• What is DOCSIS?
• What is a CMTS?
• What is BPI: Baseline Privacy?
• What's DHCP?
• Can you please explain kilobits vs. kilobytes?
• NIC (Network Interface Card)

See:
/faq/2486

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by drake
last modified: 2005-10-15 00:24:37

Cable Modem Termination System

This is the equipment at the cable companies Head-End that interfaces with both the RF plant and the traditional data side of an ISP. This equipment can operate either as a router or as a bridge with your modems. Overall, the Cisco Universal Broadband Router series of CMTS equipment has become the defacto standard in CMTS equipment.

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by drake
last modified: 2004-11-26 02:46:49

Baseline Privacy Interface (BPI) is to provide a simple data encryption scheme to protect data sent to and from Cable Modems in a Data over Cable network. Baseline privacy can also be used as a means to authenticate Cable Modems, and to authorize the transmission of multicast traffic to Cable Modems.

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by drake
last modified: 2005-10-16 15:00:57

See:
»www.dhcp-handbook.com/dhcp_faq.html

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by drake
last modified: 2005-10-15 00:21:53

It will make it easy if we all try to stick with the industry standard abbreviations.

Kilobytes per second = KB/s
Kilobits per second = kbps

Your browser reports speeds in KB/s, the speed tests here at DSLR report speeds in kbps.

1 kbps = 1000 bps
1 KB/s = 1024 B/s
1 KB/s = 8.192 kbps
1 kbps = .1221 KB/s

KB/s to kbps
Take KB/s and multiply by 8.192
Example
100KB/s = 819.2kbps

kbps to KB/s
Take kbps and divide by 8.192 (or multiply by .1221)
Example
1000kbps = 122KB/s

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by drake
last modified: 2004-11-26 02:46:38

Network interface cards (NICs) are installed in a computer to allow it to communicate with a network. They provide a transparent interface between the network and the computer. The computer gives the NIC a message for another networked device and the NIC formats that message for transport over the media. The reverse is also true, the NIC receives messages from the network and reformats them so that the computer can understand. NICs have their own CPU (central processing unit) and RAM (random access memory).



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by drake
last modified: 2004-11-26 09:49:50