Ron Hutchins Ellen W. Zegura Andrew Liashenko Philip H. Enslow Jr. Internet User Access via Dial-up Networks - Traffic Characterization and Statistics. 314-322 2001 conf/icnp/2001 ICNP http://csdl.computer.org/dl/proceedings/icnp/2001/1429/00/14290314.pdf db/conf/icnp/icnp2001.html#HutchinsZLE01