Broadband Cable Modem
If you were to dissect the word 'broadband cable modem', you could assume that it is a modem attached to a cable and which is capable of a greater transfer of data because of some broader capacity. This would not be too far off the mark, so to say. Today broadband cable modems are used for internet usage and voice telephony. It has made the usage of the internet and the voice telephony efficient and fast.
Cable modems are modems, which are primarily used for broadband internet connections. The Internet is accessed through a broadband cable modem, which uses the leftover bandwidth on a cable television network. This data signal is used by the broadband cable modem for internet use. A broadband cable modem forms a network bridge, so today between the coaxial cable network and a customers LAN card in the personal computer. It can also be said to connect data or form a data bridge between the customer and the cable company.
A cable modem actually functions at several levels. It bundles together its tasks in that Ethernet PHY is enabled on the LAN interface and on the HFC interface a DOCSIS defined cable specific PHY is enabled. Actually the term cable comes from this coupling of cables of Ethernet and DOCSIS.The cable modem has its own IP address which is useful when the network operator has to do some troubleshooting. The cable modem also does a host of other services, for example, it keeps the customers LAN clear by block forwarding Net BIOS data away from it.
Broadband cable modems are used nowadays for local and international calls at competitive rates. This technology is referred to as Voice overIP telephony. Quite a few customers have got rid of their ordinary phones and opted for this. There are several companies like Skype and Vonage, which offers a third party service to broadband cable subscribers. Their call quality is excellent and their customer base is growing by the day. One can safely assume that there is a growing need for the broadband cable modem as it encompasses several facilities for ones internet and telephone call requirements.It is much more cost effective and the quality is frist rate.This in itself is an unique selling point. Sometimes these network operators assemble a packet scheme in which both the VOIP and the ineternet facilities are included.This is called Packet Cable.These packet deals come with an assurance of quality. A broadband cable modem is a boon to internet subscribers as they can not only avail of the internet facilities at a superior speed, but can also use the VoIP to speak clearly and cheaply to one has loved ones. Broadband has changed the face of communication today and a broadband cable modem is the face of the new communication strategy. With a broadband cable modem and a computer you can access anything ,anywhere.
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