This paper is an extended abstract for an invited talk at VSTTE 2010.
@InProceedings{Klein_10b,
author = {Gerwin Klein},
title = {The L4.verified Project - Next Steps},
booktitle = {Proc.\ 3rd International Conference on Verified Software: Theories, Tools, Experiments (VSTTE'2010)},
editor = {Gary Leavens and Peter O'Hearn and Sriram Rajamani},
year = {2010},
address = {Edinburgh, UK},
pages = {86--96},
month = Aug,
series = {Lecture Notes in Computer Science},
volume = {6217},
publisher = {Springer},
}