Glossary

consumed. Notifications received and processed by a service are said to be consumed by the process.

event. Generation of data for an event reference. For iPlanet Calendar Server, this occurs when there is a change in a resource (calendar). For iPlanet Messaging Server, there is a list of events that occur (NewMsg, DeleteMsg, and so on).

event consumer. Synonym for event subscriber.

event producer. Synonym for event publisher.

event publisher. An application that makes events known to other applications.

event reference. Identifies an event handled by ENS. It complies with URI syntax defined by RFC 2396.

event subscriber. An application that consumes events.

iBiff. The name given to the plug-in that publishes message store notifications in iPlanet Messaging Server. It includes the specification of how to subscribe to the notifications.

iPlanet Event Notification Service. Application framework relaying notifications sent to subscribers by publishers.

notification. Message describing an event occurrence. Sent by the event publisher, it contains a reference to the event as well as optional data used by the event consumers, but opaque to the notification service.

notification service. Receives subscriptions and notifications from other servers. Relays notifications to subscribers.

notification server. A notification service is made up of one or more server instances, each running on a separate host.

notify. A synonym for publish.

payload. The data describing an event. Three different payload formats are supported: binary, text/calendar, and text/XML.

publish. Send a notification. An event publisher makes an event available to the notification service.

reliable event notification link (RENL). An RENL has a publisher, a subscriber, and a unique ID, which identify notifications that are subject to acknowledgment.

resource. A piece of data accessed from the IP network. For example, a calendar is a resource.

resource state. The value of attributes that describe a resource. For example, a meeting time.

subscribe. Send a subscription. An event subscriber tells the notification service that it wants to receive notifications of a specific event.

subscription. Message sent by the event subscriber. Contains an event reference, a client-side request identifier, and optional access control rules.

task. In Calendar Express on the client side, a component of a calendar that specifies something to be done. On the server side, a task is also called a todo.

todo. In iPlanet Calendar Server, on the server side, a a component of a calendar that specifies something to be done. In Calendar Express on the client side, a todo is called a task.

unsubscribe. Cancels a subscription. An event subscriber tells the notification service to stop relaying notifications for the specified event.

unsubscription. This message cancels (unsubscribes) an existing subscription. An event subscriber tells the notification service to stop relaying notifications for the specified event.