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P

paged topic

A topic whose data is formatted in lines and viewed as pages containing one or more lines.
The following types of topic are paged topics:

PNG

Portable Network Graphics

PNG

PNG

PNG

permission

A permission represents the right to perform an action on the Diffusion™ server or on data hosted by the Diffusion server. Permissions can be global- or topic-scoped.

PID

Process ID

PID

PID

PID

ping

A query sent by a publisher, client or by the Diffusion server to a connected component to check that the connection exists and the latency of the connection.
The following types of ping are available:
server ping
A client pings the Diffusion server.
client ping
A publisher pings a specific client.
system ping
Diffusion pings all clients at a regular interval.

PDF

Portable Document Format

PDF

PDF

PDF

primary server

In a fan-out solution, the server from which updates are fanned out to replica servers.

In previous releases, this server was called the master server. This terminology in no longer used.

master server

principal

An identity that can be authenticated by the Diffusion server or by a client.

A principal can be a user or client. After a principal has been authenticated, it can be assigned roles that enable it to access actions or resources.

protocol

A protocol defines the exact format of data passed between the Diffusion server and a client.

publisher

The component which publishes messages relating to one or more topics.

A server can host one or more publishers. Messages sent by clients on particular topics are routed to the Publisher that owns the topic. Publisher functionality is provided by users by writing a Java publisher class.

push notification destination

An endpoint, described by either an APNS device token or a GCM registration ID, where push notifications are received.