Download - Cisco Systems Wireless LANs and Enterprise Mobility

Cisco Systems

Wireless LANs and Enterprise Mobility

Agenda

• WLAN Market Trends

• Enterprise-wide deployment

•Customer WLAN Requirements

•Cisco Aironet WLAN solutions

•Cisco Aironet Network Services

• WLAN Building Blocks

• Road Map

• Deployment Examples

• Competitive Analysis

• Summary

The New Enterprise: MobilityVoice/Data Voice/Data

CollaborationCollaborationE-CommerceE-Commerce Unified Unified

MessagingMessagingE-E-

LearningLearningIP TelephonyIP TelephonyIntelligent Contact Intelligent Contact

ManagementManagement

Mobility

New Network ServicesNew Network ServicesAnytime, Anywhere Access Anytime, Anywhere Access

New Network Infrastructure RequirementsNew Network Infrastructure Requirements

Mobility Becoming a Requirement

• People on the move

Business travel

Nomadic sales force

7x24x365 availability

The “extended” Enterprise

• Anywhere access to services and business applications

• Plethora of mobile devices and technologies available

Notebooks, hand-helds, cell phones, pagers

The New Enterprise Network

Ne

two

rk R

eq

uir

em

en

ts

Internet Enabled Internet Enabled BusinessBusiness

Data, Voice & VideoData, Voice & Video• High AvailabilityHigh Availability• Quality of Quality of ServiceService

Networked Networked BusinessBusiness

Switched InfrastructureSwitched Infrastructure• Price/PerformancePrice/Performance• ManageabilityManageability

Web-based IntranetWeb-based Intranet• New business appsNew business apps• SecuritySecurity

EcommerceEcommerce• Distributed databaseDistributed database• Extranet, Supply ChainExtranet, Supply Chain

MobilityMobility• Wireless DevicesWireless Devices• VPNsVPNs

NetworkNetworkUbiquityUbiquity

Rich Portfolio of Mobile Applications

• Access to email and business applications

In meetings, at home, and on the road

Collaboration with customers and suppliers

• Mcommerce

Commerce via mobile devices

• Asset tracking

Keeping track of more devices in the enterprise

Traditional logistics and warehousing

• Shopping

“Scan and Shop”

Cisco’s Wireless Initiatives

Wireless LANWireless LAN

Wireless Local LoopWireless Local Loop

Point-Point/MultipointWireless

Point-Point/MultipointWireless

Mobile cellular voice/data

Communications

Mobile cellular voice/data

Communications

AironetAironet/Clarity

Aironet/Clarity Aironet/JetCell/GPRS

Agenda







• Road Map



• Summary

Comprehensive Wireless LAN Solutions for Large-scale Deployment

•Access Points•Bridges•Advanced Network Services

•Cisco NICs•Xircom Partnership•3rd Party 802.11 clients

RADIUS

•Centralized Cisco Access Control Server•Web-based Mgmt

Cisco Aironet 350/340 Series Wireless LAN Solution

• PC Card/PCI Client Adapters

• Access Points

• Line-of-Sight Bridge Products

• Antennas & Accessories

The Cisco Aironet 350/340 Series of 802.11b compliant high speed wireless solutions offers the best performance, manageability, scalability and security for both

in-building and building to building wireless applications

Cisco Aironet 350/340 Series Client Adapters

• Client access for both notebook and desktop systems

• Broad Operating Systems Support:

Windows 95, 98,

Windows NT 4.0

Windows 2000

Windows Millennium

Windows CE

Linux

MacOS

• Easy, simple installation

• Lifetime limited warranty

Security Requirements for WLANs

• First generationSSIDStatic 40 or 128-bit WEP

• Cisco differentiatorsCentralized user-based authentication (ACS2000 v2.6) integrated with network logonDynamic 128-bit WEPEncryption done in h/wVPNAccess Control Lists

• Future plansRogue AP detection3rd Party RADIUS server supportPolicy framework

“Wireless is like having an RJ45 in my parking lot.”

