Cloud networking
Practical writing on cloud providers, infrastructure, deployment and cost, from the team behind the BuyCloudExpress catalogue.
Linode after Akamai: what changed and what did not
Akamai's acquisition folded Linode into a much larger edge network. The core VPS product stayed recognisable; the surrounding platform did not.
Choosing a data centre location that matches your users
Region choice sets a latency floor you cannot optimise past, and a legal context you cannot ignore. Both are decided at provisioning time and expensive to…
The egress fee trap
Data going into a cloud is usually free. Data coming out is not, and for some workloads it quietly becomes the largest line on the bill.
Firewalls, security groups and network ACLs
Cloud platforms offer several overlapping ways to filter traffic. They behave differently in ways that matter, and using the wrong one produces rules that do not…
Designing for a region outage without rebuilding everything
Full multi-region redundancy is expensive and hard. There is a great deal of useful resilience available well before that point, and most teams skip straight past…
CDNs: what they fix, and what they do not
A CDN is the highest-return infrastructure change available to most sites, and it is regularly deployed in a way that caches nothing.
Load balancers, explained without the diagram
A load balancer does more than spread traffic. Its health checks, connection draining and TLS handling are what turn a deployment from disruptive into invisible.
Private networking between cloud servers
Servers talking to each other over public addresses is slower, less safe and often billed. Private networking fixes all three, and is far easier to set…
DNS for people who deploy things
DNS causes an outsized share of deployment incidents, almost always through the same handful of misunderstandings about caching, record types and delegation.