Uop Ntc360
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In this paper we will examine the network configuration used at MKS Instruments. The areas covered will range from the network infrastructure, how it is implemented and how it is used. This paper will also include the technology, hardware involved and a small scale network diagram example.
There are many classes of IP addresses ranging from A all the way to E. Most large scale companies and offices use a Class A IP address schema while smaller locations use Class C. The MKS office in San Jose uses a Class B IP schema. Class B is used for medium-sized networks. A good example is a large college campus. IP addresses with a first octet from 128 to 191 are part of this class. Class B addresses also include the second octet as part of the Net identifier. The other two octets are used to identify each host. This means that there are 16,384 (214) Class B networks each with 65,534 (216 -2) possible hosts for a total of 1,073,741,824 (230) unique IP addresses.
The main location, which is a much larger office, uses a Class A IP address schema. This class is for very large networks. IP addresses with a first octet from 1 to 126 are part of this class. The other three octets are used to identify each host. This means that there are 126 Class A networks each with 16,777,214 (224 -2) possible hosts for a total of 2,147,483,648 (231) unique IP addresses.
The networks are split into two groups. There is a Production network and a Development network. Each of these networks resides on their own separate sub network. The reason for splitting the networks into two is to prevent network overload and slowdowns that would otherwise affect other departments within MKS such as Customer Service or Accounting. The production network involves non-development tasks such as the customer service database, email, the order entry and accounting systems. The development network involves all areas relating to product development. This network covers the server that stores base code, the development system, development tools, software libraries and software builds.
The networks are controlled through use of a router. This router is the only device that sees every message sent by any computer on either of the companys two networks. The router ensures that information doesnt go where it is not needed. This is crucial for keeping large volumes of data from clogging the connections of other departments at MKS. The router is extremely useful in dealing with two separate computer networks. It joins the two networks, passing information from one to the other and, in some cases, performing translations of various protocols between the two networks. It also protects the networks from one another, preventing the traffic on one from unnecessarily spilling over to the other.
When the developer sends a huge file to another developer, the router looks at the recipients address and keeps the traffic on the development network. When the developer, on the other hand, sends a message to customer service asking about an issue, then the router sees the recipients address and forwards the message between the two networks. The router uses a configuration table. A configuration table is a collection of information such as those connections that lead to particular groups of addresses, priorities for connections to be used and the rules for handling both routine and special cases of traffic.
A wireless network is provided from a Linksys Router in the Tool Web Lab. A wireless network allows computers to share printers, files or an internet connection without any wires between them. Wireless networking hardware uses radio frequencies to transmit information between the individual computers; each computer requires a wireless network adapter. This router allows for a small set of connections so that those in the lab can still be able to get email, and browse the MKS network with their mobile laptops that support wireless connections.
The issues with the wireless system have been the connection strength is not always strong; transferring of large files leads to bandwidth issues and many times the network simply gives out.
The two types of IP addresses used on the MKS network are static and dynamic. Each engineer is allowed up to 5 static IP addresses for their local development stations, tools and e-diagnostic boxes. A static IP address is basically a permanent reserved set of numbers for a specific device such as a printer or server. The local laptops and PCs are on dynamic IP addressing also known as DHCP short for Dynamic Host Configuration Protocol, a protocol for assigning dynamic IP addresses to devices on a network. Using the DHCP server simplifies the network administration