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Article Banks And Google Alerts Harness Your Publishing Power
Content is the currency fueling the Internet. Yet, article banks, repositories for authors to promote their content, are still the Internet’s best-kept secret.
I learned about article banks through a casual chat at a networking event. A few days...
Cleaning Your Computer
Cleaning viruses off your computer system can be an easy process if you have the right tool. There are many fee and free programs that you can use to do this, ones that you may not even know are available to you. Many of these programs are set up...
How Do Wireless Networks Work?
Wireless networks work using radio waves instead of wires to
transmit data between computers. That's the simple version. The
big advantage of WiFi is its simplicity. You can connect
computers anywhere in your home or office without the need...
Kill The Messenger (Service)
You are familiar with the software applications that you run on your computer, but you may not be familiar with the dozens of programs running in the background on your computer. These programs, called "services" handle tasks like event logging,...
WILIBOX launches embedded Linux wireless platform with industry's first 802.11 stack supporting Access Point and Client modes simultaneously
Kaunas, Lithuania - October 17, 2005 - WILIBOX, embedded Linux and IEEE 802.11 specialists released innovative embedded Linux software platform - WILI including industry's first 802.11 stack supporting multiple BSSID (Virtual AP) and multiple...
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Internetworking Overview
Internetworking:
Internetworking involves connecting two or more computer
network with some sort of routing device to exchange traffic
back and froth, and to guide traffic on the correct path across
the complete network to their destination . Connecting together
two or more networks with bridges sometimes inaccurately refer
to as internetworking ,but the resulting system is a single
subnetwork ,and users require no internetworking protocol, such
as IP,to traverse it. Briefly, I will present :Network Layers,
Tunneling technique .-which are misunderstood terms in computer
network-
Network layers:
1.physical layer (Repeaters & Hubs): They just move the bit from
one network to an identical network. these are mostly analog
devices and do not understand any thing about digital
protocols(regenerate singles)
2.Data link layer (Bridges & switches): They accept frames
,examine MAC addresses and forward the frames to different
networks ,doing minor protocol translation.
3.Network Layer (Routers): They can connect two networks and do
packet translation ,but translation is increasingly rare.
4.Transport Layer(Transport Gateways): They can interface
between two transport connection
.For example ,allow packets to
flow between a TCP network and SAN network.
5.Application Layer (Application Gateways): They translate
message semantics for the data being moved, such as parsing and
changing header fields between an Internet e-mail and X.400
e-mail.
How Network Differ?
Networks can differ in many ways: 1.They may differ in their
Physical layer :by having different modulation technologies.
2.they may differ in their data link layer by: having different
frame format. 3.they may differ in their network layer by:
having different internetworking protocols.
Networks can be connected by different devices according to the
level of connection.
Tunneling: Tunneling is a technique used for passing information
between two networks of the same type of network, but there is a
different network in between. When the router gets the frame, it
pulls the IP packet out of the frame and drops it into the
payload field of anther frame to send across the WAN. this is
undone at the other end ,allowing the data to be received on the
other end.-More about Tunneling later-
To Be Cont .. T. M . Harahsheh
About the author:
Jordan
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