A protocol is a collection of specifications or rules for data packets that enable information to be sent over the network. Network protocols are designed for network communication. In order to understand the different protocols available and their efficiencies, lets first look at the Open Systems Interconnection (OSI) reference model. This is the standard model …
Installing TCP/IP TCP/IP is installed automatically when the Windows Server 2003 setup process runs. It is not usually necessary to install TCP/IP after the Windows Server 2003 setup process completed. The instances when you might need to manually install TCP/IP are listed below: TCP/IP was disabled when the Windows Server 2003 setup process executed. TCP/IP …
Determining Information Flow Requirements To determine the information flow of the organization, you need to include a number of factors, of which the main ones are listed below. Accessing data or information should be one of the main concerns when planning the network design: The data that needs to be accessed by users. The location …
Troubleshooting VPN Services Overview Troubleshooting VPNs typically encompass troubleshooting of the following configuration settings, or aspects of your remote access strategy: IP connectivity. Setting up of remote access connections IPSec IP routing To create VPN connections, there are a few requirements that have to be met: VPN services need to be enabled on the server. …
LAN Segmentation Overview Network segmentation is the terminology used to describe the process of dividing single Ethernet segments into multiple segments. Network segmentation has the following main advantages: Network performance of the LAN is improved. Network congestion issues can be resolved. Available bandwidth is maximized. A few technologies which you can use to perform network …
When routers need to forward packets, they interpret the packets’ addresses then use the information in the routing tables to pass the packet on. Data packets contain both source and destination addresses in their packet headers. This is the information that is used when routing decisions need to be made. The destination address is compared …
Planning the Test Network Environment Any successful network design deployment includes a testing strategy, and the execution of the testing plan. To test the network design, you have to plan the test network or environment, and then create the test network. A testing environment can contain one lab or multiple labs. You can build various …
NetBIOS, broadcasts names to listening nodes on the network. NetBIOS utilizes a User Datagram Protocol (UDP) query to broadcast names. NetBIOS names identified computers on the network before the introduction of Windows 2000. The NetBIOS name is resolved to an IP address through Windows Internet Name Service (WINS), broadcasting, or the LMHOSTS file. If the …
Department of Defense Network (DoD) Network Model Introduction Back in 1960, systems were primarily made up of mainframe computers, and were typically owned by fairly large companies and government institutions. Because mainframe computers run different proprietary software, and due to mainframes not being able to communicate between each other, special code (interface) had to be …
Network Load Balancing Overview Network Load Balancing (NLB), included in Windows 2000 and Windows Server 2003 can be used if you need to provide increased levels of availability for TCP/IP applications. All versions of Windows Server 2003 include NLB. While NLB is automatically installed, it is not enabled. In a NLB cluster, client requests are …