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    • Internet Backbone

      Internet Backbone

      In 2005, the one billionth Internet user logged on to the World Wide Web. Hundreds of thousands of new users log in for the first time each week. It is estimated that the 2 billion user mark will be reached in less than 10 years from now. There is no question that the World Wide

    • How to Set Up Skype

      How to Set Up Skype

      Voice over Internet Protocol or VoIP is now recognized as one of the most popular methods of communicating over the Internet. Skype is one of the most popular programs for PC to PC calling with VoIP. Skype allows users to talk to anyone around the world for free. However, there are a few requirements that

    • What is EIGRP?

      What is EIGRP?

      Local and international networks require information to be constantly updated in order to properly route communications. Routing protocols were developed in order to help keep information flowing to the proper locations and to maintain network connectivity on both LAN and WAN. The Enhanced Interior Gateway Routing Protocol (EIGRP) is one of the most popular internal

    • Cannot Find Server

      Cannot Find Server

      Using a internet browser is very commonplace nowadays. Unfortunately, a “cannot find server” error code may interrupt the user’s website visit. This is not only frustrating for Microsoft Internet Explorer users, but for Opera, Safari, Firefox, and other web browser users. Finding and fixing the cause of this error is very important, as web users

    • BOOTP

      BOOTP

      BOOTP is the Bootstrap Protocol. The BOOTP protocol is utilized by diskless workstations to gather configuration information from a network server. The information provided by the BOOTP protocol is: The IP address which should be utilized by the diskless workstation The IP address of a server which will provide an Operating System image for the

    • The OSI Model – What It Is; Why It Matters; Why It Doesn’t Matter.

      The OSI Model – What It Is; Why It Matters; Why It Doesn’t Matter.

      The OSI Model was created based on recommendations from the International Organization for Standardization (ISO) in 1980, which started expanding on the DoD model in the late 1970s. The current standard was published in 1996. The official title for the model is the ISO OSI (Open Systems Interconnection) Reference Model since it describes or relates

    • VLAN (Virtual Local Area Network)

      VLAN (Virtual Local Area Network)

      VLAN (Virtual Local Area Network) is a logical local area network (or LAN) that extends beyond a single traditional LAN to a group of LAN segments, given specific configurations. Since a VLAN is a logical entity, its creation and configuration is done completely in software. How is a VLAN Identified? Since a VLAN is a

    • Presentation Layer

      Presentation Layer

      The presentation layer is one of seven layers of the OSI (Open Systems Interconnections) Model and is found between the application layer and the session layer. The presentation layer is commonly used for encryption and decryption as well as the conversion of file formats. The presentation layer is considered the last layer in which data

    • Jitter

      Jitter

      Jitter is a variation or dislocation in the pulses of a digital transmission; it may be thought of, in a way, as irregular pulses. Jitter can manifest through variations in amplitude, signal strength, and other elements of such waves. The usual causes include connection timeouts, connection time lags, data traffic congestion, and interference. Simply put,

    • Routing Software

      Routing Software

      Most networks currently run on hardware-based routers from vendors like Cisco, Foundry, and Juniper. Computing power has advanced to the point where this is not necessary. General purpose computing platforms can replace these expensive dedicated hardware routers. These software routing platforms usually run on some version of free or inexpensive Unix. These are a few

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