Nt1310 Unit 3 Network Analysis

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The basic networking components required for functioning of our website are categorized in 3 types:
-Access Devices
-Networking devices for data forwarding
-Information servers

Access devices
A user, be it the merchant or the shopper needs a device in order to access the website on a browser. The devices are a desktop/laptop computer, a mobile phone or a tablet PC. With a browser installed on the access device, the users will be able to access the website.

Networking Devices
Networking devices are used in order to connect to the Internet and enable the flow and exchange of data. The components involved in this section are Modem (Wired or Wireless), Routers, switches, Hubs, ISPs etc.

Information Servers
Server used to manage save and …show more content…
Gateways
Anything that operates above layer 3, but still is considered to be part of the networking infrastructure, is a gateway. Gateways can have very different tasks, they can transfer data between different networking architectures, or they can implement application-specific functionality that requires knowledge of particular application-level protocols. A typical example for a gateway is a Wireless Application Protocol (WAP) gateway, that connects the Internet and a mobile phone network (such as a GSM network) and enables mobile phone users to retrieve Web pages with their mobile devices.

Factors involved in selecting a Network Architecture:

Network Requirements
A merchant must have a presence on the Internet so that a client from anywhere on the Internet can interact with the electronic shop set-up by the merchant. The merchant also needs to interact with other third-party companies through the Internet for order fulfillment. This sets up a multi-tier architecture as illustrated in Fig. 1 …show more content…
It holds information of the electronic merchandise and is accessed concurrently by many users over the Internet. Thus a network database is essential to develop a true e-commerce application.

A network database has a client portion and a server portion. The server portion is installed in a computer that runs a server-side operating system such as the Windows NT server.
The client portion is installed in one or more computers in the network running a client operating The server contains the actual database and database-management tools.

The client is used for operating and managing the database system from a remote computer within a local network.
Microsoft SQL Server is a popular network database, because most networked PCs run on the Windows operating system. The graphical user environment of the SQL Server is very simple to use. The SQL server also comes free with the Windows NT operating system and a few other Microsoft software bundles. The security of the SQL server is integrated with the security of the Windows NT operating system. It allows a network administrator to easily map a user’s database access permission to that of the network
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