1. Services Provided by Network Operating Systems
Session Aims
To gain an insight into Network Operating Systems (NOS)
Gain an insight into the types of services that NOS provide to networks

2. Network Operating Systems
Written specifically to implement and maintain networks
Installed on servers
MS Windows Server
Novell Netware
Linux
Required for networks with >10 devices
Provide services to networks
Manage user rights

3. Services Directory Services Telecommunication Services File Services
Application Services

4. Directory Services Domain Control Account Management
a.k.a. Active Directory
Account Management
Account management for groups
Account management for users
Authentication Management
Password protection
Chip & pin

5. Telecommunication Services
Internet Relay Chat (IRC)
VoIP
SMS
Remote Access
Terminal services
Remote desktop

6. File Services ftp Peer-to-peer systems Direct Http websites Email
Anonymous ftp
Peer-to-peer systems
Kazaa
Bittorrent
Blubster
Direct
Windows messenger
Http websites
Allow for download (and upload) of files
Files transferred as attachments

7. Application Services Application software Database servers Web servers
Microsoft SQL
Oracle
Web servers
E-commerce
chat
Proxy servers
Manage internet access on large systems

8. Application Services Shared Resources Printing Storage Space VoIP
Mobile working
Wi-fi applications
Authentication
Trust certificates
Biometrics