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Software-Defined WAN - A Primer

Software-Defined
WAN

A Primer

Software-Defined WAN, A Primer

Digital Disruption
Is Constant

Innovation Rules

No one industry is immune. 40% of incumbents are at risk of being displaced in the next 5 years.1

Book stats graph

852%

Revenue Growth
2005-2014

Brick and Mortar > Online
Book stats graph

200 Cities

45 Countries

Taxi > E-hailing (Uber, Lyft)
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40 Million

Subscribers

CD > Download, Streaming
Book stats graph

$30B

in Transactions in 2014

Transactional > Actionable Insights
Book stats graph

31%

of Digital Ad Revenue Worldwide

Print > Digital

78% of Executives State That Achieving Digital Transformation Is Critical to Staying Competitive.2

Disrupt icon

To transform, businesses use IT to DISRUPT.

Innovate icon

To disrupt, IT relies on the network as the platform to INNOVATE.

Digitize icon

To innovate, the network needs a next-generation architecture to DIGITIZE.

Sources:

  1. Digital Vortex: How Digital Disruption Is Redefining Industries. Global Center for Digital Business Transformation, 2015.
  2. Capgemini Consulting & MIT Sloan Management Review, 2013.

Digital Transformation Challenges

Challenges Challenges

Current State of the Network

Dispersed Geography icon

Dispersed
Geography

Organizations continue to spread out from large, centralized locations to multiple smaller, distributed locations.1

Application Proliferation icon

Applications
Proliferation

56% of organizations currently deploy some application delivery optimization tools to deal with bandwidth growth and streaming videos.1

Continued Device Explosion icon

Continued Device
Explosion

By 2019, there will be 24 billion networked devices and connections, up from 14 billion in 2014.2

Bandwith icon

More Bandwidth
Required

Business IP traffic will grow at 20% CAGR from 2014 to 2019.2

Mobility icon

Mobility

80% of customer-facing employees are served at the branch.3

90% of Enterprise Revenue Is Attained at Branches.3

Branches Are the Focal Point. The WAN Is the Branch’s Foundation.

Yet 60% of WAN Budgets Are Flat or Down for Most IT Departments.1

Sources:

  1. WAN Key Trends, Nemertes Research 2015. DN4391.
  2. State of the WAN Report, 2015. Webtorials.
  3. US Census Bureau of the U.S. Department of Commerce, 2015.

Adopting SD-WAN

One approach to solving such complexity is SD-WAN. However,
SD-WAN is just another phase in the evolution of the WAN.

WAN
routing
WAN path
control
Hybrid
WAN
s-d-whanSD-WAN is a concept of using a controller and open APIs to automate and orchestrate, as a system, the network from a centralized control point.
SD-WAN
The Next
Big Thing
WAN
routing
WAN
path
control

YESTERDAY

Hybrid
WAN
SD-WAN

TODAY

What is the next
Big Thing?

FUTURE

WAN Evolution

SD-WAN addresses some facets of today’s IT challenges: simplicity, openness, and agility.

Why Adopt SD-WAN?

IT Capabilities

  • Increase flexibility1
  • Simplify IT operations1
  • Achieve rapid, elastic deployments1
Linking scheme

Business Outcomes

  • Cost reduction
  • Business agility
  • Faster time to market

What’s Holding Back SD-WAN Adoption?

  • Immature Products

    Immature products/solutions1

  • Unproven Implementation

    Unproven implementation1

  • Lack of ROI

    Lack of ROI

  • Lack of mainstream deployements

    Lack of mainstream deployments

  • Lack of partner support and solutions

    Lack of partner support and solutions

  • Weak security

    Weak security

SD-WAN Is One Approach to Solving Today's WAN Challenges

Simple

Automated tools to simplify IT operations

Open

Extensible and interoperable interfaces for customization

Agile

Policy-based system automation

However, SD-WAN is not an architecture.

To digitally transform, enterprises need a
next-generation architecture.

Cisco Intelligent WAN (IWAN) = That Next-Generation Architecture

Technology Transitions That Fuel Digitalization
dij-i-tahy-zā-shən
A vortex of changes that aims to:
  • Simplify business operations, security policies, and processes
  • Orchestrate and accelerate the simplified business through technology automation
  • Gain insightful analytics that lead to best and faster decisions

Mobility

Internet of
Things

Cloud/Video
Applications

Software-Defined
Infrastructure

Intelligent WAN

  • Simple
  • Agile
  • Open
  • Secure
  • Proven
  • Supported

Digitize with speed and peace of mind. Intelligent WAN enables IT to achieve proven business outcomes.

