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term

Edge Function

Code executed at a CDN point of presence close to the user, in a constrained, fast-starting runtime, typically to modify or route a request before it reaches an origin.

Edge Computing term

Admission Control

Deciding at the edge whether to accept a request at all, based on current capacity, before any work is done on it.

Load Shedding term

Content Delivery Network

A geographically distributed cache that serves content from a location near the user instead of from the origin.

Networking term

Global Traffic Management

The layer that decides which region a given user reaches, using DNS, anycast or an edge network, and that performs regional failover.

Multi-Region Architecture term

Reverse Proxy

A server that receives client requests on behalf of one or more backends, forwarding them and returning the response.

Networking term

Timeout Budget

Assigning a request an overall deadline at the edge and passing the remaining time down each hop, so no service works on something already out of time.

Distributed Systems

quiz

A team proposes moving personalisation to edge functions to cut latency. When does that work and when does it backfire?

The principle that decides it The edge is near the user and far from your data. Edge compute pays off for work that needs the request but not your state . The m

Edge Computing

topic

Edge Computing

Moving compute towards the user, and what cannot follow it.

3 items topic

Content Delivery Networks

Edge caching, origin offload, spike absorption and dynamic content.

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