4. SUMMARY
A feature of the development of the Internet has been the gradual erosion of the end-to-end principle. In a world of mobile gateways, NATs and other middlebox impositions, it is less clear what it means for the “ends” to connect. Sign- posts is a system which allows us to evolve past this current, rather unsatisfactory, state of affairs. It provides a control plane that enables edge-to-edge connectivity, between the many heterogeneous and often mobile edge networks that have now sprung up around the Internet.
More information and source code is available via
http://signpost.io