what are the requirement of wide area network

�g4NK�(����: �7cn�Vbe��. It offers a more flexible approach to re-configurations. The network should be designed in such a way in which the overall architecture designed should be cost-effective and within the budget.
Also, the WAN typically uses an outside service provider, whereas the LAN is owned by the organization. 0000067536 00000 n

The transmission of data is carried out with the help … CSU/DSU, that's a very specific thing. The STM-1 frame consists of overhead and pointers plus information payload. 0000012459 00000 n 0000019879 00000 n So WANs were born to meet the wide area communications needs of organizations of all kinds. There is also a term that we don't see here called demarc – also known as Demarcation Point – where stuff on our side of demarc is our responsibility, and on their side of the demarc, it's the service provider's responsibility. It could be either, or. 0000067628 00000 n As all the testing and development is done at the Bangalore office, the link should be in protection and must be reliable and secure. Thus in case of any fiber cut or device failure, the data flow is done through the protection link by keeping the network alive. All the other districts and towns that are also connected with low capacity STM and DS3 links to their respective core nodes in accordance with the region they belong to. But it certainly has been around a while on the production enterprise network side of things. In a mesh topology, every node is connected via each other with a point to point topology. Typically, the customer equipment will use various types of serial co… It stands for Customer Premise Equipment. The Basic Design Model Components in the WAN Network include: Enlisted below are few LIVE examples of WAN Networks.
So the cables coming in, whether it's the telephone, the coaxial cable, the fiber cable, whatever it is, digital, analog from the ISP connects up to these devices or from that point on inwards, it's your responsibility. The main parameters of the frame are as follows: The frame consists of 9 rows and 270 bytes by rows. Okay, and also if you're in Europe, E1 would be 2.048 megabits per second. The first thing is to generate the network topology according to the given scenario of the architecture of the network. The links used for connectivity should be reliable and in protection. The communication system has become more reliable, fast and cost-effective using WAN systems. If you're talking broadband, that could be cable, it could be DSL – also known as digital subscriber line. DTE – also known as data terminal equipment – and DCE are general terms that apply to not just this. The STM-1 frame is transmitted in exactly 125 µs, therefore, there are 8,000 frames per second on a 155.52 Mbps system. Like-wise take one media from RAILTEL or another from TATA, and by doing this we will make our network more reluctant and efficient. 0000020389 00000 n Modulate and demodulate. The WAN connection will be dependent on the flavor of wide area network service and the different offerings by the service provider. The servers and PC’s are connected through a switch on the Ethernet and DS3 links respectively. The network topology, transmission modes, routing policy and the other network parameters should be chosen depending upon the type and need of the system to be implemented. There are three major characteristics of LANs. We know this is a tough solution to shop for but with over These are some modems that connect up to the telephone line, that's DSL. 0000014531 00000 n After performing all the suitable tests and completing all kinds of network designing activities finally calculate the cost of the network model. As they only exchange the data, image or video between the source and destination and not voice, there is no need to spend money on STM links. It is cost-effective and switching is very fast.

21 E1s (2 Mbps stream containing 30 voice/data channels)  are combined to form a VC (Virtual Container).

WANs have been around for a while and the people who build these WAN technologies like to come up with a lot of acronyms. optical carrier signals of varying wavelengths (color or lambda) of laser light, onto a single optical fiber. There are three major characteristics of LANs. The router will be typically connected to a modem or DSU/CSU, depending on the type of service, and those devices will be responsible for converting the signals coming from the router into whichever format the service provider transmission requires. The Dense Wavelength Division Multiplexing (DWDM) is a multiplexing technique combining a number of data streams of different sizes i.e. Typically, the customer equipment will use various types of serial connections to connect to the wide area network. Software MNC Network: The people working in the field of software and information technology also use WAN network for connectivity between the head offices and regional offices to share data and put data on the centralized server like software testing tool or any other tool which can be accessible to the end hosts as per the rights that are given by IT administrators. WAN is made with the combinations of LAN and MAN .

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