technology development and innovation at cisco

Technology Development

& Innovation @ Cisco

Dave Zacks

Technical Solutions Architect

[email protected]

© 2012 Cisco and/or its affiliates. All rights reserved. 3 April24th,2012

AGENDA

Cisco’s Vision – The Network is the Platform

Aligning the Network – to the Business

Delivering Innovation – Hardware

Delivering Innovation – Software

Tying It All Together – Innovative Solutions

#CiscoPlusCA

© 2012 Cisco and/or its affiliates. All rights reserved. 4

“Cisco’s strategy is a story based on change – the market transitions that affect our customers. Through multiple transitions in the last decade and over the next 3 – 5 years, the network will evolve from the plumbing of the Internet – providing connectivity – to the platform that enables people to experience life.”

The Network is the Platform – Cisco’s Vision

John Chambers, Chairman and CEO, Cisco Systems

#CiscoPlusCA


The Network is the Platform – Cisco’s Vision

#CiscoPlusCA


The Network is the Platform – Evolving Needs

#CiscoPlusCA

Cu

sto

me

r R

eq

uir

em

en

ts

Data Connectivity

Secure Voice / Data Integration

Collaboration

Video Collaboration

Network Relevance

2000

2006

2004

2009

2012 +

IT as a Cost Centre IT as a Strategic Asset

The Network is the Platform

© 2012 Cisco and/or its affiliates. All rights reserved. 7 #CiscoPlusCA

Enterprise Megatrends

MOBILITY

BYOD CLOUD

SaaS | DC /V

IMMERSIVE COLLABORATION

Pervasive Video

IT EFFECTIVENESS, Service and Network Management

SECURITY, Accelerating Cyber-Threats

#CiscoPlusCA

COST CONTROL, TCO, Operational Efficiency $

The Network

– And What They Have in Common


Cisco – Architectural Alignment

#CiscoPlusCA

CLOUD

SaaS | DC / V

MOBILITY

BYOD

IMMERSIVE

COLLABORATION

Pervasive Video

Data Centre / Virtualization

Collaboration

Borderless Networks

DEVELOPMENT FOCUS, across Cisco


AGENDA






#CiscoPlusCA


Protect / Utilize Assets

Reduce Business Latency

Ensure Business Continuity

React to Business Shifts

Innovation Operational Excellence

Business Priorities

Information Technology (The Network)


#CiscoPlusCA


Evolving the Network – with the Business

Through 1995 …

Getting everyone’s desktop on the LAN

Rise of client-server business applications

Operational anarchy in practice

The Enterprise Network

Connectivity

#CiscoPlusCA



Basic Control

High Availability

“Wire” Speed

Connectivity

Through 2005 …

Traffic volume and bandwidth needs expanding

Increasing LAN uptime SLAs (Five 9’s!)

Rise of the Web – GUI, servers, E-Business applications

Operational hierarchy in practice

The Enterprise Network #CiscoPlusCA


The Enterprise Network


2012 and beyond …

Access anytime, anywhere … to anything

Full protection, compliance a must

No downtime – scheduled or unscheduled

Operational autonomics in practice

Application Intelligence

Unified Network

Non-Stop Comms

Integrated Security

Virtualization Ops

Mgmt

Basic Control

High Availability

“Wire” Speed

Connectivity

#CiscoPlusCA


TheNetworkisthePla orm

Applica onDelivery Applica onOrientedNetworking Manage

men

tServices

SecurityServices

IntegratedNetworkServices

UnifiedCommunica onsServices

MobilityServices ComputeServices

StorageServices Iden tyServices

NetworkInfrastructureVirtualiza on

SecurityProac veresponseThreatmi ga on

MobilityWiredandwireless

Iden tyIntelligenceinthenetwork

StorageReal- me eredservices

Compu ng

Unify,Simplify,Amplify

UnifiedCommunica on

RichMediaCollabora on

Storage

Security

Iden ty

UnifiedComms.

SecureMobility

Security+

Iden ty

Compu ng+

StorageCompu ng

IPNetwork

Mobility

– Supporting the Business

The Network is the Platform

#CiscoPlusCA


AGENDA






#CiscoPlusCA


Hardware Innovation – ASICs Cisco designs many custom ASICs (Application Specific Integrated Circuits) for products.

