September 2010 Summaries

PagerDuty's hosting experience on AWS reveals significant challenges despite the platform's promise of pre-built, managed components, such as the elastic load balancer (ELB), which efficiently distributes traffic and handles instance failures. However, the ELB's lack of static IPs poses substantial issues, such as the inability to use CNAME records for the root domain and complications with email acceptance due to DNS limitations. This creates branding and operational hurdles for businesses, including PagerDuty, requiring both web hosting and email functionality. Additionally, the absence of static IPs complicates disaster recovery, as DNS records cannot be quickly adjusted if the ELB fails. The suggested solution is to allow mapping of Amazon Elastic IPs to ELBs, which would resolve these DNS issues and enable swift recovery by remapping IPs without needing DNS changes, though this conflicts with AWS's existing architectural design.