anchor.diff:  network.
   
   NOTE: This document assumes that the reader is familiar with ZeroTier
  -      concepts and administration.
  +concepts and administration.
   
   Registration
   ~~~~~~~~~~~~
  
positive.code: :mansource: nng
  :manvolnum: 7
  :icons: font
  :copyright: Copyright 2017 Garrett D'Amore <garrett@damore.org> \
              Copyright 2017 Capitar IT Group BV <info@capitar.com> \
              This software is supplied under the terms of the MIT License, a \
  
negative.code: using a Virtual Layer 2 packet facility.
  
  CAUTION: This transport is very experimental.  To utilize it at
  present, the library must be built with support, and the
  ZeroTierOne `dev` branch must be included; this will require
  linking against a suitable `libzerotiercore` static library.         
  
  NOTE: The `libzerotiercore` library at present is covered under different
  license terms than the rest of _nng_.  Please be careful to review
  and adhere to the licensing terms.
  
  While ZeroTier makes use of the host's IP stack (and UDP in particular),
  this transport does not use or require an IP stack on the virtual
  