CD- -ROM Networking ROM Networking CD Somchai Prasitjutrakul - - PowerPoint PPT Presentation
CD- -ROM Networking ROM Networking CD Somchai Prasitjutrakul Somchai Prasitjutrakul Dept. . of Computer Engineering of Computer Engineering Dept Chulalongkorn Univ. . Chulalongkorn Univ CD- -ROM Networking ROM Networking : : Outline
CD CD-
ROM Networking
Somchai Prasitjutrakul Somchai Prasitjutrakul Dept Dept. . of Computer Engineering
Chulalongkorn Univ Chulalongkorn Univ. .
CD CD-
ROM Networking : : Outline Outline
v vIntroduction
Introduction
v vComponents
Components
v vArchitectures
Architectures
v vDemo
Demo. .
v vQ & A
Q & A
CD CD-
ROM Networking
v vOffer CD
Offer CD-
ROM drives as an additional network resource network resource
v vAfford multiple network users access to
Afford multiple network users access to the same disc simultaneously the same disc simultaneously
v vLet individuals conveniently select and
Let individuals conveniently select and read the particular disc they want read the particular disc they want
CD CD-
ROM Network : : Strengths Strengths
v vHigher user productivity
Higher user productivity
v vHigher performance
Higher performance
v vEasier management
Easier management
v vBetter security
Better security
v vLower cost
Lower cost
CD CD-
ROM Networking: :Limitations Limitations
v vPerformance
Performance
v vCompatibility
Compatibility
v vCapacity
Capacity
v vComplexity
Complexity
CD CD-
ROM Network: : Components Components
v vCD
CD-
ROM discs
v vRetrieval software
Retrieval software
v vComputer workstations
Computer workstations
v vCD
CD-
ROM drive( (s s) )
v vNetwork
Network : : H H/ /W W + + S S/ /W W
CD CD-
ROM Reader
v vCD
CD-
ROM drives
v vCD
CD-
ROM minichanger
v vCD
CD-
ROM tower
v vCD
CD-
ROM jukebox
– – DRM DRM-
5004X : : 4 drives, 500 discs 4 drives, 500 discs – – Discs are not used very often Discs are not used very often – – Small number of simultaneous users Small number of simultaneous users – – Index is located on the hard disk Index is located on the hard disk
CD CD-
ROM Network: : Architectures Architectures
v vPeer
Peer-
to-
peer access
v vFileserver extensions
Fileserver extensions
v vPlug
Plug’ ’n Play CD n Play CD-
ROM mini servers
v vDedicated CD
Dedicated CD-
ROM servers
Peer Peer-
to-
Peer Access
Share locally attached CD-ROMs
Peer Peer-
to-
Peer Access
v vAdvantages
Advantages
– – Each user has control over their CD Each user has control over their CD-
ROM – – Low cost and ease of installation Low cost and ease of installation
v vDisadvantages
Disadvantages
– – Host Host’ ’s CD s CD-
ROM use is limited – – Lack of standard management and control Lack of standard management and control – – May experience long delays May experience long delays
Peer Peer-
to-
Peer Access : : NOS NOS
v vMicrosoft WFW, Windows 95,
Microsoft WFW, Windows 95, NT Workstation NT Workstation
v vIBM OS
IBM OS/ /2 Warp 2 Warp
v vMacintosh OS
Macintosh OS
v vLANtastic
LANtastic
v vPOWERLan
POWERLan
Fileserver Extensions Fileserver Extensions
CD-ROM Tower, Minichanger Fileserver
Fileserver Extensions Fileserver Extensions
v vAttached CD
Attached CD-
ROM drives are viewed as if they were hard disk drives as if they were hard disk drives
v vView the attached CD
View the attached CD-
ROM drives as
v vPerformance file and directory caching
Performance file and directory caching
Novell Netware Windows NT server
Fileserver Extension Fileserver Extension
v vAdvantages
Advantages
– – Leverages existing fileserver H Leverages existing fileserver H/ /W & S W & S/ /W W – – Offers high performance CD Offers high performance CD-
ROM access – – Provide common, centralized management Provide common, centralized management – – Maximum physical security Maximum physical security
v vDisadvantages
Disadvantages
– – Burdens the fileserver Burdens the fileserver – – Limits access for user to change discs Limits access for user to change discs
Fileserver Extensions Fileserver Extensions : : Software Software
v vMeridian Data
Meridian Data’ ’s CD Net s CD Net
v vMicro Design
Micro Design’ ’s SCSI Express s SCSI Express
v vMicrotest
Microtest’ ’s CD s CD-
NOW! !
v vSmart Storage
Smart Storage’ ’s Smart CD s Smart CD
v vetc
etc. .
