Cloud vs. on-premises is about shaping risk

TL;DR: moving to the public cloud consolidates many small risks into few large ones. A recent GCP cloud outage (https://status.cloud.google.com/incident/cloud-networking/20004) highlights an issue with running more and more parts of the internet on the same infrastructure: as more computing resources consolidate in large cloud providers' data centres, the risk of a significant, global outage of … Continue reading Cloud vs. on-premises is about shaping risk

The problem with standardisation

Standards are a double-edged swordSubbu Allamaraju, CTO Expedia, https://m.subbu.org/lessons-from-2019-5beb64e63bc7 TL;DR: Standardisation reduces the dimensionality of a problem space thus eliminating possibilities for optimisation. Standards reduce the number dimensions of a problem space Consolidation initiatives aim at reducing the number of domains in a problem space in order to make problem handling easier: reduce the number … Continue reading The problem with standardisation

The Model-View-Presenter-Controller pattern

In this post I'll talk about the MVPC (Model-View-Presenter-Controller) design pattern I use in client applications such as progressive web apps and mobile clients. It can be best understood as an evolution of the MVC (model-view-controller) pattern past the MVP (model-view-presenter) pattern. The basics: MVC and MVP You might want to skip this section if … Continue reading The Model-View-Presenter-Controller pattern

Book of dark arts: storing data in the view

Pentagram, source Wikipedia. Towards the end of the year I'll indulge in the dark arts, join the goblins and leave my white architect hat under the Christmas tree where it belongs. I'm helping a friend (a technically minded, non-programmer) write his first mobile app . We wanted to keep everything simple: use technologies which can … Continue reading Book of dark arts: storing data in the view

Software architecture for 5G networks

The 5G mobile network specification introduces network function virtualization [NFV] which enables mobile network operators (carriers henceforth) to expose network resources to business applications as PaaS solution building blocks [SBB]. Naturally, this moves 5G into the focus of software architecture. Unsurprisingly, the NFV specs detail services from the carrier's  point of view, so they are … Continue reading Software architecture for 5G networks