Knowledge base

Explanations that make sense.

Articles about networking, colocation and Odoo — in plain language, written by our engineers. No marketing stories, just answers.

Cloud & infra

Building your own cloud: the architecture behind PlanetNode

How we built a complete open source cloud platform on Proxmox for our sister company PlanetNode: our own template pipeline, our own metadata service and provisioning driven straight from the customer portal.

30 July 20269 min read
Network

95th percentile billing explained

How 95th percentile billing works: a data point every five minutes, the highest 5% discarded. Why short peaks cost you nothing and how to pick your commit.

23 July 20265 min read
Odoo

Odoo as the engine behind your webshop: the FiberNXT case

How the FiberNXT B.V. webshop (Medusa) integrates with Odoo: webhooks, real-time stock, automatic sales orders and payments that reconcile themselves — and where to draw the line between shop and ERP.

16 July 20267 min read
Colocation

Data centre migration: the runbook

A data centre migration is not a move of equipment but of dependencies. How you work out the boot order and what has to be in place before the first server leaves the building.

10 July 20269 min read
Odoo

Self-hosted, Odoo.sh or Odoo Online: which do you choose?

The three ways of running Odoo compared honestly: Odoo Online, Odoo.sh and self-hosted. Costs, customisation, upgrades and data residency.

6 July 20266 min read
Colocation

What is colocation?

Colocation explained: your own servers in a professional data centre. What you get, how it differs from cloud and an in-house server room, and when it fits.

3 July 20265 min read
Network

DDoS attacks: how to protect your infrastructure

How DDoS attacks work — volumetric, protocol and application layer — and the defence that goes with each: from BCP38 and blackholing to FlowSpec and scrubbing (NaWas).

24 June 20267 min read
Network

EVPN-VXLAN explained: Layer 2 without the classic misery

How EVPN-VXLAN works: VXLAN as the dataplane (L2 over a routed network), EVPN as the BGP control plane. And why this has replaced classic L2-over-WAN with spanning tree.

17 June 20267 min read
Odoo

OSS VAT in Odoo: EU sales without foreign registrations

Do you sell to consumers in other EU countries? Here is how to set up the One Stop Shop (Union scheme) in Odoo: fiscal positions, rates and the report for your return.

9 June 20266 min read
Colocation

What does colocation cost per rack?

How a colocation price is built up: space, power and network as three separate items, plus one-off costs. With a worked example and starting prices.

3 June 20265 min read
Network

BGP communities: tagging routes and steering traffic

What BGP communities are and what you can do with them: informational tags, traffic engineering with prepends, selective announcements and blackholing. Including the difference between standard, extended and large communities.

28 May 20266 min read
Colocation

Power in the data centre: A/B feeds and what you actually use

Two power supplies does not mean twice the power. How A and B feeds work, why your connected load and your consumption are two different things, and what you are billed for.

20 May 20265 min read
Odoo

Odoo 19 and the end of XML-RPC: migrating to JSON-2

Odoo 19 deprecates XML-RPC and JSON-RPC; the replacement is the JSON-2 API. What does that mean for your integrations — and how do you migrate in time?

13 May 20267 min read
Network

What is a wavelength (DWDM)?

Wavelengths explained with a simple analogy: one optical fibre, dozens of colours of light, and one colour entirely for you. On DWDM and when a wave fits.

1 May 20264 min read
Odoo

Regex in reconciliation models

Regex in Odoo reconciliation models: Match Regex and From label. Examples and a testing tip. In plain language.

21 April 20263 min read
Network

BGP transit or Managed Internet Access?

The difference between internet over BGP/IP transit with your own AS and Managed Internet Access (MIA). When do you pick which — and what does it mean for control, redundancy and growth?

9 April 20266 min read
Odoo

Reconciliation models for automatic bank reconciliation

Reconciliation models in Odoo explained: manual and automatic, match conditions, counterpart items, standard models. In plain language.

31 March 20265 min read
Network

What is IP transit?

IP transit explained: how your network reaches the rest of the internet through a transit provider. On autonomous systems, BGP, the full table and multihoming.

19 March 20266 min read
Odoo

The cash flow statement in Odoo Accounting

Cash flow in Odoo explained: opening balance, operating, investing, account tags. In plain language.

10 March 20264 min read

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