GoNeedle is a system for punching reliable transport over UDP through NATs and Firewalls
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README.md

What is GoNeedle

GoNeedle is a system for establishing a reliable transport between peers over UDP, while punching through NATs and firewalls.

GoNeedle is intended to be simple and efficient. Thus, unlike libraries like libjingle, GoNeedle uses only one method for punching NATs. This is the most general method used in paractice: Two peers (using the help of a server for coordination) send UDP packets at each other until the firewall is punched. After successfull punching GoNeedle will (not implemented yet) establish reliable transport over UDP while using the DCCP protocol for congestion control and a simple erasure-check scheme for reliability (i.e. for detecting lost packets).

GoNeedle is currently in development/exeprimental stage. Do not install it if are looking for something that works out of the box!

Status

We have implemented the server and the punching procedure and we have made various tests confirming that it works well. The next stage is to implement the reliable transport over UDP layer. This is contingent on the completion of a separate project GoDCCP that implements the pure DCCP protocol.

We are looking for contributors!

About

GoNeedle is written by Petar Maymounkov.