Logical Topologies

Logical Topologies

Logical Topologies: are two types

1.  Work group.
2.  Domain

Workgroup (peer to peer):

•   Collection of computers connected together to share the resources.
•   No servers are used.
•   Only Client OS is mostly used.
• Any O/S like, DOS, 95, 98, workstation, win 2000 pro, and XP pro can be configured as work-group model.
•   Suitable for smaller organizations.
•   Where security is not the criteria.
•   No administrator is required
• Where  we  are  not  using  client  server  based  applications.  Like  oracle,  SQL  and exchange etc.

Domain (Client/Server)

Domain is a collection of computers connected together with a server and users
Domain model can have servers like UNIX, Novell NetWare, WIN-NT server, 2000 server, and
2003 server.
Provides centralized administration.
Suitable for medium to large size networks/organizations.
Suitable when we have client server architecture (Back ends & front ends) Domain offers security and provides logon authentication.
Suitable if security is criteria
Requires an administrator.

HARDWARE REQUIREMENTS

Windows 2003 Standard Edition:

    RAM: Min:128 MB
    Rec: 256 MB
    Max. RAM 4 GB
    Processor: Pentium 550 MHz
    HDD free space 1.5GB
    SMP: 4 processors

Windows 2003 Enterprise Editions:

    RAM: Min:128 MB
    Rec: 256 MB
    Max. RAM 16 GB
    Processor: Pentium 733MHz
    HDD free space 1.5GB
    SMP:16 processors

Windows 2003 Web Edition:

    RAM: Min:128 MB
    Rec: 256 MB
    Max. RAM 2 GB
    Processor: Pentium 550 MHz
    HDD free space 1.5GB
    SMP: 2  processors

Windows 2003 Data Center Edition:

    RAM: Min: 1GB
    Rec: 2GB
    Max. RAM 64 GB
    Processor: Pentium 733MHz
    HDD free space 1.5GB
    SMP: 64 processors