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Lan Network

The three most commonly used in LAN network protocol outlined - LAN, router, server - Education Industry

Different network workstations, can transfer data between servers, due to the existence of the agreement. With the development of different developers with different means of communication. To make a successful and reliable communications network to all hosts must have the same language, not with the dialect. Which must be developed between the stringent standards defined for each packet in the host every word of every one.

    These standards come from the efforts of various organizations, agreed good common means of communication, namely the agreement. These are to make communication easier.

Has developed a number of agreements, but only a few were retained. Out of those agreements in a number of reasons --- the design is not good, bad or lack of support to achieve. The agreement that preserved through the test of time and an effective communication method. Today the three most common LAN protocol is MICROSOFT's NETBEUI, NOVELL's IPX / SPX, and cross-platform TCP / IP.

1, NETBEUI NETBEUI development for IBM's non-routing protocol for carrying NETBIOS communications. NETBEUI lack of network layer routing and addressing capabilities, is its biggest advantage is its greatest weakness. Because it does not require additional network address and network layer end to end, so quickly and is very effective and applicable to only a single network or the environment are bridged together a small working group environment.

Because they do not support routing, so NETBEUI will never be the main protocol enterprise networks. NETBEUI frame only address is the data link layer Media Access Control (MAC) address, the address identifies the network card but did not identify the network. By the network address of the router forwards the frame to the final destination, the complete lack of the information NETBEUI frame.

Bridge according to the data link layer address for the network communication between the forwards, but there are many drawbacks. Because all the radio communications must be transmitted to each network, so the expansion of the bridge is bad. NETBEUI including in particular the radio communication count and rely on it to resolve naming conflicts. In general, the network bridge NETBEUI little more than 100 hosts.

Depends on the second level in recent years, the network switches have become more common. Complete change of surroundings reduces network utilization, while radio is still forwarded to the network of each host. In fact, the combined use of 100-BASE-TEthernet, allowing conversion NetBIOS network to 350 hosts in order to avoid the broadcast and communications become a serious problem.

2, IPX / SPX IPX is used NOVELL NETWARE client / server protocol group, to avoid NETBEUI weaknesses. However, IPX routing with full capacity available for large enterprise networks. It allowed a number of routing network. Including 32-bit network address, in a single environment has brought new and different weaknesses.

IPX scalability by its senior broadcast communications and the high cost limits. SAP (ServiceAdvertisingProtocol, SAP) will host the number of routing in the network is limited to a few thousand. Although the limitations of SAP has been configured by the intelligent routers and servers to overcome, however, large IPX network administrator is still extremely difficult.

3, TCP / IP

Each network protocol has its own advantages, but only TCP / IP allows complete with Internet connection. TCP / IP is in the 60's from the Massachusetts Institute of Technology and a number of business organizations, developed for the U.S. Department of Defense, even if a nuclear attack and destroy most of the network, TCP / IP is still able to maintain effective communication. ARPANET was developed by the protocol-based, and developed into exchange of scientists and engineers as the media Internet.
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How can i know that the messenger service is running OR not on my computer for LAN network?

Hi,

Hi!

I hope this link helps you..

http://www.microsoft.com/windowsxp/using/security/learnmore/stopspam.mspx

It explains how to "disable" the service, you have to do the opposite.

I used to love that service but not anymore since it's used for spam and advertising messages.

Regards.

The Lan Network - Pros vs Joes Weekend Promotion