Part 9 Understanding Complex Systems.


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Section 9 Understanding Complex Systems. Educator: Nhan Nguyen Phuong. Substance. Executing Multivendor Arrangements Brought together Versus Customer/Server Figuring Customer/Server Environment Online Processing Situations. 1. Actualizing Multivendor Arrangements. 1.1. Customer Based Arrangements
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Section 9 Understanding Complex Networks Instructor: Nhan Nguyen Phuong

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Contents Implementing Multivendor Solutions Centralized Versus Client/Server Computing Client/Server Environment Web-Based Computing Environments Guide to Networking Essentials, Fifth Edition

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1. Executing Multivendor Solutions 1.1. Customer Based Solutions 1.2. Server-Based Solutions 1.3. Merchant Options Guide to Networking Essentials, Fifth Edition

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For a multivendor domain to work successfully, server’s OS, clients’ OSs, and redirectors must be good Different OSs use diverse routines to get to documents over a system: CIFS, SMB, NFS, AFP, NCP Two fundamental approaches to get the record frameworks from distinctive OSs to convey: from the customer end and from the server end Depends on which vendors’ items to interconnect Guide to Networking Essentials, Fifth Edition

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1.1. Customer Based Solutions Guide to Networking Essentials, Fifth Edition

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Guide to Networking Essentials, Fifth Edition

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Guide to Networking Essentials, Fifth Edition

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1.2. Server-Based Solutions To execute a server-based multivendor arrangement , programming must be stacked on the server to give administrations to a specific customer If a Windows Server 2003 system incorporates Macintosh has, the chairman can add Services for Macintosh to any of the Windows server OSs Windows Server 2003 NOSs incorporate this administration Then, Macintosh customers can associate with assets on the Windows server Similarly, Windows servers can be equipped with Windows Services for Unix Guide to Networking Essentials, Fifth Edition

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1.3. Seller Options Many NOSs are accessible from merchants, for example, Sun, SCO, and IBM This section concentrates on the four most well known PC working framework item sellers: Microsoft, Linux, Novell, and Apple with an end goal to straightforwardness availability between diverse NOSs, these organizations incorporate utilities in their OSs to permit basic network in the middle of customers and servers from distinctive merchants Guide to Networking Essentials, Fifth Edition

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1.3.1. Microsoft Redirector All Windows OSs, beginning with Windows for Workgroups, incorporate the Microsoft redirector, Client for Microsoft Networks Designed to get to CIFS or SMB-based document frameworks over a system Installing the OS introduces the redirector naturally The server segment (File and Printer Sharing for Microsoft Networks), utilized for sharing records and printers by means of CIFS or SMB, is introduced consequently Allows clients of Windows PCs to effectively impart their own documents and printers to other system clients Guide to Networking Essentials, Fifth Edition

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1.3.2. Microsoft in a Novell Network To unite a Windows customer to a Novell NetWare system running IPX/SPX, NWLink and Client Service for NetWare (CSNW) must be stacked on that Windows machine To associate a Windows Server 2003 framework to a NetWare system, NWLink and Gateway Service for NetWare (GSNW) must be stacked on server GSNW permits Windows customers running Client for Microsoft Networks to get to NetWare assets by utilizing the Windows server as a mediator Guide to Networking Essentials, Fifth Edition

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1.3.3. MS-DOS Clients MS-DOS has no implicit system abilities Each NOS merchant offers utilities to permit MS-DOS customers to join with servers of every one of the four types—Microsoft, Novell, Linux, and Apple Each utility can exist together with different utilities to give MS-DOS customer associations with all servers In an Apple Macintosh system: AppleShare PC programming, LocalTalk card In Linux-based system: Sun Microsystem’s PC-NFS, or Linux can run Samba Guide to Networking Essentials, Fifth Edition

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1.3.4. Novell Networks NetWare gives document/print administrations for different OSs Windows customers: Microsoft Client for NetWare or Novell Client Macintosh customers: Novell Client for Mac OS; if fundamental, NetWare servers can bolster AppleTalk With Novell NFAP, Windows CIFS/SMB customers, UNIX/Linux NFS customers, and Macintosh customers (AFP) can have system record access to NetWare assets Novell NetStorage (NetWare 6.5) gives stage autonomous access to a NetWare network’s assets through a Web program Guide to Networking Essentials, Fifth Edition

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Guide to Networking Essentials, Fifth Edition

