Useful Resources and Information

Unity RPC calls only support these parameters:

• int
• float
• string
• NetworkPlayer
• NetworkViewID
• Vector3
• Quaternion.

Saving Bandwidth

• http://joostdevblog.blogspot.nl/2014/01/bitcrunching-numbers-for-bandwidth.html

#Very Important:# Do not have methods with default parameters if the script is in some way derived from MonoBehavior if the MonoBehavior is in a namespace.
Source

If you are inheriting from MonoBehaviour, you should not use constructors or destructors.

Syntax Differences between Unity Script and C#