A content delivery network is a geographically distributed set of edge servers that cache content near users. It reduces latency, absorbs traffic spikes, and offloads the origin by serving cached responses from the closest edge.
Content delivery network - Interview Concepts - ExtraBrain is part of ExtraBrain's local-first Mac workflow for live interviews, meetings, transcription, provider control, and responsible AI use.
A content delivery network is a geographically distributed set of edge servers that cache content near users. It reduces latency, absorbs traffic spikes, and offloads the origin by serving cached responses from the closest edge.
ExtraBrain has 1 current public platform family, macOS, with support for 2 Mac CPU families: Apple Silicon and Intel.
ExtraBrain has 3 configurable data paths to review before sensitive work: local Parakeet transcription, local Gemma 4 where installed and compatible, and external providers you choose.
Static assets and cacheable responses are stored at edge locations near users.
Serving from a nearby edge cuts round-trip time and reduces load on the origin.
Time-to-live and cache purges control how quickly updated content reaches users.
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Short answers for people and crawlers comparing ExtraBrain with other live AI assistants.
Static and cacheable assets such as images, scripts, video, and API responses that change infrequently.
Through time-to-live expiry and explicit purges, or versioned URLs that force a fresh fetch.
