There are many types of networks but the most common ones are the lan. After completing this tutorial, you will be able to learn the significance of satellite communication and its role in present scenario. Vsat very small aperture terminal is a satellite communications system that serves home and business users. Vsat networks can be configured to receive only or. The datapath of an openflow switch consists of a flow table. Vsat network architecture vsat network topology types. Vsat is used for many applications which include internet access,distance education,telemedicine,telephony,banking,video conferencing and more. Even so, in most vsat networks, the cost of the vsat terminals usually far exceeds the cost of the hub typically a vsat terminal is 0. Throughout the year, kits technologies offers latest and relevant ict industry leading technologyfocused technical trainings. Allow core routersnetworking devices to switch packets based some simplified header provide a highly scalable mechanism that was topology driven rather than flow driven leverage hardware so that simple forwarding paradigm can be used it has evolved a long way from the original goal. Pdf fundamentals of vsat installation researchgate. Lans are composed of inexpensive networking and routing equipment. Fundamentals of computer networking and internetworking.
Broadly vsat network as a whole consists of vsat terminals distributed across different regions on the earth and hub station located at one central place. It makes use of already launced satellites to provide all these facilities. Linux networking paul cobbaut paul cobbaut publication date 20150524 cest abstract this book is meant to be used in an instructorled training. A comprehensive introduction raj jain professor of computer science and engineering. Program to remotely power on a pc over the internet using the wakeonlan protocol. A vsat networking framework comprises of several small vsat substations and a main hub working together to constitute a.
This page describes vsat network architecture and mentions vsat network topology types. Vsat basics an exploregate tutorial linkedin slideshare. An introduction to spreadspectrum communications tutorial. Great listed sites have satellite communications tutorial. Networking tutorials are organized based on fundamental networking terms. Terminal vsat satellite networks for data communi cations applications using.
Data networking is like telephone calls we will devise and offer various data services charges will depend on distance and duration you only need 128 kbps d the early computer vendor answer a network connects computers in your organization we will devise all the necessary equipment and software. Prerequisites the readers should have prior knowledge on the basic concepts of analog and digital communication systems, in order draw benefit from this tutorial. All the channels are shared and the remote terminals are online, offering fast response times. Router installation part 2 satellite internet connectivity duration. Reflector transceiver buc and lnb ifl cable coax cable to connect idu to odu indoor unit idu ethernet. Vsat networks have been installed and operated only in those regions of the world where demand existed for the kind of services that vsat technology could support in a cost effective way, and also where the regulatory framework was supportive. Knight sky is fully prepared to implement the business. Vsat networks offer superior flexibility and performance. Get more out of life on your boat with tracphone v3hts, the marine vsat system that saves you from being tethered to shore. After completing this tutorial you will become expertise in computer networking. Oct 25, 2011 presentation on vsat very small aperture terminal tuesday, october 25, 2011 slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Data communication and computer network 4 lan provides a useful way of sharing the resources between end users.
If they collide in a slot, they retransmit after a delay, with the exception of the ftdma network gilat uses, then the inbound channel is rapidly switched across available channels to keep the network and latency down to. The vsat has its own router noncisco that has an ethernet connection to the fe01 port of the cisco 2800, i have routed all traffic that will connect to our hqs server through the wic1tserial interface, but would like to route all other traffic, like and antivirus patterns through the vsat connection, which is on the fe01. The antenna is shipped to the customer with all target. Mar 05, 2015 sign in to like videos, comment, and subscribe. The next two chapters are for technique oriented readers. Communication between hub station and vsat terminals is carrie. Vsat as a broadcast medium supports business objectives to improve customer. Each essential networking concept is explained individually in separate networking tutorial. A vsat end user needs a box that interfaces between the users computer and an outside antenna with a transceiver. Im here to help you as much as possible, thats why i try to answer every comment and email that i receive. Each vsat contends for time slots on a shared tdma inbound channel. Vsat, networks, computers, antenna, modem, receiver, transmitter, etc. In general, vsat adopts the structure of star network.
This book on vsat networks aims at introducing the reader to. Adding a site is quick and easy, and higher network availability levels are easy to obtain. The following vsat tutorials will help you guide you through the basics of satellite communications and the related areas up to a working level of knowledge suitable for attending further courses or education. Beasley and piyasat nilkaew pearson 800 east 96th street indianapolis, indiana 46240 usa db i 101112 11. As the definition itself dictates, vsat technology of small satellite earth station, this paper shows vsat network technology. This is how a star data, tdmtdma vsat network works using a hub station, usually six metres or more in size and small vsat antennas between 75 centimetres and 2. In many cases organizations understand their needs very well, but lack the resources to convert the needs analysis into an executable requirements specification.
For selfstudy, the intent is to read this book next to a working linux computer so you can immediately do every subject, practicing each command. Multiple access protocols for data communications via vsat. If you continue browsing the site, you agree to the use of cookies on this website. When applied in voice services, a vsat systems control center can be placed in the same station as the services center or in a. Learn basic networking concepts in easy language with examples. Main station which is also what we call center station or hub, is main part of vsat network. Routers, l2l3 switch to enable visibility and openness in network separation of control plane and data plane. The discussion covers both directsequence and fasthopping methods.
Understand essential networking concepts in easy language. Customers can easily change satellite and network settings via web access to the acu. The remaining h bytes h 3,2,1 are used for the host machine. There are many types of networks but the most common ones are the lan local area network and wan wide area network. Note for example, the etsi standards en 301 459 or en 301 428 state that. The resources such as printers, file servers, scanners, and internet are easily sharable among computers. The use of a single high performance hub allows the use of low cost remote vsat terminals and optimizes use of satellite capacity. This application note is a tutorial overview of spreadspectrum principles. Sep 28, 2004 vsat very small aperture terminal is a satellite communications system that serves home and business users. Vsat mainly consists of hub, satellite and remote vsats. Vsat a tutorial very small aperture terminal computer network. Download as ppt, pdf, txt or read online from scribd. To learn this tutorial you should be aware of basic computer concepts like what is keyboard, mouse, monitor, input, output, primary memory and secondary memory etc. The tranceiver receives or sends a signal to a satellite transponder in the sky.
Theoretical equations are given to allow performance estimates. What is a vsat very small aperture terminal refers to the size of the antenna reflector vsat is generally. Ultracompact at only 37 cm 14 inches, lightweight, and packed with power, the tracphone v3hts makes it easy to stream hd content and stay connected. Satellites for communication services have evolved quite significantly in size and. The interactive data for example, bank transactions.
The purpose of this thesis is to provide naval computer students with a basic knowledge on very small aperture terminal vsat satellite technology and to define the hardware and software requirements at the interface between the vsat and a local anea network lan. Vsat technology is a telecommunication system based on wireless satellite technology. Introduction to vsat technology broadband communities. Openflow is like an x86 instruction set for the network provides open interface to black box networking node ie. Dont hesitate to contact me or leave a comment under my posts on this website and ill try to address and answer your questions if i can. Networking tutorial for beginners learn networking online. Louis 2008 raj jain computer networking and internet protocols. Vsat tutorials, satellite communications tutorials and. Networking tutorials a network in it is a group of two or more computers linked together. Vsat is the short form of very small aperture terminal.
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