Clear explanations of IT concepts, protocols, architecture and enterprise technologies.
Understand the technology behind your infrastructure.
A Storage Area Network (SAN) is a dedicated high-speed network that gives servers block-level access to consolidated, shared storage. This explainer covers how a SAN works, its architecture, Fibre Channel vs iSCSI vs NVMe over Fabrics, use cases, limits, and how it differs from NAS and DAS.
LoRaWAN is a low-power, wide-area network protocol that connects IoT devices over distances up to 15 km on unlicensed spectrum. How it works, when to use it, and how it compares to NB-IoT and Sigfox.
SNMP explained: how the Simple Network Management Protocol monitors and manages network devices through managers, agents, MIBs, and OIDs - and why SNMPv3 is the version that matters for security.
An SLA (Service Level Agreement) is a contract defining the service level a provider commits to - with metrics, remedies, and exclusions. Learn how SLAs work, the availability 'nines', and how they differ from SLOs and SLIs.
