OSI Model

The Open Systems Interconnection model (OSI model) defines a concept where every function of a computing system resides at one of its seven levels. When people say, “Layer 3 routing” or “L7 load balancing” they are referring to the OSI Model. Sign up for DevOps'ish! DevOps'ish is a weekly newsletter covering DevOps, Cloud Native, Open Source, and the 'ish between. It is an incredibly handy tool for troubleshooting as it reminds you to check the system at each layer. [Read More]