The Network Operating System For Habibi’s Restaurant

Log-on securities are delicate in protecting the computer network. As a restaurant that uses computers to enhance faster communication in a more efficient and less time consuming way must be aware of certain software updates to ensure the safety of the computer services. Defined in Wikipedia (2007), the system must be using the software NOS or network operating system hence this controls networking, the messages that comes like traffic and queues when many users are using the network.

The software does not only aid in the quick access but it also does some administrative functions and has an especial function when it comes to security. Compared to the available softwares like OS’s or Windows XP, NOS run to enhance the optimum network performance and the software is commonly used in local area networks or to a wide area networks but is also applicable to a broader array of networks. NOS are based in the 5 layers of OSI reference model.

The restaurant could use the latest available NOS like Novell Netware, Windows NT and 2000, Sun Solaris and IBM OS/2 to achieve the best performance in the administrative level. Many important programs are protected by NOS like it could provide back-up for processors, protocols, automatic hardware detection and support multi-processing, security measures like authentication, authorization, logon restrictions and access control. Other featured programs are the name and directories, back-up and replication services, internetworking or routing and WAN ports. With the use of these remote access systems the administration could log on and log off efficiently. The NOS also aids in auditing, graphic interfaces, clustering, tolerance to fault and high availability system.

In using the Windows Server 2003 the Active Directory compatibility could be enhanced. There is also better deployment support when it comes to the transition like for example from Windows NT 4.0 to Windows Server 2003 and Windows XP Professional. The security services are answered by changes in the IIS web server. It is rewritten for the enhancement of security.

While the Distributed File System have many functions including the maintenance of multiple hosting of DFS single server , terminal server , active directory , print server , and other programs or services. There are new versions of Windows Server that can be used via the Remote Desktop Protocol for terminal services. This program can have a multiple functions as well as in remote graphical logins for fast performances from the distant server. The IIS as it is used in Windows Server 2003 increases the default security system because of the built in firewall that can break defaults.

In March 2005 new improvements and updates were incorporated to Windows Server 2003 like the Windows XP containing users like Service Pack 2. The following programs are the updates for Windows Server 2003.  There are Security Configuration Wizard that can enhance the administrator’s research in making changes and security policies.  Another program is Hot Patching that allows DLL, the driver and non-kernel patches for a non reboot function. The IIS 6.0 Metabase Auditing is responsible in tracking or editing of metabases. The Windows XP Service Pack 2 could be effectively converted to Windows Server 2003 by using the Windows Firewall system. With package like the Security Configuration Wizard that can be used by the administrators for more manageable incoming open ports and hence it can be detected automatically because the default roles could be selected.  For the support of IPv6, Wireless Provisioning Services is used. This also builds new defenses against SYN flood TCP assault.  Default modes can be turn on when a Service Pack 1 server is booted after its installation, and is made possible by Post-Setup Security Updates , hence it configures the firewall to barricade all incoming connections, and able in directing the user for updates installation.  Buffering could be prevented if (DEP) or Data Execution Prevention has to be used. The No Execute (NX) does not allow overflow especially in cases that there is an attack by Windows Server vectors.

The Windows Server 2003 R2 is the newest update with installable features for Windows Server 2003 that includes SP1. The software has many systems of function like Branch Office Server that is very capable in centralization of tools in the administrator like the files and printers, enhancement of Distributed File System (DFS), the WAN data replication responsible for Remote Differential Compression.  The Identity and Access Management for Extranet Single Sign-On and identity federation, centralization of administration in extranet application access, automated disabling of extranet access in consideration to the Active Directory account information, the user access logging and cross-platform web Single Sign-On and or password synchronization with the use of Network Information Service (NIS). Storage Management for the File Server Resource Manager that can have a storage utilization reporting function, enhancement of quota management, the file screening limits files types are allowed and the storage Manager for Storage Area Networks (SAN) for the function of storage array configuration. The Server Virtualization serves in the 4 virtual instances. The SDK for UNIX utilities that gives a full Unix development environment examples are Base Utilities, SVR-5 Utilities, Base SDK, GNU SDK, GNU Utilities, Perl 5, Visual Studio Debugger Add-in.

The Windows Server 2003 contains Datacenter edition which allows an 8-node clustering that could help lessen fault tolerance. By means of clustering, the fault tolerance of server installations is boosted and is accessible. The clustering also supports the file storage that is connected to Storage Area Network (SAN). This could run in Windows and also to non-Windows Operating systems as it can be connected to other computers. To block data’s or redundancy and to achieve fault tolerance, the Windows Storage Server 2003 uses the RAID arrrays for these functions. A Storage Area Network is available in Windows Storage Server 2003 where the data’s are transferred then stored in bigger chunks and not by files. Therefore the data’s transferred are more granular, because of that there is a higher performance in database and transaction processing, while it permits NAS devices to get connected in SAN.

The Windows Storage Server 2003 R2 has a Single Instance Storage (SIS) contained in the file server to optimize high perfromance. The (SIS) can transfer or scan files in volumes moving it to the common SIS store, thereby reducing the storage bulk by 70%. As stated by Couch (2004) installation of data protection systems like the uninterruptible power supplies (UPS), redundant array of independent disks (RAID), and tape backup systems that are provided by Windows Home Server will aid in the maintenance of the network.


  1. Wikipedia, 2007. Windows Server 2003. Retrieved on May 10, 2007.
  2. Wikipedia, 2007. Network operating system. Retrieved on May 10, 2007.
  3. Couch, A. 2004. Network Design System Administration. Retrieved on May 11, 2007.

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