1 Perkembangan Teknologi Informasi dan Komunikasi Bab 2 : Peran TIK di Era Globalisasi Dr. ir. Ari SANTOSO, DEA Tiga Pilar Implementasi TIK Infrastruktur Sistem Informasi Data dan Informasi Visi & Misi Perangkat keras dan Lunak Budaya dan Pola Pikir Sumber Daya Manusia
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Perkembangan Teknologi Informasi dan KomunikasiBab 2 : Peran TIK di Era Globalisasi
Dr. ir. Ari SANTOSO, DEA
Tiga Pilar Implementasi TIK
Infr
astr
uktu
r
Sist
em In
form
asi
Dat
a da
n In
form
asi
Visi & Misi
Perangkat keras dan Lunak
Budaya dan Pola Pikir
Sumber Daya Manusia
Contoh website
Salah satu website Berita
Salah satu website Berita
Salah satu website Berita
Salah satu website Universitas
Salah satu website Universitas
Salah satu website Perusahaan
Infrastruktur
Perangkat Utama Data center
• Perangkat Jaringan : – Jaringan– Router– Switch-hub
• Media Penyimpanan – Email server– Webserver– Database server
• Perangkat Listrik dan AC– UPS– Panel Listrik– Grounding
Datacenter
Salah satu Disain Perangkat untuk Data center
Router
• Routing – adalah proses untuk memilih jalur (path) didalam suatu jaringan yang harus dilalui – Router : perangkat yang melakukan
proses routing• Pada umumnya skema routing
mempertimbangkan Jalur yang terpendek dan jalur alternatif jika terjadi permasalahan
• Jalur yang baik, tergantung pada :– Panjang data yang lewat– Beban jaringan– Pola trafik
Switch-Hub
Server
1. Server DNS (Domain Name Server)
2. Server email3. Server web4. Server database5. Server squid/proxy
Perangkat Listrik dan AC
1. Supply energy listrik2. Genset3. UPS4. Panel listrik5. AC6. Jaringan listrik dan grounding
• Integrated Services Digital Network (ISDN)
• What it is– Transmission over standard
telephone wires – Peak rate 128 kb/s– Available now
Perkembangan Telekomunikasi : ISDNPerkembangan Telekomunikasi : ISDN
ModemModem TerminalTerminalAdaptorAdaptor
ISDN ISDN LineLine
Perkembangan Telekomunikasi :Perkembangan Telekomunikasi : Cable
• What it is: Simultaneous transmission over cable TV coax facilities– Current technology - Cable modems @ Peak rate = 500 kb/s– Available now– Future technology: Digital TV + 10’s Mb/s
Perkembangan Telekomunikasi :Perkembangan Telekomunikasi : Satellite
• What it is: Satellite access
– Asymmetric – Requests are sent via modems– Responses sent via satellite at
400 kb/s– Available now
Perkembangan Telekomunikasi :Perkembangan Telekomunikasi : HDSL
• What it is– High-bit-rate digital subscriber line (HDSL)
– Peak rate ~10’s Mb/s
– Access over standard telephone copper wires
– In trials and limited deployment
Perkembangan Telekomunikasi :Perkembangan Telekomunikasi : Wireless
Local MultipointDistribution System (LMDS)
High Speed WirelessAccess for- Telephone- Video- Internet
Perkembangan Telekomunikasi :Perkembangan Telekomunikasi : Powerline Communications
• What is it:
– It is a data communication technology that operates over the electricity supply.
– Rates range up to 1 Mb/s
– In trials
– Future technology
Perkembangan Telekomunikasi :Perkembangan Telekomunikasi : Costs (Estimated as of 2/98)
A Choreography Provides a Model of the Event Flow Between Activities
Buyer Supplier(Self)
Order Entry
POAckPO
BTA1
OpA1
POAckPO
Manager
OpA2
Salesorder
Start
Wit1
POPO
Billing
Failure Success
[BusinessFailure] [Success]
Information quality
• Data is accurate• Data is consistent• Data is timely• Data is integrated• Data is complete• Data values follow the business rules• Data corresponds to valid values• Data is well understood
Enterprise Data Warehouse ArchitectureEnterprise Data Warehouse Architecture
Data ManagementData ManagementH/W ServerH/W Server
PlatformPlatform
App
licat
ions
App
licat
ions
Data Warehouse/ODS & BI Layers
Data Integration Layer & Operational Data Store (ODS): • ODS is a non queryable centralized staging areas for storing extracted, cleansing, and transformed data, and for gathering centralized metadata for implementing an Enterprise Data Mart Architecture (EDMA), eliminating the need for another non queryable staging area called data warehouse.
• Needed is a dimensionally modeled Data Warehouse for enterprise DSS, prepared to provide the best in query response performance and to support the most advanced OLAP functionalities.
Data dan Informasi
DataData
• type of data and Information
Data Represented byAlphanumeric Data Numbers, letters, and other charactersImage Data Graphic images or picturesAudio Data Sound, noise or tonesVideo Data Moving images or pictures
» Data name (entity, attribute, table, column, field, etc.)» Business description of data (Project Start Date)» Source of data (file, field)» Business Owner of data» Business rules » Transformation rules» Domains (allowable values)» Data relationships
Meta data components (continued)
» Data quality (measure of reliability)» Timeliness (ex: current as of certain date) » Historical information» Aggregation rules» Security (who has access)
» Contoh :
[nama, usia, berat badan] = (Budi, 25, 60)Sekarang jelas bahwa “Budi” adalah nama seseorang, “25”adalah usia, dan “60” adalah berat badan
Meta data management
• Meta data administration• Business meta data • Technical meta data • ETL reconciliation• Data quality metrics• Standardization• Data ownership• Enterprise integration
Meta Data = Meta Data = [Descriptive][Descriptive] Data About DataData About Data [of the Business][of the Business]