17. In the cloud you determine the SLA you provide not AWS
18.
Notas del editor
Create apps that are stateless, the next step in the users flow shout not depend on going to the same serverIf you create the app to be server independent then working across multiple regions is simpleSmart monitoring: I prefer to keep my monitoring outside AWSCreate smart alerts (don’t send an email out if one server responded once over threshold, aws is notorious for network latencies) , Noisy neighbor issueDB independent design: for some app this is easier said than done, use memcached, deprecate features, use AJAX etcPause certain features, but not out of desperation plan for it.Use dns load balancing, when a user makes a request to your browser it first goes to a dns server and this responds with a set of ip addressesUse a CDN for static and maybe dynamic content