Distributed applications (distributed apps) are applications or software that run on multiple computers within a network at the same time and can be stored on servers or cloud computing platforms.
Distributed caches find use in conventional J2EE applications that provide the backbone for server clustering. For example, if you have a distributed, clustered Web application, a distributed cache ...
All distributed tracing tools do the same basic thing: monitor user requests as they flow through different services and components in a distributed system, such as a microservices-based application.