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Cloud Front is a CDN (Content Delivery Network) (Edge Location (A…
Cloud Front
is a CDN (Content Delivery Network)
A system of distributed servers that deliver content based on user location
Edge Location
A location where objects cached
Separate to Region/AZ
Spread all over the world
Are
NOT
just for READING. Can write to them as well
Objects are cached for the time of TTL (Time To Live)
Cached objects can be cleared (invalidated) so they get a fresh copy from Origin again (Before the TTL time) but you get charged
If used for
WRITING
then name is
S3 Transfer Acceleration
Cost extra to S3
Origin
The source of all objects, CDN will distribute
Can be S3 bucket, EC2, Elastic load balancer or Route 53
A Distribution can have multiple
Origins
Distribution
Distribution is the name given to CDN which consists of a collection of "Edge Locations"
Web Distribution
: for web sites
RTMP
: Media Streaming
Can be used to deliver:
Static websites
Dynamic web sites
Streams
Use signed URLs or signed Cookies to protect content
Can have a black/white list of Geo restrictions