• ASICs are the “heart” of a platform – they are the base hardware that provides the necessary functionality and performance to meet today’s network requirements, and to scale to meet the network demands of tomorrow for performance, services, and flexibility.

• Designing ASICs is expensive and time-consuming – however, they provide the flexibility and performance required to address complex, demanding needs.

• Cisco’s core competency in ASICS and systems provides “vertical integration” – allowing our products to meet customer goals, and to provide unique and compelling solutions.

#CiscoPlusCA

Unique Solutions to address customer needs

Innovation in Services

Innovation in Software

Innovation in ASIC Hardware ASIC Technology


Switching Hardware Innovation – Nexus 7000

ASIC Technology

110Gbps 220Gbps 330Gbps 440Gbps 550Gbps per slot bandwidth

1 Crossbar Fabric ASIC


4

Crossbar Fabric ASIC

5

Crossbar Fabric ASIC


110Gbps/slot

110Gbps/slot

110Gbps/slot

110Gbps/slot

110Gbps/slot

Fabric Modules

#CiscoPlusCA

Optimized for the Data Centre Rich Services 10G / 40G / 100G Modules (M2 Series – 240G per slot, L2 / L3)

Rich Services 1G / 10G Modules (M1 Series – 46G / 80G per slot, L2 / L3) Unified Fabric

1G / 10G Modules (F2 Series – 480G per slot, L2 / L3, high density)


40 Gigabit Ethernet

Years of Innovation

Switching Hardware Innovation – Catalyst 6500

Supervisor-2T

Years of Innovation

40G optics FourX adapter

Services Modules

WiSM-2 (Wireless)

ASA-SM (Firewall)

NAM-3 (Net Analysis)

ACE-30 (SLB)

#CiscoPlusCA


Switching Hardware Innovation – Catalyst 3750-X

StackPower – Unique Cisco Innovation for PoE

• Adaptable “pool of power” available to all Catalyst 3750-X switch stack members

• Provides “Zero-footprint” RPS i.e. power supply redundancy without an RPS

• Intelligent power shedding – turn off low priority PoE end devices in the event of a power supply failure

#CiscoPlusCA

Industry- Leading

Innovation for PoE

✓ ✗ Stackable up to 9 units, 64Gbps stack interconnect

Unified Stacking, behaving as a single unit (L2 / L3)

Modular, redundant, replaceable uplinks (1G/10G), fans, power supplies

Industry-Leading Stackable Switch Platform

✓ ✓ ✓ ✓ ✓ ✓ ✓

StackWise Plus

Operates as a single switch (one CLI, one STP instance, one routing instance)

✗ ✗ ✗ ✗ ✗

✗ StackPower “pool”

Redundant

Fans

Redundant Power Supplies


Switching Hardware Innovation – Nexus 2200

Distributed High Density

Edge Switching System

+

Cisco Nexus® 2000 FEX

Cisco Nexus® 2000 FEX

Cisco Nexus® 7000

+

Cisco Nexus® 5500

Virtualized Switch

. . .

• Simplified Management Model –plug and play provisioning, centralized configuration

• Line Card Portability – (N2K supported with Multiple Parent Switches – N5K, N7K)

• Unified access for any server – (100M1GE10GE FCoE): Scalable Ethernet, HPC, unified fabric or virtualization deployment

Example Deployment –

Nexus 7000, Nexus 5500, and Nexus 2200 for ToR Access

N2224TP 24 Port 100/1000M Host Interfaces

2 x 10G Uplinks

N2232TM 32 Port 1/10GBASE-T Host Interfaces

8 x 10G Uplinks (Module)

N2148T 48 Port 1000M Host Interfaces

4 x 10G Uplinks

N2248TP 48 Port 100/1000M Host Interfaces

4 x 10G Uplinks

N2232PP 32 Port 1/10G FCoE Host Interfaces

8 x 10G Uplinks

FET-10G Cost Effective Fabric Extender

Transceiver

N2248TP-E 48 Port 100/1000M Host Interfaces

4 x 10G Uplinks 32MB Shared Buffer

B22HP 16 x 1/10G Host Interfaces

8 x 10G Uplinks

#CiscoPlusCA

© 2012 Cisco and/or its affiliates. All rights reserved. 21 Right Here in Kanata!