Reliability Requirements for WLANs

• Auto data-rate negotiation• Site survey and spectrum analysis

tools• Cisco differentiators

Radio power and qualityLoad balancing and hot standby redundancyBroad range of antennasPartners for site survey

• Future plansChannel agilityInterference management

“Sometimes it works; sometimes it doesn’t.”

Interoperability Requirements for WLANs

• Basic 802.11 interoperability via Wireless Ethernet Compatibility Alliance

WECA

• Vendor specific extensionsSecurityRoaming

• Most WLAN vendors offer client and infrastructure to guarantee single vendor solution

• Xircom partnership for client adapters and combo cards

“Different vendors’ products don’t work together.”

Management Requirements for WLANs

• Standard MIBs• Sniffer and 3rd party tools for analysis• Cisco Differentiators

CiscoWorks 2000 integrationCDP support & auto discoveryWeb-based Management

Common Enterprise security framework for wired and wirelessClient side utilities and profile management

• Future PlansIntegration with Cluster ManagementRadio spectrum ManagementPolicy-based security

“A whole new ball game for debugging and troubleshooting.”

Deployment Requirements for WLANs

• Site survey tools• Trained partners• Cisco differentiators

World Mode for auto localizationWide selection of antennasBroad client and OS support

• Future plansIn-line powerPlenum-rated Access PointXircom partnership for combo clients

“Design is site specific.”

Scalability Requirements for WLANs

• Cisco differentiatorsRobust roaming for seamless handoff between Access PointsCentralized user-based authenticationDynamic WEP key distribution and managementWireless Mobile IP SupportClient support for all popular operating systems

• Future PlansSeamless inter-subnet roaming

“How do I guarantee ubiquitous access?”

Performance Requirements for WLANs

• NICs under $200• Integrated chip sets for lower costs• 802.11b for 11 Mbps performance• Multiple channel support for higher

aggregate throughput• Ease of wireless integration with

switched 10/100 network• Future plans for high performance

22 Mbps with backward compatibility to 11 Mbps in the 2.4 GHz spectrumUp to 54 Mbps planned in the 5 GHz spectrum

“Too expensive and too slow.”

QoS Requirements for WLANsCisco differentiators

Support for Spectralink 802.11b phonesExtensive filtering capabilities End-to-end Differentiated Services

Future plansStandards efforts on QoS (PCF, DCF)Support for 802.1p/Q and spanning tree per VLAN802.11 IP phones integrated with Cisco Call ManagerInter-subnet roaming and mobile IP services

“Can I support critical applications?”

Agenda







• Road Map



• Summary

Cisco Aironet Network Services

• Scalable, Extensible Security

• Load Balancing and Redundancy

• WLAN Management

• WLAN Roaming

• QoS

Centralized User-Based Authentication

AuthenticatorAuthenticator(e.g. Access (e.g. Access

Point, Catalyst Point, Catalyst Switch)Switch)SupplicantSupplicant

Semi-Public Semi-Public Network /Network /Enterprise EdgeEnterprise Edge

AuthenticationAuthenticationServer such as Server such as ACS2000 v2.6ACS2000 v2.6

RADIUS

EAP Over Wireless/LAN

EAP Over Wireless/LAN

(EAPOW/EAPOL)

(EAPOW/EAPOL)

EAP Over

EAP Over

RADIUSRADIUS

Extended Enterprise(Branch Office, Home, etc.)

EnterpriseIntranet

Dynamic WEP Key Management

EAPOL-Start

EAP-Request/IdentityEAP-Response/Identity

EAP-Request

Radius-Access-Request

Radius-Access-Challenge

EAP-Response (credential) Radius-Access-Request

EAP-Success

Access blocked

Radius-Access-Accept

RADIUSEAPOW

802.11802.11 Associate

Access allowedEAPW-Key (WEP)

