`http://www.ietf.org/rfc/rfc1519 <http://www.ietf.org/rfc/rfc1519>`_
* Pankaj Gupta, Algorithms for Routing Lookups and Packet Classification, PhD Thesis, Stanford University,
`http://www.ietf.org/rfc/rfc1519 <http://www.ietf.org/rfc/rfc1519>`_
* Pankaj Gupta, Algorithms for Routing Lookups and Packet Classification, PhD Thesis, Stanford University,