STANDALONE CONFIG (CRS-1 @ 320G, 640G, or 1.28Tbps) (CRS-3 @ 1.12T, 2.24T, or 4.48Tbps)

16/8/4 Linecard and PLIM slots

No Fabric chassis required

MULTI-CHASSIS CONFIG (CRS-1 @ 1.28T To 92Tbps) (CRS-3 @ 4.48T To 322Tbps)

• X (1 to 72) Line card chassis

• Y (1 to 8) fabric chassis

Taking 100G Ethernet – from CONCEPT …

to REALITY …

Routing Hardware Innovation – CRS-1 / CRS-3

Relentless expansion

of bandwidth, applications, mobility …

#CiscoPlusCA


Routing Hardware Innovation – QFP

Scale Over 1.3 Billion Transistors

Availability Customized QoS

Services Integrated and Programmable

Instant-on Service Delivery

Low Touch Deployment

Faster Qualification

Future Proof Technology

Performance 40Gbs+ Services

QFP – The World’s Most Advanced Piece of Networking Silicon

Cisco QuantumFlow

Processor

World Class

Engineers

>100

Development

Investment

5 Years

Patents

>40

Multi-Core (40) Packet Processor

Traffic Manager (BQS)

+

Cisco IOS-XE Software

+

#CiscoPlusCA


AGENDA






#CiscoPlusCA


Cisco IOS

IOS-XE

Software Innovation – IOS-XE Evolution to the Next Generation –

same look and feel as Cisco IOS

IOS runs as its own Linux process for control plane (Routing, SNMP, CLI etc) … 32-bit and 64-bit options

Linux kernel with multiple processes running in protected memory for –

Fault containment

Re-startability

In-Service Software Upgrades (ISSU)

ASR 1000 Platform … High Availability Innovations –

Zero-packet-loss RP Failover

<50ms ESP Failover

Software Redundancy

Kernel

Chassis Manager

Interface Manager

Forwarding Manager

IOS-XE (Standby)

IOS-XE (Active)

Control Messaging

Cisco ASR 1000 Platform

#CiscoPlusCA


Software Innovation – NX-OS

NX-OS

Integration of 3 fundamental technologies –

Layer 2 Bridging

Layer 3 Routing

SAN Switching (Storage)

Industry-Leading High Availability

Support for best-in-class Non-Disruptive ISSU

Fully Modular

Integrated Virtualization

Non-Stop Forwarding capabilities

A CLI which is IOS look & feel to maintain low learning curve

Targeted (in terms of features) primarily for the Data Centre

Storage

VSANs Zoning FCIP FSPF IVR

Layer-3 OSPF

BGP

EIGRP

GLBP

HSRP

VRRP

PIM SNMP

…

Layer-2 VLAN

STP

UDLD

CDP

802.1X IGMP

LACP CTS

…

Interface Management

Chassis Management

Kernel

Sysm

gr, P

SS &

MTS

SNM

P, X

ML,

CLI

Man

age

me

nt

Chip/Driver Infrastructure

Protocol Stack (IPv4 / IPv6 / L2)

Disabling a service:

• Releases system resources

• Removes associated CLI

• Removes associated configuration

Nexus(config)# no feature eigrp

Nexus(config)# no feature pim

Nexus(config)# no feature bgp

VDC 3

VDC 2

VDC 1

Layer 3 Protocols

OSPF

BGP

EIGRP

GLBP

HSRP

IGMP

PIM SNMP

…

VDC 1

Layer 2 Protocols

VLAN

PVLAN

UDLD

CDP

802.1X STP

LACP CTS

…

#CiscoPlusCA


AGENDA






#CiscoPlusCA


Traditional Campus Design

Solution Innovation – Virtual Switching System (VSS)

FHRP, STP, Asymmetric routing, Policy Management

Extensive routing topology, Routing

reconvergence

Single active uplink per VLAN (PVST), L2 reconvergence

Access

L2/L3 Distribution

L3 Core Traditional Design Virtual Switching System

Access

L2 / L3 Distribution

L3 Core

No FHRPs No Looped topology Policy Management

Reduced routing neighbors, Minimal L3 reconvergence

Multiple active uplinks per VLAN,

No STP convergence

Virtual Switching System-based Campus Design

#CiscoPlusCA

Resilient, Simple, Scalable


Solution Innovation – Link Encryption (802.1ae)

