FYI Netflix is down

Rodrick Brown rodrick.brown at
Tue Jul 3 15:35:06 UTC 2012

On Jul 3, 2012, at 9:11 AM, "Dan Golding" <dgolding at> wrote:

>> -----Original Message-----
>> From: James Downs [mailto:egon at]
>> On Jul 2, 2012, at 7:19 PM, Rodrick Brown wrote:
>>> People are acting as if Netflix is part of some critical service
> they
>> stream movies for Christ sake.  Some acceptable level of loss is fine
>> for 99.99% of Netflix's user base just like cable, electricity and
>> running water I suffer a few hours of losses each year from those
>> services it suck yes, is it the end of the world no..
>> You missed the point.
> And very publically missed the point, too. The Netflix issues led to a
> large discussion of downtime, testing, and fault tolerance that has been
> very useful for the community and could lead to some good content for
> NANOG conferences (/pokes PC). For Netflix (and all other similar
> services) downtime is money and money is downtime. There is a
> quantifiable cost for customer acquisition and a quantifiable churn
> during each minute of downtime. Mature organizations actually calculate
> and track this. The trick is to ensure that you have balanced the cost
> of greater redundancy vs the cost of churn/customer acquisition. If you
> are spending too much on redundancy, it's as big of mistake as spending
> too little. 

I totally got the point and the last bit of my post was just tongue in cheek. 

As I stated in my original response it's very unrealistic to plan for every possible failure scenario given the constraints most businesses face when implementing BCP today. I doubt Amazon gave much thought to multiple site outages and clients not being able to dynamically redeploy their engines because of inaccessibility from ELB.

> Also, I don't think there is an acceptable level of downtime for water.
> Neither do water utilities. 
> - Dan

More information about the NANOG mailing list