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Cable and the Internet

Cable and the Internet. Rick Cimerman NCTA June 7, 2010. 1996 – HTML and XML Web Pages No video streaming File sharing non-existent. Now – Video rich content web pages Video streaming, video blogging, podcasting Very large download files. Consumer Use Evolving….

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Cable and the Internet

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  1. Cable and the Internet Rick Cimerman NCTA June 7, 2010

  2. 1996 – HTML and XML Web Pages No video streaming File sharing non-existent Now – Video rich content web pages Video streaming, video blogging, podcasting Very large download files Consumer Use Evolving…

  3. Cable Broadband Service Evolution Enabling App Next Generation Current 3-5 Years • High-speedInternet access • Email • Newsgroups • Online gaming • Online gaming • Voice over IP • Music download • Home networking • Distance learning • Robust gaming • Blogs • Video • Mobile backhaul • Mobile access • Business services • Streaming video (inc HD) • Picture phone • Video conferencing • Social media • IPTV • Convergence apps DOCSIS 1.0 and 1.1 (1997 – 1999) DOCSIS 2.0 (2001 – 2007) DOCSIS 3.0 2008 - current

  4. Higher Data Rates of DOCSIS 3.0 Network • Downstream Capacity bonding of 6 MHz channels • Four channels = 152 Mbps • Eight channels = 304 Mbps • Upstream Capacity bonding of 6.4 MHz channels • Two channels = 54 Mbps • 27 Mbps per bonded channel • Can choose to bond any number of channels • Channels ≠ adjacent • Legacy cable modems supported Many vendors implementing 8 bonded channels in the downstream

  5. Provisioning services: Dynamic Host Configuration Protocol – DHCP Trivial File Transfer Protocol – TFTP Time Of Day – TOD Domain Name Service – DNS Simple Network Management Protocol – SNMP (network monitoring and management) Internet Protocol Data Record – IPDR (usage reporting) Billing and customer support systems Additional necessary services: Email Servers Web Servers Virtual Private Networking (VPN) SIP Trunking Firewalling the cable management network Obtaining IP Address allocation from IANA Lawful Broadband Intercepts(CALEA obligations) Anti-SPAM Anti-Virus DOS attacks protection(DNS cache poisoning, etc).) Managing the Network is More Than Just Transmitting Data

  6. Cable Broadband Usage Growing 40% Annually in the United States The top quartile of subscribers uses 114 times more data than the lower quartile In DOCSIS 3.0 systems, the top quartile of subscribers uses 180 times more data than the lower quartile Half of the broadband subscribers use less than 5% of the data carried on cable systems

  7. Heavy Users Dominate Consumption Percentage of consumption by Top Talkers constant since 2003 20% of subscribers use 80% of data 5% of subscribers use 50% of data 1% of subscribers use 20% of data

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