Cisco TrustSec Domain

MACsec Link Encryption

Identity Service Engine

1x, MAB, Web Auth

Problem – Physical access to network links are a real security vulnerability

Solution –

IEEE 802.1ae MACsec link encryption

Hop-by-Hop, wire rate, cryptographic confidentiality and integrity based on IEEE 802.1ae

cts manual SAP PMK 1234

cts manual SAP PMK 1234

Password

Password

Date of Birth

Credit Card #

01001011

011010100

11011011

11011011

#CiscoPlusCA

Enhanced Security, Network- Integrated


Solution Innovation – Easy Virtual Networks (EVN)

WAN Data

Centre

Internet Internet

Guest Access

Virtual Network

Actual Physical Infrastructure

Virtual Network

Isolated Service(s)

Virtual Network

Merged Company

Cisco EVN eases the deployment and management of Virtual Networks –

Automates VRF-Lite configuration

Simplifies device configuration

Eases troubleshooting tasks

Fully interoperable with MPLS VPN and VRF-Lite

Implemented in high-performance Campus switches and routers

Unique Cisco innovation – Patent 7,688,829

#CiscoPlusCA

Virtualized Network

Deployment

Enhanced Security,

Integrated & Simplified


L1 L2 L3 L4

S10 S20 S30 S40

S400: CE MAC Address Table

MAC IF

B 1/2

… …

MAC IF

B 1/2

A S100

“FabricPath brings Layer 3 routing benefits to flexible Layer 2 bridged Ethernet networks”

FabricPath

Easy Configuration Plug & Play Provisioning Flexibility

Switching

Multi-pathing (ECMP) Fast Convergence Highly Scalable

Routing

Solution Innovation – FabricPath

S400: FabricPath Routing Table

Switch IF

… …

S100 L1, L2, L3, L4

Switch ID space: Routing

decisions are made based on the FabricPath routing table

MAC address space: Switching based on MAC address tables

Classical Ethernet (CE) 1/1

A B

1/2

B

S100 S200 S300 S400

S100 400 A B

FabricPath

ROUTING SCALABILITY, SWITCHING SIMPLICITY #CiscoPlusCA

Extended Layer 2

Reach and Scale

Limits Spanning Tree

Scope and Impact


IP / MPLS WAN

Solution Innovation – OTV

OTV OTV

IP A IP B DC West

DC East

IP C

DC South

OTV

VLANs 100-109

VLANs 100-109

OTV allows for multi-point Layer 2 connectivity between DC sites,

without L2 loops or STP interaction

VLANs 100-109

Overlay Transport Virtualization (OTV) provides simplified, multi-point L2 bridging between multiple DC sites –

Extremely simple configuration

Optimized unicast and multicast traffic flows

Operates over IP transport between sites (does not require WAN MPLS transport)

Isolates Spanning Tree interaction between sites

Provides resiliency and fault tolerance

Unique and powerful Cisco solution – supported on Nexus 7000 and ASR 1000

#CiscoPlusCA

Simplified Multi-Point Data Centre Interconnect


Solution Innovation – HQoS QFP enabled

The ASR 1000 provides very powerful and flexible QoS capabilities – enabled in hardware via the QFP

Example – Hierarchical QoS (HQoS)

With HQoS, an interface can be shaped to a “sub-rate” value below the actual physical interface speed – Then, within that shaped bandwidth, multiple traffic classes can be defined and used … including priority queuing and per-application bandwidth controls on traffic classes

This is ideal for WAN circuits where the actual available WAN bandwidth is less than the WAN handoff interface speed

#CiscoPlusCA

Flexible, QoS, at

Hardware Speeds


Cisco Mobility Innovations

Capacity

Media Rich Applications

System Management

Pervasive

Self Healing and Optimizing

Mission Critical

Hotspot

“Nice to Have”

Solution Innovation – Wireless Mobility

Up to 30% Improved Performance

Better coverage for mobile devices compared to competitors

ClientLink

CleanAir Proactive and automatic interference mitigation

Self-Healing in 30 Seconds

Perfect 5.0 MOS Score for Video Reliable multicast, stream prioritization, resource reservation

