Cable's Move to 10G Needs Big Upgrades First, CCG Says

Cable's planned 10G needs significant upgrades for 10 Gbps, since that downstream data path requires 1.3 GHz -- more capacity than most cable networks, CCG Consulting President Doug Dawson blogged Thursday. Cable systems must upgrade to 2 GHz to 3 GHz for acceptable upload data streams and for video programming, he said. They likely will replace most if not all amplifiers and power taps in the outside coaxial cable network and some older coax, he said. Faster speeds require upgrading headends and DOCSIS modems.