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1.3.5. Linux/UNIX Networks Network File System (NFS) licenses arranged machines to fare bits of their record frameworks After a NFS volume is distributed on the system, approved clients can mount it in the nearby document frameworks Mount point Also bolsters printer sharing To get to NFS, PC customers need extra SW Administrators want to add Samba to their Linux servers rather Is open source and permits Linux/UNIX machines to take on the appearance of a local Microsoft system server Guide to Networking Essentials, Fifth Edition

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1.3.6. Mac Macintosh Included in each Macintosh are the OS records and the equipment needed to convey in an AppleTalk system The AppleShare organizing programming consequently gives document sharing and incorporates a print server that permits PCs to share printers Guide to Networking Essentials, Fifth Edition

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1.3.7. Macintosh OS X Mac OS X varies from past adaptations Includes system customer programming to keep running in a Macintosh, Windows, or UNIX environment Negates the requirement for Windows servers to introduce uncommon administrations for Macintosh PCs or AppleTalk (gives SMB administrations) Built on a UNIX center Backward-perfect backing for conventional Macintosh document sharing through different Macs, Windows, or NetWare servers giving Macintosh administrations Guide to Networking Essentials, Fifth Edition

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1.3.8. Handheld Computing Environment There’s no unmistakable HW/SW standard on which to depend Lack of similarity between makers Handheld PCs infrequently interface with the LAN Options for uniting incorporate Ethernet, additionally USB, Wi-FI, Bluetooth, and serial connections Handhelds join specifically to PCs to synchronize Maintaining a working and secure environment for handhelds is a most recent test for managers Server-based SW can deal with synchronization, reinforcement, and application stacking for handheld PCs in an organization Guide to Networking Essentials, Fifth Edition

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1.3.9. Coordinating PDAs into a Corporate Network PDAs can run Web programs, email customers, and so on. The greater part come furnished with a Wi-Fi association, permitting them to synchronize information with the user’s PC and access corporate information and the Internet specifically through a Wi-Fi access point Administrators are being requested that set up remote access focuses and uncommon Web substance, and even compose new applications to oblige PDAs Security is additionally a worry Wired Equivalent Privacy (WEP) may not be sufficient For more vigorous security, use WPA or 802.11i Guide to Networking Essentials, Fifth Edition

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2. Brought together Versus Client/Server Computing 2.1. Understanding Terminal Services 2.2. Flimsy Client Computing 2.3. Back to the Future: The Mainframe Environment Guide to Networking Essentials, Fifth Edition

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In unified figuring , centralized servers perform all handling “Dumb” terminals unite straightforwardly to the centralized computer PCs and “thin clients” can likewise get to a centralized computer Generally character-based, these applications oblige little info from the PC, flimsy customer, or terminal Traffic increments enormously on the grounds that for each keystroke, a bundle is sent over the system to the centralized computer Then, centralized computer sends a (perhaps vast) reaction Client/server registering is utilized rather than concentrated processing applications Guide to Networking Essentials, Fifth Edition

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2.1. Understanding Terminal Services Halfway through the Windows NT Server item cycle and with the arrival of Windows 2000 Server, Microsoft included Terminal Services Makes it workable for more established, less skilled PCs, dainty customers, or tight data transmission remote clients to run extensive or complex Windows applications For every client, the server running Terminal Services runs a product based “virtual PC” The main preparing that the neighborhood customer handles is client information and showing project yield Guide to Networking Essentials, Fifth Edition

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Well suited for: Providing access to current Windows applications on more established PCs or slender customers Providing access to unified applications or administrations (rather than introducing them on customer PCs) Allowing remote customers utilizing thin transfer speed associations with access capable Windows applications Remotely directing PCs Guide to Networking Essentials, Fifth Edition

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Guide to Networking Essentials, Fifth Edition

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2.2. Slight Client Computing Some OSs incorporate abilities for slim customers to unite with the server, access assets, and run applications, all with extensively less assets than a run of the mill desktop PC Thin customers add the accompanying advantages to the figuring environment: No removable stockpiling No hard commute Lower aggregate expense of possession Guide to Networking Essentials, Fifth Edition

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2.3. Back to the Future: The Mainframe Environment The centralized computer PCs acquainted with clients in the late 1950s and mid 1960s likewise presented the brought together registering model, which is the premise of terminal administrations Today, certain exchange concentrated applications—such as vast scale carrier, lodging, and rental auto applications—work well with centralized computers and terminals (or terminal copying) Mainframes keep on being critical figuring assets today and for a long time to come Guide to Networking Essentials, Fifth Edition

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3. Customer/Server Environment 3.1. Customer/Server Model in a Database Environment 3.2. Preferences of Working in a Client/Server Environment Guide to Networking Essentials, Fifth Edition .:tslidese

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