Load balancing services with AWS Route53 DNS health checks

DNS is a great technology that everyone uses over internet. How would you reach a given website if you weren’t able to solve its name to the IP address? Would you memorize the public IP addresses of any website you want to reach? No, and with IPv6 coming in the future, DNS will become even more important for internet consumption. But DNS has one drawback: its records are usually static, and if a platform is dynamic and spawn/removes instances on the fly, it needs to have a way to modify the DNS records that are published, so that a non-reachable instances is not even listed.

Un pratico esempio d’uso del vSphere Distributed Switch health check

Recentemente un cliente ha aggiunto a un cluster vSphere un nuovo server ESXi. Possedendo le licenze vCloud Standard, avevamo predisposto tempo addietro un distributed switch per consentire una configurazione automatica, consistente e a prova di errore di tutta la parte di networking dei vari server. Il wizard di migrazione del network infatti aveva funzionato perfettamente […]