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 …
Monitoring Network Activity with Network Monitor The tool which you can utilize to both monitor and log network activity as it occurs on the network is the Network Monitor. You can use the information obtained from Network Monitor to optimize network traffic as well. Network Monitor stems directly from the Windows NT Network Monitor. Network …
In Routing and Remote Access Service (RRAS), NAT can be used to provide basic Internet connectivity for small offices or home offices. NAT translates IP addresses and associated TCP/UDP port numbers on the private network to public IP addresses which can be routed on the Internet. Through NAT, host computers are able to share a …
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 …
An Overview on Secure Sockets Layer (SSL) The Secure Sockets Layer (SSL) protocol was developed by Netscape Communications, and enables secure communication over the Internet. SSL works at the transport layer of Transmission Control Protocol/Internet Protocol (TCP/IP), which makes the protocol independent of the application layer protocol functioning on top of it. SSL is an …
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 …
A NetBIOS node type is a method that a computer uses to resolve a NetBIOS name into an IP address. A NetBIOS node type allows an administrator to configure the order and method that a client uses when resolving NetBIOS names to IP addresses. Understanding how the various node types function will help users to …
Internet Connectivity Introduction In most organizations and networks today, Internet connectivity is no longer an additional option, but a necessity. Most organizations that have a networking environment need to provide its employees or users with some form of connectivity to the Internet. E-mail and Web sites have evolved into being important mechanisms for a vast …
While encryption can be a robust security technology, users have to implement a public key infrastructure (PKI) to make it beneficial and trusted within an organization. The Windows 2000 and Windows Server 2003 PKI implementation resides in Certificate Services. A public key infrastructure is the collection of technology, protocols, services, standards, and policies that control …
Automatic Private IP Addressing (APIPA) Overview DHCP is a service that functions at the application layer of the TCP/IP protocol stack. One of the primary tasks of the DHCP service is to automatically assign IP addresses to DHCP clients. A server running the DHCP service is called a DHCP server. The DHCP service automates the …