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Dial up networking works by using what Protocol to send packets of data over phone lines?
Wiki User
∙ 13y ago
Dial-Up Protocols
The both machines must use the same dial -up protocol, to ensure the safe reliable transmission of data over phone lines between a dial-up server and a remote computer. The protocol you use depend on the dial-up server, like if you connected to Internet Service Provider, you would use Point to Point Protocol. Dial-Up Networking supports :-
- Point to Point Protocol
- NetWare connect
- Remote Access Service
- Serial Line Interface Protocol
Point to Point Protocol
Point to Point Protocol (PPP) is the standard for all types of remote access connection, as all internet Service Providers offer PPP access to Internet. The secret in its features like link-quality testing, header compression, and error checking, it also supports network protocols: NetBEUI, IPX/SPX, and TCP/IP.
NetWare Connect Protocol
The NetWare connect protocol is used by NetWare servers. This protocol adds the following features to the NetWare server:
- A proprietary Remote Access Service dial up protocol
- Modem sharing and pooling
- Remote workstation control
NetWare Connect dial-up servers don't support software compression and with only the IPX/SPX network protocol.
Remote Access Service Protocol
The Remote Access Service (RAS) Protocol is a variant of NetBEUI called asynchronous NetBEUI that is designed to over slower serial links. To use RAS, both the client and the server must be running the NetBEUI network protocol. RAS doesn't support multiple network protocol the way PPP does.
Serial Line Interface Protocol
The Serial Line Interface Protocol (SLIP) is a simple protocol designed to work with TCP/IP network protocol. Until PPP came along, SLIP was the standard Internet dial-up protocol for many years. Now SLIP is not widely used because of the following reasons:-
- SLIP doesn't implement error correction: SLIP doesn't perform error correction unlike PPP, as a result that may led to send extra packet data to make the error checking.
- SLIP can handle only one protocol at a time: The SLIP header doesn't include a field for specifying the network protocol, unlike IP header which can handle more than one protocol, so you can't change while working, you must end your session first.
- SLIP can't handle dynamic addressing: SLIP requires that the machine must determine an IP address. This prevents you from using Dynamic Host Configuration Protocol (DHCP)
- SLIP doesn't support compression: The basic SLIP protocol doesn't support compression of the entire data packets. However, a different SLIP specification called compressed SLIP or CSLIP which enables compression of just the IP header portion of a TCP/IP data packet.
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∙ 13y ago
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A "computer phone" uses VOIP which stands for Voice over Internet Protocol. Skype and other computer phone applications uses this protocol.
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Explain the frame format of PPP Protocol?
Point to Point Protocol (PPP) protocol is utilized to establish a connection betweenyour PC and your ISP (Internet Service Provider). PPP is used on two points-connection onlyusually modem to modem. This protocol accomplishes a few main tasks:Checks the condition of the phone line.Checks your password.Provides your computer with an IP address valid for the duration of connection.Establishes the configuration of packets (packet size, compression, etc).Acknowledge one part that the other is closing the connection.PPP operates by sending Request packets and waiting for Acknowledge packets that either accept, rejector try to change the request.Various protocols are utilized to accomplish different tasks which together form the PPP.
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