CD CD-
ROM Mini Servers
CD-ROM Tower, Minichanger Mini server Fileserver
CD CD-
ROM Mini Servers
v vAdvantages
Advantages
– – Easiest to install and access Easiest to install and access – – Can be placed anywhere, allow Can be placed anywhere, allow workgroups to admin workgroups to admin. . their own needs their own needs – – Highly scalable and expandable Highly scalable and expandable – – Offers mid Offers mid-
range CD-
ROM performance
v vDisadvantages
Disadvantages
– – Need additional fileserver Need additional fileserver’ ’s resources s resources – – Less secure, if allow physical access Less secure, if allow physical access
CD CD-
ROM Mini Servers
v vMicrotest
Microtest’ ’s DiscPort s DiscPort
v vMeridian
Meridian’ ’s CD Net Link s CD Net Link
v vMicro Design
Micro Design’ ’s CD s CD-
Express Connect
v vAxis StorPoint
Axis StorPoint
v vetc
etc. .
Dedicated CD Dedicated CD-
ROM Servers
CD-ROM Tower, Minichanger, Jukebox CD-ROM server Fileserver
Dedicated CD Dedicated CD-
ROM Servers
v vDOS
DOS-
based optical server / / redirector redirector
v vNetware NLM
Netware NLM / / redirector redirector
v vNetware volume emulation
Netware volume emulation
v vWindows NT services
Windows NT services
Dedicated CD Dedicated CD-
ROM Servers
v vAdvantages
Advantages
– – Provides highest performance Provides highest performance – – Allows a large number of CD Allows a large number of CD-
ROM drives – – Supports higher capacity CD Supports higher capacity CD-
ROM jukeboxes – – Does not burden existing production servers Does not burden existing production servers – – Offers common, centralized management Offers common, centralized management
v vDisadvantages
Disadvantages
– – Generally more expensive Generally more expensive
Wider Access Wider Access
v vRemote access via modem
Remote access via modem
– – pcANYWHERE pcANYWHERE – – Stac Stac’ ’s ReachOut s ReachOut – – NT NT’ ’s RAS, Novell s RAS, Novell’ ’s NAS, Terminal s NAS, Terminal server, server,... ...
v vInternet access
Internet access
– – Supro Supro’ ’s Everywhere Access for DOS, OS s Everywhere Access for DOS, OS/ /2 2 – – NT NT’ ’s Telnetd s Telnetd – – NetBIOS over TCP NetBIOS over TCP/ /IP IP – – Web Web + + CD CD-
ROM server
Faster Access Faster Access
v vCaching CD
Caching CD-
ROM images to hard disk
– – Logiccraft Logiccraft’ ’s FastCD s FastCD – – Stac Stac’ ’s CD s CD-
Quickshare – – NT NT’ ’s compressed NTFS s compressed NTFS
v vHigh use discs in a Tower
High use discs in a Tower
v vLow use discs in a Jukebox
Low use discs in a Jukebox
MSCDEX MSCDEX
CD-ROM Retrieval S/W DOS MSCDEX Device Driver CD-ROM Hardware int 21h int 2Fh Some CD-ROM applications may not run off of the server
Client Client-
Server Architectures
v vMap CD
Map CD-
ROM drives as shared network disk drives network disk drives
– – Your network cable acts like a data bus Your network cable acts like a data bus
Retrieval Interface + Search Engine
Client Client-
Server Architectures
v vPutting the search engine in your server
Putting the search engine in your server lessens the network traffic lessens the network traffic
Retrieval Interface Search Engine
Demonstrations Demonstrations
Questions & Answers Questions & Answers