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The PacketCable effort dates back to 1997 when cable operators identified the need for a real-time multimedia architecture to support the delivery of advanced multimedia services over the DOCSIS architecture. The original PacketCable specifications were based on the physical network characteristics of operators in the U.S.
Comcast's business Internet plans are similar to their residential plans, with slightly different speed offerings and prices. Notably, the main difference between Comcast's residential Internet and Business Internet is the lack of a monthly data cap with the business plans. [49]
DOCSIS 3.1 uses channel bandwidths of up to 192 MHz in the downstream. [14] Upstream: DOCSIS 1.0/1.1 specifies channel widths between 200 kHz and 3.2 MHz. DOCSIS 2.0 & 3.0 specify 6.4 MHz, but can use the earlier, narrower channel widths for backward compatibility. DOCSIS 3.1 uses channel bandwidths of up to 96 MHz in the upstream. Modulation:
In telecommunications, cable Internet access, shortened to cable Internet, is a form of broadband internet access which uses the same infrastructure as cable television. Like digital subscriber line and fiber to the premises services , cable Internet access provides network edge connectivity ( last mile access) from the Internet service ...
Aerohive Networks - acquired by Extreme Networks [1] Alaxala Networks; Alcatel-Lucent Enterprise; Allied Telesis; Arista Networks; Avaya - acquired Nortel; Buffalo Technology; Brocade Communications Systems - acquired Foundry Networks - was acquired by Ruckus Networks, An ARRIS company and Extreme Networks; Ciena; Cisco Systems; Control4 ...
QVC: Comcast sold its majority stake to Liberty Media in 2003 Speed Channel : joint venture with Cox Communications and Fox Entertainment Group ; Fox acquired Comcast and Cox's stakes in 2001 Time Warner Entertainment (26%, with Time Warner Inc.): Comcast sold its 26% stake to Time Warner Inc. (now Warner Bros. Discovery ) in 2003.
This is a list of interface bit rates, is a measure of information transfer rates, or digital bandwidth capacity, at which digital interfaces in a computer or network can communicate over various kinds of buses and channels. The distinction can be arbitrary between a computer bus, often closer in space, and larger telecommunications networks.
A cable modem that is unable to acquire an upstream channel will give up and resume scanning for new channels. Likewise, persistent upstream errors will cause a cable modem to "reinitialize its MAC" and scan for new downstream channels. This behavior is appropriate for traditional cable modems, but not for cable set-top boxes.