Journey of an IT Architect
-
Introduction to Active Directory (AD)
ReadWorkgroup, homegroup and Windows Domain A workgroup is a group of computers on the same local network. A Windows computer not joined to a domain…
-
High Availability and Load Balancer
ReadOverview 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 as a reverse proxy for Nifi web UI and Kibana
ReadNginx can act as a application neutral proxy. One example is to front Nifi. The nifi default configuration provides an HTTP access point, specified in…
-
Networking Basics 3 of 3 – common network protocols and technologies
ReadThe 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…
-
Networking basics 2 of 3 – Layer 4 and common network configurations
ReadTransport Layer Transport Layer handles multiplexing & de-multiplexing through ports. Port is more or less a virtual concept. Source port is usually ephemeral. Two dominant…
-
Storage Nitty-Gritty 5 of 5 – Replication
ReadReplication Terms PIT (point in time) replica – snapshot of the source at some specific timestamp;Continuous Replica – always in-sync with the production data;Recoverability –…