Overview Fault tolerance and high availability are two architectural characteristics that people often confuse with each other. High availability focuses on minimizing downtime. It guarantees…
Nginx can act as a application neutral proxy. One example is to front Nifi. The nifi default configuration provides an HTTP access point, specified in…
Working in IT, we sometimes want the customer to have an API to perform pre-defined activities on our servers. We are hoping to manage the…
The 5 layer TCP/IP model (or its more rigorously defined alternative OSI model) leads to a whole world of network protocols. Understanding these new protocols…
Transport Layer Transport Layer handles multiplexing & de-multiplexing through ports. Port is more or less a virtual concept. Source port is usually ephemeral. Two dominant…
Replication Terms PIT (point in time) replica – snapshot of the source at some specific timestamp;Continuous Replica – always in-sync with the production data;Recoverability –…