Laptop computer

RADIUS

Fast Ethernet

Additional Network Services: Load Balancing

• AP’s configured for load sharing use different RF channels in coverage area

• Policy based on number of users, bit error rate, or signal strength

Channel 1

Channel 6

Additional Network Services: Hot Standby

• AP’s co-located for hot standby use SAME RF channel in coverage area

• Standby AP acts as probe for monitoring and management

Active Standby

Channel X

Channel X

Powerful Diagnostics and Troubleshooting tools

• Web-based WLAN Management

• Support for Std MIBs CDP MIB, and 802.11 MIB

• Site-survey tools

• Client-side utilities

• Auto-localization and channel agility

• Integration with CiscoWorks 2000

WirelineInfrastructure

WLAN L2 Roaming Services

Internet

Roaming

Wireless QoS Services

Cisco differentiatorsSupport for Spectralink 802.11b phonesExtensive filtering capabilities End-to-end Differentiated Services

Future plansStandards efforts on QoS (PCF, DCF)Support for 802.1p/Q and spanning tree per VLAN802.11 IP phones integrated with Cisco Call ManagerInter-subnet roaming and mobile IP services

Agenda







• Road Map



• Summary

Cost-effective WLAN Building Block

•Up to 11 Mbps Peak Data Rate•Graceful Degradation based on distance and error rate•Support for 1, 2, 5.5 and 11 Mbps performance•Web-based Management•Lower total cost of ownership

Catalyst 3524 Series XL

3524-PWR

Channel X

Inline Power

WLAN Building Block for High Aggregation

•Up to 33 Mbps Peak Data Rate•Load Balancing and redundancy•Policy based on number of users, bit error rate, or signal strength•Web-based Management

•Very high aggregation with sectored antennas


3524-PWR

Inline Power

Channel 6 Channel 11

Channel 1

High Availability WLAN Building Block


3524-PWR


Channel 6 Channel 11

Hot Standby

•Up to 33 Mbps Peak Data Rate in coverage area•1 Hot Standby AP per channel•Tolerant to any single AP or link or switch failure•Web-based Management

Agenda







• Road Map



• Summary

2.4 GHz

1 & 2 Mbps

900 MHz

Proprietary

100 Mbps

WLAN Vision: Performance

IEEE 802.11a/b

Ratified

5 GHzRadio

Network

Speed 11Mbps

2.4 GHz

Higher performance

Backward compatibility

Multi-band options

1999 2000 2001

6-54 Mbps22 Mbps

Superset.11a Standard.11b Ext.802.11b Standard

2002

WLAN Vision: Client Options

• Ethernet Clients

Plug and play wireless

• USB

Cost effective NIC alternative

• Multi-function client devices

In partnership with Xircom

• Embedded wireless

OEM to laptop vendors

• Client Drivers/Services

Macintosh/Linux drivers

Automated country radio localization

Telecommuter Base Station

• 802.11 compliant

• Fully managed

• Simplified configuration

• Embedded Modem and Ethernet

Designed for the WLAN Telecommuter

WLAN Vision:Infrastructure Options

W/C

Cisco Access Point 925

In-line pwrcapable switch

Office applicationsSimplify and reduce

installations costsIn-line powerPower Injector

Warehouse (extreme applications)

Extended temperature100 mW Radio

AP Authentication and Rogue AP Detection

• Only IT installed/configured devices deliver infrastructure access

Authenticated clients learn trusted APs in area

• Untrusted APs are detected, reported and if possible isolated and shut down

• Investigating best way to control non-Cisco APs

Additional Network Services: Inter-subnet (L3) Roaming

Fast subnet roaming through Inter Access Point Protocol (IAPP)

Proxy Mobile Services (AP, Upstream switch/router)

Session maintained for critical applications (voice, video, etc .)

Coexists with DHCP and static addresses schemes

L2 Roaming Services

1.1.1.X

1.1.1.Y

L2 Roaming Services

1.1.1.X

1.1.1.Y

L3 Roaming Services

Proxy Client 1.1.1.X


L3 Roaming Services



EnterpriseIntranet

Agenda







• Road Map



• Summary

Site SurveryCoverage

Site SurveyChannel Mapping

Channel 1

Channel 6

Channel 11

Channel 1

Channel 6

Channel 11

Channel 11

Channel 1

Channel 6

Channel 11

Site SurveyBandwidth Layout

5.5 Mbps

11 Mbps

5.5 Mbps

11 Mbps

5.5 Mbps

11 Mbps

5.5 Mbps

11 Mbps

5.5 Mbps

11 Mbps

5.5 Mbps

11 Mbps

5.5 Mbps

11 Mbps

5.5 Mbps

11 Mbps

5.5 Mbps

11 Mbps

5.5 Mbps

11 Mbps

2 Mbps

2 Mbps 2 Mbps 2 Mbps 2 Mbps 2 Mbps

2 Mbps 2 Mbps 2 Mbps 2 Mbps

Warehouse DesignSample

Maximum CoverageAutorate Negotiation

Cabling Only Available at store frontYagi Antennas and DiPole

2000’

