Supratik Bhattacharyya Christophe Diot Jorjeta G. Jetcheva Pop-level and access-link-level traffic dynamics in a tier-1 POP. 39-53 2001 conf/imw/2001 Internet Measurement Workshop http://doi.acm.org/10.1145/505202.505209 db/conf/imw/imw2001.html#BhattacharyyaDJ01