Video Stream

What It Does …

AIRQUALITY PERFORMANCE

BEFOREWirelessInterferenceDecreases

ReliabilityandPerformance

PERFORMANCEAIRQUALITY

AFTERCleanAirMi gatesRFInterference

ImprovingReliabilityandPerformance

What It Is …

100

63

97

20

90 35

― Proac ve,always-onmonitoring

― Detailed,hardware-baseddatacollec oninASIC

― Wi-Fiandnon-Wi-Fiinterferencedetec on

― Interferenceimpactandloca onacrossen resystem

― Historicaltroubleshoo ngdata

Detect|Classify|Locate|Mi gate

Industry’sFirstChip-LevelProac veandAutoma cInterferenceProtec on

What It Is …

BEFOREBeamNotDirectedTowardsLegacy

A/GClientResul ngInLowerPerformance

WirelessClientPerformance

AFTERBeamDirectedTowardsClient

Resul ngInBe erPerformance

802.11a/g

802.11n

BeamStrengthX BeamForming802.11a/g

802.11n

AdvancedBeamFormingTechnologytoImproveClientDevicePerformance

What It Does …

BEFOREClient-linkDisabled

WirelessClientPerformance

AFTERClient-linkEnabled

LowerDataRates HigherDataRates

What It Is …

What It Does …

― Cannotdelivermul castvideooverRFatscale

― Videooverloadsnetworkanddegradesotherapplica onperformance

― Unableto

deliverbusiness-qualityvideo

VideoStreamingWithoutReliableMul cast

AP

WLC SWITCH

POORPERFORMANCE POORPERFORMANCE

AP AP AP

POORPERFORMANCE

StreamingVideoChallenges–RFLimita ons

― Mul casttoUnicastconversionatswitch

― CallAdmissionControlforclientsa achingtoAPs

― Queuepriori za onforvideosessions

POORPERFORMANCE

AP

GOODPERFORMANCE

AP

SWITCHWLC

AP AP

GOODPERFORMANCE

GOODPERFORMANCE

StreamingVideoSolu on–CiscoVideoStream

BEFORENoResourceReserva on,Degraded

VoiceandVideo,CannotDeliverMul cast

AFTERStreamPriori za on,ResourceReserva on,

ReliableMul castOverWireless

GlobalEnterprise

CEOMee ngM&A

Nego a onSportsEvent CEOMee ng

M&ANego a on

SportsEvent #CiscoPlusCA

Delivering Solutions for a Mobile Workforce


Solution Innovation – Canadian R&D

#CiscoPlusCA

Halifax:• DevelopedMastersinEngineering(Internetworking)atDalhousieUniv.

O awa:

• CRS,ASR9000&IOS-XRdevelopment• ASR1000Hardware&So waredevelopment• SPBroadband&WiFiEngineering

Toronto:• CiscoVideoscapeCMSdevelopmentviaExtendMedia

• DMNEngineering

Winnipeg:• Collabora onInnova on&ResearchCenteratUWinnipeg

Vancouver:• VideoEncodingtechnologiesviaSA



Solution Innovation – In Ottawa

#CiscoPlusCA

Key Facts • Established in 1998 with acquisition of Skystone and later Stratum One • Specializing in Next Generation Routing • 300+ Engineers working across the routing groups • $8B+ in equipment & SW shipped since 1998 • 55+ patents or patents pending

Technology Programs • C12k Line Cards & ASICs • CRS Line Cards and ASICs • IOS XR SW Features • IOS XE SW Features • L3 VPN • L2 VPN • BNG • Mobility • WiFi • NG Routing HW & SW

Development Activities • System Architecture • ASIC / Linecard design • Optical integration • Software Development • Software Test • System Test • Product Marketing • Standards leadership –

40GE, 100GE, and beyond

CRS-3

ASR 1000

ASR 9000



Solution Innovation – Videoscape … Strategy

Unified experience beyond TV

Universal Guide SP Customized UI and UX

Unified experience beyond Android &

Apple devices

Quality of Experience

QoE

Multi-screen, cloud services

Integrated & Consistent Experience

Infinite Content Sources

Managed & Unmanaged

Networks

Managed & Unmanaged

Devices

#CiscoPlusCA


Solution Innovation – Videoscape … Architecture

#CiscoPlusCA


Solution Innovation – VMS Engineering

#CiscoPlusCA

• Developmentlabestablishedin1996

• Specializingin:

• Digitalcontentmanagement

• Encryp onandEn tlement

• AssetWorkflow

• Next-genEPG

• Worldwidecustomerbaseincluding--AT&T,Verizon,Telstra,ONET,KoreaTelecom,Bell,etc.

