Cover Story The Changing Face of Cable Modems
Potentially masquerading as a home router and/or a VoIP gateway, the humble cable modem will also soon capitalize on the latest Docsis 2.0-based silicon to allow it to form the hub of a symmetric, 30-Mbit/s, multimedia and packet-voice gateway. But integrate NATs, firewalls and VPNs and operators begin to panic as they finally start to lose control of the customer.
Features Cut to the Core of Optimal MPLS Router Design
By Chaoping Wu
Forget LegoLand! At the cutting edge of router design you have to integrate VPNs, IPSec, NATs and firewalls-quickly and seamlessly.
Measuring Deterministic Jitter-With a 'Scope!
By John Quirk
Jitter measurements for Ethernet and Fibre Channel components have long been confined to grossly expensive systems. Not any more.
Get High Availability Using Effective Fault Management
By Michael Christofferson
A firm grasp of faults and errors, and their detection and recovery, is the first step on the road to the holy grail of 'five-nines' reliability.