Building Windows Server 2008 Network against Organization Size Definitions

Windows Server 2008 has been designed to respond to the needs of organizations of all sizes, whether you are a company of one working in a basement somewhere or whether your organization spans the globe, with offices in every continent. Obviously, there is a slight difference in scale between the two extremes. Each of these is defined as follows:

• Small organizations are organizations that include only a single site. They may have several dozens of workers, but given that they are located in a single site, their networking needs are fairly basic.

• Medium organizations are organizations that have more than one site but less than ten. The complexities of having a network with more than one site address the networking needs of medium organizations.

• Large organizations are organizations that have ten sites or more. In this case, organizations need more complex networks and will often rely on services that are not required at all by the two previous organization sizes.

Small organizations have all of the requirements of a basic network and will normally implement a series of technologies, including directory services, e-mail services, file and printer sharing, database services, and collaboration services. Even if the organization includes a very small number of people, these services will often be at the core of any networked productivity system. For this reason, it is often best for this type of organization to use Windows Small Business Server 2008 (SBS08), because it is less expensive and it includes more comprehensive applications for e-mail and database services. Nevertheless, some organizations opt for Windows Server 2008 anyway, because they are not comfortable with the limitations Microsoft has imposed on the Small Business Server edition. For example, it is always best and simpler to have at least two domain controllers running the directory service because they become automatic backups of each other. SBS08 can only have a single server in the network and therefore cannot offer this level of protection for the directory service. This is one reason why some small organizations opt for Windows Server 2008 even if it is more costly at first. However, realizing this business need, Microsoft is releasing Windows Essential Business Server 2008 (WEBS) as a multi-component server offering for these organizations. WEBS is made up of three server installations:

• Windows Essential Business Server Management Server. To manage the WEBS network as well as worker collaboration and network services centrally.

• Windows Essential Business Server Security Server. To manage security, Internet access, and remote-worker connectivity.

• Windows Essential Business Server Messaging Server. To provide messaging capabilities.

Medium organizations face the challenge of having to interconnect more than one office. While small organizations have the protection of being in a single location, medium organizations often need to bridge the Internet to connect sites together. This introduces an additional level of complexity.

Large organizations have much more complex networks that provide both internal and external services. In addition, they may need to interoperate in several languages and will often have internally developed applications to manage. Large organizations may also have remote sites connected at varying levels of speed and reliability: Integrated Services Digital Network (ISDN) or dial-up. From a Windows standpoint, this necessitates a planned replication and possibly an architecture based on the Distributed File System (DFS). For this reason, they include many more service types than small or medium organizations.

Source of Informarion : McGraw Hill Microsoft Windows Server 2008

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