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CLIENT/SERVER SYSTEMS DEVELOPMENT – HARDWARE

 

–          Hardware/Network Acquisition

–          PC-Level Processing Units

–          Macintosh

–          Notebooks

–          Pen

–          Unix Workstation

–          X-Terminals

–          Server Hardware

–          Data Storage

–          Magnetic Disk

–          Mirrored Disk

–          RAID-Disk Array

–          Tape

–          Optical disks

–          CD-ROM

–          WORM

–          Erasable Optical

–          Network Interface Cards (NICs)

–          Token Ring

–          Ethernet

–          FDDI

–          CDDI

–          Power Protection Devices

–          Uninterruptible Power Supply (UPS)

–          Surge protectors

 

UNIT – V

 

CLIENT/SERVER SYSTEMS DEVELOPMENT – SERVICE AND SUPPORT

 

–          System Administration

CLIENT / SERVER TECHNOLOGY

 

UNIT-I

 

CLIENT / SERVER COMPUTING

 

–          What is client?

–          What is server?

–          What is client/server?

–          A modern client/server architecture

–          Simplified application model

–          Degree of technology visibility to developer

Mainframe-Centric Client/Server Computing

–          EDI

–          ICR

Downsizing and Client/Server Computing

–          Downsizing: Reduction of the size of Client/Server

–          Upsizing: Increase of the size of Client/Server

 

ADVANTAGES OF CLIENT/SERVER COMPUTING

–          Enhanced Data Sharing

–          Integrated services

–          Sharing Resources among Diverse platforms

–          Data Interchangeability and Interoperability

–          Masked physical data access

–          Location independence of data processing

–          Centralized Management

Technology Revolution

–          Future Technologies

–          Computing Power Compared

–          Input/Output Compared

–          Main Storage

–          Software Trends

·         Graphical Screen Designs

·         Relation Databases

Connectivity

–          Step 1: Workstations Emulate Corporate Systems

–          Step 2: Adding Servers for database and communications

–          Step 3: Full-fledged Client/Server Applications

Ways to improve Performance

–          Offload work to server

–          Reduce total execution time

–          Use a multitasking client

How to Reduce Network Traffic

–          Minimize Network Requests

–          Ease Strain on Network Resources

–          How to Reduce Costs

 

UNIT-II

 

COMPONENTS OF CLIENT/SERVER APPLIVATIONS – THE CLIENT

 

The Role of the Client

–          Requester

–          Facilities such as Dynamic Data Exchange (DDE), Object Level Embedding (OLE), Common Object Request Broker Architecture (CORBA)

–          Common Open Software Environment (COSE)

Client Services

Request for Service

–          IPC (Interprocess Communication)

–          NOS Redirection

–          How does redirection work?

–          Remote Procedure Call (RPC)

–          Fax/Print Services

–          Window Services

–          Remote Boot Services

–          Other Remote Services

–          Shared Memory

–          Queues

–          Dynamic Data Exchange

–          Remote Procedure Calls

–          Object Linking and Embedding

 

Wide Area Network Technologies

–          Frame Relay

–          Switched Multimegabit Data Services (SMDS)

–          ATM in the Wide Area Network

–          Integrated Services Digital Network

·         B-Channel

·         D-Channel Signaling

·         ISDN Applications

 

UNIT – IV

 

CLIENT/SERVER SYSTEMS DEVELOPMENT – SOFTWARE

 

–          Factors Driving Demand for Application Software Development

–          Rising Technology Staff Costs

–          Need to Improve Technology Professional’s Productivity

–          Need for Platform Migration and Reengineering of Existing Systems

–          Need for a Common Interface Across Platforms

–          Increase in Applications Development by Users

–          Client/Server Systems Development Methodology

·         Systems Integration Life Cycle

·         SILC phases and major activities

 

 

 

–          Asynchronous Transfer Mode (ATM)

·         Constant Bit Rate (CBR)

·         Variable Bit Rate (VBR)

·         Bursty  traffic

–          Hubs

·         Workgroup Hubs

·         Wiring Closet Hubs

·         Network Center Hubs

–          Internetworking Devices: Bridges and Routers

·         Networking Devices: Repeaters and Bridges

·         Internetwork Devices: Routers and Gateways

–          Transmission Control Protocol/Internet Protocol

·         TCP/IP’s Architecture

·         Internet Protocol

·         Transport Protocols

·         Telnet

·         File Transfer protocol (FTP)

