Common Access Token (CAT)
May 30, 2025
Common Access Token (CAT) is a CTA standard (CTA-5007-A) published in 2024 defining a token structure which can be used across multiple interoperable CDNs.
Common Access Token (CAT) is a CTA standard (CTA-5007-A) published in 2024 defining a token structure which can be used across multiple interoperable CDNs.
Digital Rights Management (DRM) is the use of keys and certificates to authorize playback of a video stream to a specific user and/or device over IP streaming like OTT. DRM provides a mechanism to distribute content encryption keys securely, to specify rules for the use of those keys, and to
Time to First Byte (TTFB) refers to the time between the browser requesting a resource (i.e., a webpage, a video manifest, a video segment) and when it receives the first byte of information from the server. This time includes DNS lookup and establishing the connection using a TCP handshake and TLS handshake if the request is made
Measure of total time for network request (e.g. for a media object) to travel over the network and for response to travel back.
Quick UDP Internet Connections (QUIC) is a UDP-based transport layer network protocol. HTTP/3 uses QUIC to achieve performance enhancements (e.g. simpler handshakes, multiplexing) such as lower latency media streaming.
Amount of data that flows from Point A to Point B within the network over a certain period of time
The system property that describes the ratio of “cache hits” to the number of requests.
A cache hit is when a request for data from a cache server is found on the server in memory or on disk and served.
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