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Glossary

Technology, explained clearly. Find a term, choose a letter or narrow the topic. Definitions include sources and their review date.

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RServers

Redis

A data store using memory and structures including lists, sets and hashes. It can support caching and queues. Durability depends on configuration; Redis need not hold only temporary data.

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RServers

Replication

Copying data changes between instances through a defined mechanism. Replicas can reproduce accidental deletions and therefore do not replace independent backups.

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RServers

Reverse proxy

A server accepting client requests and forwarding them to backend services. It may handle TLS or caching and must protect trust headers and private content.

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RServers

rsync

A local and remote file-synchronisation tool reducing unchanged transfers. Deletion options need care; synchronisation is not automatically a versioned backup.

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RServers

RTO and RPO

RTO targets restoration time; RPO targets the tolerable data-loss point in time. These are design objectives requiring recovery-test validation.

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