I think in this context 10G LAN PHY is also for dinosaurs and a DWDM 
providing a 100G hand-off to a router is the way to go :-)

Do Arista make routers? I thought they only did L2 switches.


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