CIS 505 Assignment 3: Elastic and Inelastic Traffic
Due Week 5 and worth 60 points
Write a three to four (3-4) page paper in which you: 1. Outline a plan for the development of an addressing and naming model in an environment of the following scenario: a. Ten (10) departments in a 1,000-employee organization b. Equal separation by geography c. Use a common data center of twenty (20) backend enterprise servers 2. Analyze the functional problems of throughput, delay, and packet loss as it pertains to your plan. 3. Analyze and explain how you would use DNS in your plan. 4. Compose a two-paragraph executive summary highlighting the main points of your plan. 5. Use at least three
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The network shows how DNS servers might be deployed and configured for a company having anywhere from two to 1,000 employees. My example has two sub domains, one for engineering and one for marketing. Like most companies, it uses private addresses for its internal systems and public IP addresses for the services it provides to the outside world. It uses a combination of BIND and Microsoft Active Directory to support both Windows desktops and other servers and workstations. External authoritative name server’s, domain registration information points to the minimum of two name servers, in this case a master that’s in the company’s DMZ and one that’s located far away across the Internet so that a failure that takes the company offline doesn’t make the domain disappear. There should always be a slave name server on a different network (a different ISP backbone) in a different location than your master. If you don’t want to host one yourself, there are DNS hosting services that will do it for a fee. The authoritative name servers should be protected with a firewall, but don’t hide them with network address translation. You want them to be available at the same address whether accessed from inside or outside of your network.
◦Equal separation by geography First, don’t confuse domain structure with site structure. The Active Directory site structure should always mimic an organization’s