850’

1

6

11

1

6

11

Education DesignSample


Wireless for StudentsDiPole Antennas

Class 1 Class 3

Class 1

Hallway

2000’

850’

Class 4 Class 5 Class 5 Class 6 Class 7Class 2

Class 8 Class 10 Class 11 Class 12 Class 13Class 9

AP’s on Isolated LAN with PIX

1

1 6 11 1

6 11 1

Warehouse DesignSample


Cabling Only Available around store edgesPatch and DiPole Antennas

2000’

850’

1

6

11

1

1

6

Site-to-Site P2PDesign Sample

SiSi

SiSi

• Required Distance

•½ Mile

• Building A•Antenna 8.5 dBi Patch

•Antenna Height 13’

•Cable 20’

• Building B•Antenna 8.5 dBi Patch

•Antenna Height 13’

•Cable 50’

• Possible Distance•11 Mbps .81 Miles

•2 Mbps 2.57 Miles

Campus WLAN

Bldg 2

Bldg 3

Omni-directional antennaChannel 1

Channel 1

Main Office

<1 mile

<1 mile

Bldg 1

Channel 1

<1 mileSiSi

Local Area Network

School-to-School WLAN

School 1

School 2

Channel 6

Channel 1

District Office

SiSi

11 Mbps data rate up to 25 miles line of sight

Switch/Router

Local Area Network

11 Mbps data rate up to 25 miles line of sight

Building-to-BuildingInterference Considerations

Site 1A

Site 1B

Site 1C

Site 1D

Site 2B

Site 2A

Channel 1

Channel 1•Third Party inference from same channel usage

•Potential problem in congested areas

Agenda







• Road Map



• Summary

Competitive Analysis: SummaryFeature Cisco Lucent Symbol/3Com

340, WGB AP1000, AP500CostRadio Power 30mW 30mWCentralizedAuthentication

User-based.Integrated withnetwork logon

MAC based. Doesnot scale. Notintegrated withnetwork logon.

None. RequiresSS II Router.

WEP 40,128 bit 40,128 bit 40,128 bitWEPOverhead

2-3%Done in hardware

15-25%Done in software

15-25%Done in software

WEP KeyDistributionand Mgmt

Dynamic andhassle-free

Manual Manual

Web-basedMgmt

Yes. No clientside install.

No. Requiredclient side install

No. Requiresclient side install

QoS for .11Phones

SVP forSpectralink

Serial Console Yes No YesAd hoc mode Yes Yes NoRepeater Mode Yes. Up to 7 hops No NoProximitySetting

Dynamic Manual userconfiguration

Manual

Wi-Fi Yes Yes Yes

Agenda• WLAN Market Trends

• Customer WLAN Requirements


•Barriers Today

•Cisco solutions

• Cisco Aironet 340 Series

• Cisco Aironet Network Services


• Road Map



• Summary

Cisco Integrated Solution

Cisco delivers wired and wireless end-to-end solution for voice, video and data

Servers

Printer

Workstations IP Phone

Call Manager

Enterprise Branch SMBCisco 17xx/26xx/36xx

WAN AccessCluster ofSwitches

LANPBX

Servers

Printer

Workstations

Cluster of Switches

Cisco 7xxxWAN Aggregation

IP Phone

Call Manager

Catalyst 6500Campus Backbone

Enterprise Campus

VPN

Ethernet 10/100 Hubs 10/100 Switches 10/100/1000 WirelessSwitches Switches Access Points

Download - Cisco Systems Wireless LANs and Enterprise Mobility

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