.. _ports:

Ports
######

Key concepts:
    - Connections between components are made between ports
    - Ports can be input/output or both 
    - Ports have two key attributes: 
        - Type 
        - Encoding

DALiuGE supports multiple inputs into Applications.  This supports applications that consume multiple pieces of data (e.g. multiple files) or takes parameterised input (e.g. in the case of a Python function). 

Port type
==========

InputOutput
------------
InputOuput ports are used teh 


Input
------------

Output
------------
DataDROPs support: 
- One-to-many: an output port can be linked to multiple AppDROPs so that multiple apps are 


There may be multiple output ports from an application

Encoding
=========