–          Simple Network Management Protocol (SNMP)

–          Network File System (NFS)

–          Simple Mail Transfer Protocol (SMTP)

·         TCP/IP and  Internetworks

·         Routing

·         Connection Vs Connectionless

·         Administrative Load Sensitivity

·         Networks of Network

InterProcess Communication

–          IPC Services

–          Peer-to-Peer Protocols

–          NetBIOS

–          Application Program-to-Program Communication

–          Named Pipes

–          Anonymous Pipes

–          Semaphores

–          Utility Services

–          Message Services

–          Network Services

–          Application Services

–          Database Services

–          Network Management Services – Alerts

–          Dynamic Data Exchange (DDE)

–          Object Linking and Embedding (OLE)

–          Common Object Request Broker Architecture (COBRA)

   

COMPONENTS OF CLIENT/SERVER APPLIVATIONS – THE SERVER

           

The Role of the Server

–          Respond for Requests

–          Application Servers

–          File Servers

–          Database Servers

–          Print Servers

–          Fax Servers

–          Communication Servers

–          Security Servers

Server Functionality in Detail

–          Request Processing

Requests from Client           NOS Services               Server

–          File Services

–          Fax/Print/Image Services

–          Database Services

·         Flat Files: Sorting Physical Records

·         Hieratical Databases: Adjacent Storage of Related Record Types

·         Relational Databases: Extracted Indexes and SQL

·         DBMS Features

·         Object-Oriented – A Bright Future

–          Communications Services

–          Security Services

 

The Network Operating System

–          Novell Netware

·         Netware works both SOS and NOS

·         Netware Architecture

·         Netware Open Services

–          LAN Manager

–          IBM LAN Server

–          Banyan VINES

–          PC Network File Services (NFS)

What are the Available Platforms?

–          Workstations in LAN Configuration

–          LAN-to-LAN/WAN Configuration

–          LAN-to-Host Configuration

–          Enterprise-Wide

·         OLTP (Online Transaction Processing) on a LAN

·         OLTP with UNIX

The Server Operating System

–          Netware

–          OS/2

–          Windows NT

–          MVS

–          OPENVMS

–          UNIX

·         UNIX Architecture

·         Open Software Foundation (OSF)

·         Important Technologies defined by OSF

·         COSE (Common Open Software Environment)

 

–          Distributed Computing Environment (DCE)

·         DCE Architecture

·         Elements of DCE

·         RPC, Naming, Security, Threads, Time Service, Distributed File Services, PC Integration, Management and Communications

 

UNIT – III

 

COMPONENTS OF CLIENT/SERVER APPLIVATIONS – CONNECTIVITY

 

Open Systems Interconnect

–          The Seven Layer of OSI model

–          Physical Layer

–          Data Link Layer

–          Network Layer

–          Transport Layer

–          Session Layer

–          Presentation Layer

–          Application Layer

 

Communications Interface Technology

–          LAN Cabling

·         Twister Pair Cable

·         Co-Axial Cable

·         Fiber Optical Cable

–          Ethernet IEEE 802.3

·         NICs (Network Interface Cards)

–          Token Ring IEEE 802.3

–          Fiber Distributed Data Interface (FDDI)

–          Copper Distributed Data Interface (CDDI)

–          Ethernet Vs Token Ring Vs FDDI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

–          Availability

–          Reliability

–          Serviceability

–          Software Distribution

–          Performance

–          Network Management

–          Help Desk

–          Remote Systems Management

–          Security

–          LAN and Network Management Issues

–          Licensing

 

The Future of Client/Server Computing

 

–          What’s in Store for Networking – Everyone’s a Peer

–          What’s in Store for software Development – Everyone’s an Object

–          Enabling Technologies

·         Expert Systems

§Knowledge Based System (KBS)

§Architecture of Expert Systems

·         Geographic Information Systems

·         Geographic Positioning Systems

·         Point-of-Service (POS)

·         Imaging

§Optical Character Recognition (OCR)

§Intelligent Character Recognition (ICR)

·         Electronic Document Management – Multimedia

·         Full-Text Retrieval

–          Transformational Systems – The Challenge of the 1990’s

·         Emergency Public Safety

·         Electronic data Interchange (EDI)

 

·         Financial Analysis