OSI Model and Networking Network Services : Please check following video for introduction of network services. [youtube=https://www.youtube.com/watch?v=YIrSBqZvwlM&w=320&h=266] OSI Reference Model and Protocol Stacks : Introduction to the protocol stacks with OSI reference Model. Please check following video for details. [youtube=https://www.youtube.com/watch?v=j9vmPTsodAA&w=320&h=266]
Transmission Media – Telecommunication Systems The telecommunications objective is to produce high-quality voice, video, and data communication between any pair of desired locations, whether the distance between locations is 1 or 10,000 km. The distance between the two locations determines the type of transmission equipment used for setting up the connection. First, communication over a […]
Asymmetric Digital Subscriber Line (ADSL) Asymmetric digital subscriber line (ADSL) is a new modem technology that converts existing twisted-pair telephone lines into access paths for high-speed communications of various sorts. Overview ADSL can transmit more than 6 Mbps to a subscriber—enough to provide Internet access, video-on-demand, and LAN access. In interactive mode, it can transmit […]
Fiber Distributed Data Interface Introduction The Fiber Distributed Data Interface (FDDI) specifies a 100-Mbps token-passing, dual-ring LAN using fiber-optic cable. FDDI is frequently used as high-speed backbone technology because of its support for high bandwidth and greater distances than copper. It should be noted that relatively recently, a related copper specification, called Copper Distributed […]
Frame Relay Introduction Frame Relay is a high-performance WAN protocol that operates at the physical and data link layers of the OSI reference model. Frame Relay originally was designed for use across Integrated Services Digital Network (ISDN) interfaces. Today, it is used over a variety of other network interfaces as well. Frame Relay is an […]
ITU-T Recommendations : Series Z (Programming languages) ITU-T Recommendations In force – December 2000 edition ITU-T Rec. Z.100 Addendum 1 (10/96) CCITT Specification and Description Language (SDL) ITU-T Rec. Z.100 (11/99) To be published… ITU-T Rec. Z.100 Supplement 1 (05/97) SDL + methodology: Use of MSC and SDL (with ASN.1) ITU-T Rec. Z.105 (11/99) SDL […]
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