Tech blog
Welcome to our tech blog. Browse blog posts and learn more about our edge management and operations platform in more depth.
How to trace Edge Applications with OpenTelemetry in the Avassa Edge Platform
Edge sites often have a set of communicating applications. An end-user transaction on the site results in a sequence of calls between the edge applications. Response times and issues vary per site. Therefore it is useful to be able to trace application calls per site.…
Read moreI need different number of replicas per edge site, can I do that?
Not all sites are of the same size In an Avassa application spec, you often specify how many replicas of a service you want to run at each site. We have learned that this is not often enough. In certain cases, the production sites are…
Read moreDeploying HiveMQ Edge in multiple sites
Edge computing and IoT have a happy marriage. IoT focuses on devices at the edge and data collection. Edge computing enables local processing of that data. There is a range of protocols that are relevant like Modbus and OPC UA. HiveMQ provides a containerized bridge…
Read moreTelemetry bus at the edge – Part 3: Consuming and producing
In the previous post in this blog series, we explained and walked through a bunch of different implementation examples of an edge-native telemetry bus. Take a step back: Telemetry bus at the edge – Part 1: An overview Now, let’s move along! In this blog…
Read moreTelemetry bus at the edge – Part 2: Examples
In this article series, we go deeper in describing the bus; why we built it, and what are the unique features. We illustrate this with some usage examples. In this second part, we’ll look at a few implementation examples. In the previous post in this…
Read moreTelemetry bus at the edge – Part 1: An overview
In order to solve relevant use cases for the edge, Avassa has a built-in edge native telemetry bus; “Volga”. We also sometimes refer to it as the Avassa pub/sub bus. In this article series, we go deeper in describing the bus; why we built it,…
Read moreExperimenting with autonomous self-healing edge sites
In this blog post, I’ll experiment a bit with autonomous self-healing edge sites and how they are crucial for a stellar edge infrastructure. Why are autonomous self-healing edge sites important? The motivations for edge projects are in many cases latency, privacy, network bandwidth optimization, and…
Read moreHow to set up log export from Avassa to Google
In this blog post, I’ll describe how to setup log export to GCP from the Avassa edge platform. Offloading logs While the Avassa platform has a lot of tooling around logs and metrics in our APIs and UI, many of our customers have a hybrid…
Read moreMQTT with Intermittent Networks Connections
MQTT is a very common protocol in IoT scenarios. It’s a lightweight protocol that is widely supported in most corners of this domain. In this article, we take a closer look at how to cache MQTT messages in the the event of a connectivity outage.…
Read moreCan I get an email on alerts?
In this article, we’ll look at how to set up email notifications when an alert is raised in the Avassa platform. This can help users that lack an operation center instantly track alerts through their inbox. No alert shall go unnoticed A recent conversation with…
Read moreUpgrading an application with canary deployment
This post describes how to configure a canary step to application deployments to provide a controlled roll-out. Canary deployments are well-understood in central environments, but looks a little different when deploying to many locations. Deploying to many places is scary, meet our friend the canary…
Read moreWhat happens when a host goes down without Control Tower access?
In this blog post we will look at what happens when a site loses it’s connection to the Control Tower and a host goes down. Given a lot of sites, it will be norm to have a few sites offline, all the time. We consider…
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