• 24So wareEngineersinToronto(16developers,8QA)

• PerformanceandScalinglab

• AgileandTestDrivenDevelopmentMethodologies

• DevelopmentTechnologies:

• JavaEnterpriseEdi on6–Seam,jBPM,JSF,ESB,etc.

• JBoss5

• Oracle&SQLServer


Solution Innovation – DMN Engineering

#CiscoPlusCA

Key Facts

• Established in 1983 – Cisco’s oldest engineering site in continual operation • Specializing in broadcast video encoding, satellite receivers and control systems • 120+ Engineers working across the group • $1B+ in equipment shipped since 2001 • 40+ patents and 30+ patents pending • Cisco award winning development systems

Technology Programs

• Integrated Satellite Receivers and Decoders • 700,000+ receivers shipped since 2001

•Broadcast Video Encoders • 30,000+ encoders shipped since 2001

•PowerVu Network Control Systems • 40 % of the Primary Distribution market runs on PowerVu

Development Activities

• System Architecture • Chip/Board/Mechanical design • Embedded/System / Management software design • System verification

PowerVu Network Control System

D9854 Integrated Satellite Receiver Decoder

D9036 Modular Encoding Platform


Experience + Demo Centre Evergreen Brick Works Technology and innovation in historic Brownfield site

downtown Toronto; Centre for Green Cities

Solutions Centre Cisco Solutions and Innovation Lab Bringing eco-system of partners, customers, and influencers to co-create,

validate, and commercialize solutions for sustainable communities

Solution Innovation – Canada Innovation Centre

#CiscoPlusCA


Solution Innovation – CVD and SBA CVD = Cisco Validated Design

SBA = Smart Business Architecture

Systems and solutions that are – - designed - tested - and documented

to facilitate and improve customer deployments

CVD and SBA testing and documentation incorporate a wide range of technologies and products into a complete tested solution that have been developed to address customer business needs –

Design Guides

System Assurance Guides

Application Deployment Guides #CiscoPlusCA


The Issues of a Fragmented Approach

Integration shifts from equipment vendor to network operator

Lowest common feature support

New features and services slower and more costly to roll out

Less reliable, lower performance, and poor support

Français

Deutsche

Pусский

Greater management overhead

Good Trade!

Feature X!

High Speed!

Low Price!

#CiscoPlusCA


Cisco – The Value of the Architecture

Value-Add Integration Features

Architectural Leadership

WLAN

Wireless Innovations

Management

Enhanced Visibility

IP Comm

Network-Enabled Provisioning

Switching Routing

Baseline Features

Industry Compliance

802.1p/q 802.1s 802.3af PIM IGMP

SNMP RMON I / II TFTP MIB I / II

802.11 a/b/g/n 802.3af

ACLs SSH / SSL 802.1x QoS

Security

Self-Defending Network

Industry Leadership

Unique Supporting Features

NSF / SSO Integrated Security

CDP Aux VLAN IBNS

#CiscoPlusCA

Mobility

End-to-End

Deliverable by Cisco


Cisco – Supporting and Driving Standards

VRRP 802.3af

DLSw 802.1q

LLDP

IPFix MPLS

802.1s

802.3ad

Cisco employees chair over 20 IETF working groups and are on IEEE committees Cisco – Contributing to Standards

RSRB HSRP

Inline Power

CDP

ISL

NetFlow

Tag Switching

MISTP

EtherChannel

IOS SLA

DAI, DHCP Snooping

StackWise

ISSU

GOLD

EEM

More ...

IOS- XE

1990 1995 2005 2000

Cisco – Technology Innovator

$5 billion+ R&D investment annually

16,000+ engineers in 10 global labs

Over 100 companies acquired

More than 8,600 patents – 900+ in 2011 alone

#CiscoPlusCA


Cisco – Moving Networking Forward

#CiscoPlusCA

Over$5billionofannualR&Dinvestmenttodevelopnewproducts

Morethan16,000developmentengineersworkinginlabsworldwide

ArchitecturalExper se–SmartBusinessArchitectureandCiscoValidatedDesigns

IntegratedPla orms

Innovator

Broad-basedSolu ons

Best-of-BreedSupport


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technology development and innovation at cisco

Technology

cisco andor

enterprise network

network security

network management

cisco systems

video collaborationthe

business business priorities

cost centre network