Marcin Bienkowski Aleksander Madry Geometric Aspects of Online Packet Buffering: An Optimal Randomized Algorithm for Two Buffers. 252-263 2008 LATIN http://dx.doi.org/10.1007/978-3-540-78773-0_22 conf/latin/2008 db/conf/latin/latin2008.html#BienkowskiM08