\chapter{\label{background}Background}
\section{\label{background:P4}P4}
\section{\label{background:ipv6}IPv6}

***** Für IPv6, NAT64, transitation mechanism
***** RFC hinzufügen
***** P4 kurz erwähnen

growth

\section{\label{background:transition}Transition Mechanisms}
proxying
translations

\section{\label{background:ipv6}IPv6}