Glossary

ESB3024 Router definitions of commonly used terms

ACD: Agile CDN Director. See “Director”.
Confd: A backend service that hosts the service configuration. Comes with an API, a CLI and a GUI.
Classifier: A filter that associate a request with a tag that can be used to define session groups.
Director: The Agile Delivery OTT router and related services.
ESB: A software bundle that can be separately installed and upgraded, and is released as one entity with one change log. Each ESB is identified with a number. Over time, features and functions within an ESB can change.
Lua: A widely available scripting language that is often used to extend the capabilities of a piece of software.
Router: Unless otherwise specified, an HTTP router that manages an OTT session using HTTP redirect. There are also ways to use DNS instead of HTTP.
Selection Input API: Data posted to this API can be accessed by the routing rules and hence influence the routing decisions.
Subnet API: An API to define mappings between subnets and names (typically regions) for those subnets. Routing rules can then refer to the names rather than the subnets.
Session Group: A handle on a group of requests, defined via classifiers.