Blockchain Development with Hyperledger

Serviceability

Serviceability or maintainability is the ease with which you can replace or upgrade parts of your system without impacting the system as a whole.

Consider a situation where you must upgrade the operating system on one or more of your ordering service nodes, or if you need to replace a faulty peer within an organization. As with reliability or availability, having redundant (or parallel) resources to which application operations can be switched seamlessly is the way to handle this in an industrial-scale system. So-called Blue-Green deployment is one of the popular mechanisms used for this purpose. In a nutshell, you have two parallel environments (let's say, for the ordering service), one called Blue and one called Green, where ...