Glossary

active

A scope that is currently accessible.

argument

A value provided to a directive, extractor,:term:modifier, or comparison. An argument affects the behavior in various ways, specified by the particular element. Most commonly it sets either the scope of the element or serves as a list of flags. Arguments are always a string or a list of strings.

comparison

An operator that compares local data to a feature and indicates if the data matches the feature.

directive

An action to perform.

extraction

Using data from the transaction to create a feature.

extractor

A mechanism which can performat extraction.

feature

Data which is derived from the transaction and treated as a unit.

feature expression

A expression that describes how to extract a fature.

hook

A Traffic Server hook, a particular point in the processing of network traffic.

load time

The period of time during which a configuration is being loaded.

modifier

An object that modifies a feature in a feature expression.

request

A request from a client to an upstream.

response

The response or result of a request.

run time

When the configuration is being applied to network traffic.

scope

A subtree of the YAML configuration where special data is available.

selection

Making a choice based on a feature.

transaction (txn_box)

A request and the corresponding response.

upstream

A node which is the destination of a network connection.