Insights
From the work.
For the decisions.
Perspectives on the choices behind infrastructure: where to place it, how to run it and when to invest in what comes next.
Engineering & business
Perspectives from IOOperating perspectives and retrospective analysis. Context dates identify the developments discussed; publication dates are shown separately.
Before you add capacity, find the constraint.
A full server is a signal to investigate. The right next investment depends on what is actually limiting the service.
The purchase price is only the first number.
Equipment decisions connect capital with years of power, connectivity, maintenance and changing demand.
A backup is a component. Recovery is the work.
A useful recovery plan starts with the service that must return, the data it needs and the people responsible.
Keeping routing authorisations aligned with the network.
Routing security depends on current records and clear ownership. The work continues when addresses, origins and providers change.
The overlooked side of IPv6 security.
A large address space does not remove the need for an accurate inventory, explicit access rules and visibility into the management plane.
Measuring GPU capacity by the jobs it can run.
Available accelerators can still be difficult to use. Placement, topology and the shape of a workload belong in capacity planning.
Certificate automation ends at the live endpoint.
A successful issuance job is only one step. Reliability depends on the certificate reaching every service that is expected to present it.
Power availability belongs in the investment case.
Energy price is one variable. Connection timing, usable capacity and the terms of expansion can determine whether an infrastructure plan works at all.
Buying AI infrastructure as a complete system.
A new generation of accelerators changes more than the hardware specification. The investment decision has to include everything required to put that capacity to work.
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