Nt1330 Unit 3 Assignment 1

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DNS With the rapid growth of Kris Corporations infrastructure a multi-tiered and geographically dispersed DNS architecture is highly recommends. The first line of DNS will be the Internet external facing DNS servers that do not contain internal zone information. Segmenting internal and external resolution ensures safety for the corporate infrastructure by preventing external attackers from easily being able to map the corporate infrastructure.
To provide added security, these external resolution servers will reside in the virtual clusters in the Atlanta and San Diego offices and handle primary DNS for your Internet facing domain name resolution. If your Internet provider supports geographic diversity for DNS resolution then both sites …show more content…

This would result from a local catastrophic failure that removed all local servers from the network and would be highly unlikely. In a traditional architecture this would computationally expensive, however through the deployment of virtualized Windows Server 2012 this is an achievable resilience posture. With the introduction of 2012 there is a failover option that allows the DHCP scope to be replicated to alternative DHCP servers or server clusters. This will require interaction with the local routers to pass the DHCP request to the Atlanta or San Diego office. Once implemented this will ensure that the data center clusters can take over primary DHCP assignment for the regional office in the event of a regional data center failure. While this DHCP architecture offers the utmost resilience and reliability it may seem difficult to manage upon first review. Windows Server 2012 provides a simple solution to IP assignment oversight and management in the form of IP Address Management Server (IPAM). IPAM is another role that is installed on one or more servers and allow them to “centrally watch and manage" the other servers on your network that are actually doing the work” (Joyner, 2013). Not only is this beneficial for DHCP but it may also be implemented to monitor DNS, Network Policy Server, and Active Directory

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