overview sistem terdistribusi - universitas sriwijaya · pstn distributed network architecture •...

Overview

SistemSistem TerdistribusiTerdistribusi

Deris StiawanFakultas Ilmu Komputer, UNSRI

Pendahuluan

• Perubahan “paradigma” global tentang IT, daritools menjadi senjata utama

• New approach technology benefit business– Telecommuters – Teleconferences– Unified Communications– E-learning– E-commerce– …

• Perkembangan Perusahaan business– Banyaknya kantor cabang– Tersebar secara geografis– Sensitif dengan profit, cash flow dan productivity– Productivity, Profits, Differentiations

Architectural Approach

• Maximize network resiliency• Reduce operational costs• Rapid deployment• Return on investment

Bisnis “Resilience”

• Platform availability —Ensures application uptime

• Network system design—Enables resilience and fast failover

• Distributed network architecture —Provides redundancy for recovery from any source of failure

• Mobility, security, and quality of service —Delivers network-wide intelligentservices

Net Impact

Network Resilience

Communication Resilience

Application Resilience

7

Data CenterData Center

CoreCore

DistributionDistribution

AccessAccess

PartnersPartners

Internet Data CenterInternet Data Center

Remote OfficesRemote Offices

Enterprise Network Design

Storage NetworkStorage Network

WAN EdgeWAN Edge

VPN/AccessVPN/Access

Optical MANBackup Data Center

Backup Data Center

Mobile OfficesMobile Offices

Internet

WAN

PSTN

8

Data CenterData Center

CoreCore

DistributionDistribution

AccessAccess

PartnersPartners

Mobile OfficesMobile Offices

VPN/AccessVPN/Access

Internet

PSTN

Distributed Network Architecture

• Continuous connectivity for partners• Multiple service providers and high-

availability offerings (SLAs)• Scalable Cisco IOS protocols

(IP, Frame Relay, ATM)

Internet Data CenterInternet Data Center

9

Network System Design Supports Mobility and Telecommuting

HeadquartersHeadquarters

VPN Access

At Home• Telecommuting• Home office

Mobile Office/TelecommuterMobile Office/Telecommuter

Conference Room

At Work• Conference rooms• Cafeteria• Temporary cubicle

On the Road• Hotels• Airports• Convention centersPSTN

IP WANInternet

AirportAirport

Branch Office Branch Office

Enterprise Data Center Enterprise

Data Center

Local DNS Local DNS ServerServer

Origin Web Origin Web ServersServers

Branch Office Branch Office

2600/7000

2600/70002600/7000

OSR/GSR

Content SwitchContent Router

Content Engine

4000/6500

Content Distribution Manager

EnterpriseBackboneEnterpriseBackbone

Branch Office Branch Office

Branch Office Branch Office

CDM

Content Networking

Wireless OpportunityData and Telephony

• Mobility• Affordability• Availability

IEEE 802.11b CY01 802.11a CY 03

Wireless COMPLEMENTS Wired Ethernet Wireless COMPLEMENTS Wired Ethernet

The Opportunity

InnovationArchitecture

Payback• Champion Change

• Plan• Engage• Evaluate

• Productivity• Competitive Agility• Customer Loyalty