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Copyright 2004 Juniper Networks, Inc. Proprietary and Confidential www.juniper.net 1

Building the ThinBranch

Trevor Dearing

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Current deployment trends

Branch or remote office

2003 85% of employees in Branch2005 91% of employees in BranchNemertes Research

2005 62% of companies have mobile workersIDC

Home

Application deployment

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Current deployment trends

2003 85% of employees in Branch2005 91% of employees in BranchNemertes Research

2005 62% of companies have mobile workersIDC

Home

ResourcesSoftware ClientsE-mailStorage

Branch or remote office

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Branch Variation

Regionalbranch Private MPLS

network

Thin Branch Managednetwork

Micro Branch

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HQ PBX

PSTN

Centrex

Key system

Traditional islands of voice

Micro Branch

Thin Branch

Regionalbranch Private MPLS

network

Managednetwork

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Corporate wide IP Telephony

Micro Branch

Thin Branch

Regionalbranch Private MPLS

network

Managednetwork

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The Traditional Branch

ATM

Facilities costs

Support costs Support costs

Support costs

Support costs

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Building the Thin Branch

Branch Offices

Datacentre

Implement web based applications

Deploy centralised IP Telephony

Consolidate e-mail servers

Reduced equipment costs

Reduced support costs

Reduced power consumption

Extra flexibility

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If it were only that simple!

Branch Offices

Datacentre

Adding extra protocols

HTTP web traffic generates 10x traffic of client server

E-mail and server centralisation generate latency issues

IP Telephony signalling creates extra traffic

Voice requires low latency

New security challenges

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Portfolio

BudgetaryPressure

Consolidation

Pain

Regulation/ComplianceChanging attitudeto risk

Project

Product

ApplicationRollout

Fixing WhatWas Broken

Last time

RecentBreach

New UserConstituencies

DemandingApplications

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Agents of CatastropheBad People

Careless People

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Attitudes to Risk and the Good-EnoughGap

Investment in Security

Levelof

Security

Good-enough Gap

Actually Inadequate

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Data Center

Its All About Applications

Branch 1

Branch 2

HQ

Web-enabled =10x bandwidth

Bandwidth

Server consolidation

New apps

App performance

Data replication

QoSVoIP

http://www.sap.com/index.aspx

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Impact on applications

The WAN Impacts Applications

More rich content

Protocol chattiness Inability to understandapplication and WAN performance

Lower-priority applicationsslow down critical ones

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Bandwidth

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Latency

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WAN

File Services The Challenge

CIFS transfers files in small data chunks,needs an ACK for each

Creates the ping-pong effect

WindowsClients

WindowsServer

ackack

ackack

ack

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Solution

WAN

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WAN

File Services with applicationacceleration

Devices pipeline files across the WAN Files are then served to the

client at LAN speeds

WindowsClients

WindowsServer

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Visibility & Reporting

Network Operations Center/Customer Care/Help Desk

ApplicationManager

NetworkManager

Customer Viewinto Service Levels

CapacityPlanner

BusinessExecutive

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Branch traffic processing

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Speed response time & reduce Latency

5x to 10x average 50x peak (Exchange, file services)

Ensure application delivery Provide full visibility

Increase WAN bandwidth

MPLS, QoS, bandwidthallocation,Multipath

2x to 4x average compression 20x peak compression

Reporting on apps, WAN,FW

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