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67 posts

Challenges in Building SaaS Billing

By far the most consistent area of focus I’ve had in my career is monitoring and observability. Way back in 2005 while at Orbitz, I had the opportunity to learn from and work alongside Chris Davis, the original author of Graphite. It was an enormous success both at Orbitz and within the industry as a whole, and it’s been an honor and privilege to essentially ride that initial wave of monitoring innovation my whole career.

6 years later, another adjacent area emerged as my second-most common area of focus, and that is the collection of specific metrics used to quantify end-user usage, which are typically used to generate the bills for SaaS companies which have any sort of pay-per-use cost dimensions. Even including Omnistrate, I’ve now had direct involvement with the design and development of the metrics systems and/or billing integrations for the past 5 companies I’ve worked at over the past decade, and it’s incredible to me how similar the problems and solutions have been even when the industry or design of each business’ technical architecture has been so different from each other.

In today’s post I’d like to explore the internal complexities of SaaS billing systems and what challenges and design patterns for addressing them keep showing up. Hopefully by the end of this you’ll have a better understanding of how SaaS billing works and a blueprint for how to go about implementing it yourself if you need to.

Provisioning and Deployments - Your SaaS Foundation

Before the cloud, getting fresh hardware and deploying your new software was always done in big budget events involving procurement, finance, several IT teams and the whole process included no small amount of arguing most of the time.

Now that we have the ability to just press a button or make an API call to have a trove of shiny, powerful VMs added to our fleet at a moments’ notice, surely all the other problems regarding provisioning have been simplified as well, right?

Why Enterprises are Shifting to SaaS

In today's fast-paced digital landscape, the way enterprises consume and leverage software is undergoing a profound transformation. No longer confined to the traditional bounds of on-premises solutions and cumbersome software updates, businesses worldwide are pivoting towards Software as a Service (SaaS) platforms.

Beyond the obvious allure of cost savings and scalability, what deeper transformations are driving this shift? As we delve deeper into this transformative journey, we'll uncover the compelling reasons why enterprises are increasingly putting their trust in SaaS solutions and how this paradigm shift is reshaping the future of business technology.

Diving Deep into Control and Data Plane Responsibilities

Building upon our initial introduction of the control and data planes, this post delves deep into the interplay between these two planes. Shedding light on their individual roles and their combined impact on the overall SaaS experience. As we navigate through this post, we'll uncover the magic behind how these components work in tandem to ensure seamless operations, swift data transfers, and a scalable environment.

Why is the SaaS Paradigm so Powerful?

Software as a Service, commonly known as SaaS, is more than just a tech buzzword. It has reinvented the software ecosystem and redefined the user experience. Let’s delve deeper into why the SaaS model is a game-changer, elucidating each point with detailed explanations and real-world examples.

Introduction to Control Plane and Data Plane

In the world of computing and cloud services, the terms "control plane" and “data plane” are increasingly mentioned, even though these are actually older terms that originally came about in the networking world. This blog post aims to dive into the history of these concepts, where they are used and why, and how they’ve been extended into the emerging domain of SaaS. Let's dive in.

The Future of SaaS and Kubernetes: Trends and Predictions

Software as a Service (SaaS) is a popular and convenient way of delivering applications over the internet, without requiring users to install or maintain them on their own devices. SaaS providers can offer scalable, secure, and cost-effective solutions to their customers, while also benefiting from faster development cycles and lower operational overhead.

Kubernetes is an open-source platform that enables SaaS providers to automate the deployment, scaling, and management of their applications across multiple clusters of servers. Kubernetes provides a consistent and reliable environment for running SaaS applications, regardless of the underlying infrastructure or cloud provider. Kubernetes also offers features such as service discovery, load balancing, health checks, configuration management, and security policies that simplify the development and operation of SaaS applications.