  • Workforce
    Experience
  • Customer
    Experience
  • Security &
    Compliance
  • IT
    Transformation

IWAN Has the Key Technology Pillars to Enable Digital Transformation.

Openness &
Automation

Policy-based system management: WAN, access, data center

IWAN app with APIC-EM, Cisco Prime™ Infrastructure, Cisco Meraki®, Glue Networks, LiveAction

Network
Innovations

Broadest scalable HW and SW portfolio and flexible deployment models

Routers, switches, security, unified communications and collaboration for branch, campus, and data center

Integrated Threat
Defense

End-to-end security: At the perimeter, endpoint devices, and in the cloud

Web, cloud, zone-based firewall, intrusion prevention and detection systems

Application
Experience

Intelligent path control with application visibility and optimization

Application Visibility and Control, NBAR2, PfRv3, WAAS, Akamai (SaaS)

Proven
Implementation

Market leadership, broad partner ecosystem and services with 24x7 global support

SP (IWAN as a service), enterprises, small and midsize businesses

Cisco ONE Software(license portability)

Investment Protection | Scale-as-You-Grow Model

  • Workforce
    Experience
  • Customer
    Experience
  • Security &
    Compliance
  • IT
    Transformation

Source:

  1. State of the WAN Report, 2015. Webtorials.

Enabling Business Outcomes: Workforce Experience

Business Capabilities

  • Anytime, anywhere workforce with pervasive, secure connectivity
  • Bring-your-own X (device or application)
  • Context- and role-based experience

IT Capabilities

  • Simplify universal and secure access
  • Gain visibility into devices and applications
  • Optimize performance for cloud applications

Enabling Business Outcomes: Customer Experience

Business Capabilities

  • Enhance customer service and loyalty
  • Provide an omni-channel experience: Interactive physical and virtual customer experience
  • Gain analytics that help optimize business processes

IT Capabilities

  • Provide a rich, connected mobile experience to customers
  • Connect customer-facing employees anytime and anywhere
  • Simplify the dynamic nature of mobility and Internet of Things (IoT)

Enabling Business Outcomes: Security and Compliance

Business Capabilities

  • Local and global compliance
  • Data privacy protection
  • Business continuity

IT Capabilities

  • Use network security capabilities with no added complexity
  • Combine advanced malware protection and traditional security
  • Learn from real-world security breaches

Enabling Business Outcomes: IT Transformation

Business Capabilities

  • Accelerated time to market
  • Real-time, localized business change management

IT Capabilities

  • Provision at the speed of the digital business
  • Minimize manual and box-centric operations via automation
  • Limit and control the scope of policy changes

When evaluating a network architecture to fuel your digital transformation, use the following requirements checklist to guide your SD-WAN assessment.

Requirements Checklist for Vendor Evaluation

Ask your vendors:

  • Do you have any evidence demonstrating the ROI of your solution?
  • Can you migrate seamlessly to an SD-WAN infrastructure?
  • How will your solution integrate with non-SD-WAN infrastructure?
  • What capabilities do you have to support a hands-on pilot or testing in my existing legacy or hybrid WAN environment?
  • Do you have validated and certified security offerings (FIPS 140-2, CC, or Suite-B)?
  • What new skill sets and hardware or software resources are needed to deploy and support your solution?
  • WAN is a long-term investment. What is the scope and scale of your support model? And the maturity of your solution and your company’s longevity?
  • How open is your solution?
  • How broad is your partner ecosystem?

Requirements for Technology Assessment

Architecture

  • What is the minimum and maximum number of branches supported by the vendor’s solution?
  • How is the interoperability between SD-WAN and non-SD-WAN environments?
  • What is the solution’s platform, for example, physical or virtual, appliance or software?
  • Which native Layer 3 to Layer 7 network services are offered or integrated with?

Management

  • To what extent does the solution support northbound API for third-party management or control applications?

Deployment

  • Which platforms can the branch component be delivered on, for example, physical or virtual, appliance or software?
  • Does the solution support legacy WAN interfaces, such as T1, E1, DS3, and other transport types, such as LTE?

Security

  • How is direct Internet access (DIA) supported, and which security services does the solution offer or integrate with?

For more information, visit
www.cisco.com/go/sdwan.

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