Glossary
ACK A command (used internally) to make UDP reliable.
Actor Players in a room are also called "Actor". An actor has an ActorNumber, valid in the room.
Application Applications contain the game logic, written in C# and run by the Photon Core. They
extend the abstract class Application for this.
Binaries Folder The binaries folders contain platform specific builds of the Photon Core. They
are prefixed with "bin_" and in the "deploy" folder of the Server SDK.
Build script A batch file or MsBuild project to compile and copy applications for their
deployment. Takes care of getting a clean build for deployment.
Business Logic A game's logic, which runs on top of Photon Core. This "layer" handles
operations and events.
Channel Channels allow you to separate information into multiple sequences of operations and
events. In a single channel, all operations and events are in order, each channel is being sequenced
independently. This means, that Events of one channel will not be stalled because events of
another channel are not available.
By default Photon has two channels and channel zero is the default to send operations. The
operations join and leave are always sent in channel zero (for simplicity). There is a "background"
channel 255 used internally for connect and disconnect messages. This is ignored for the channel
count.
Channels are prioritized: the lowest channel number is put first. Data in a higher channel might be
sent later when a UDP package is already full.
Command Commands are used on the eNet protocol layer to transport your data or establish /
shutdown connections. You won't write these, but we will explain them for your background
knowledge.
Connect Before clients can call operations on Photon, they need to connect and establish a
connection.
Custom Operation Any operation that is not in the client API or new to the server side (not in the
Lite Application).
Dashboard The dashboard aggregates counter data and generates graphs for monitoring purposes.
Photon applications can be managed from their respective dashboard.
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