1. What is SD-WAN and why do you need it?

What is SD-WAN?

According to research from IDC, SD-WAN (Software-Defined Wide Area Networking) is one of the fastest-growing segments of the network infrastructure market, poised to reach $5.25 Billion in 2023.

Changing the way global networks are architected, SD-WAN enables increased visibility and control of applications across the network while delivering a better user experience and improved operational efficiencies.

It does this by securely connecting users, branches and sites to any application, whether hosted in the data center or the cloud, across any WAN transport service, including broadband internet services. This brings application awareness and application control to the network.

Leveraging technology to make use of all hybrid connections available on the WAN at any one time, SD-WAN constantly monitors them to automatically choose the best possible path available for the type of traffic crossing the network, and the business priorities set.

Those connections can include redundant backup lines, which can prove to be very expensive. And then there’s enterprise-grade internet, which organizations can now start to leverage, sometimes at a more cost-effective rate than MPLS (Multiprotocol Label Switching). This approach makes the network much more flexible, allowing it to live and breathe, reacting to network conditions in real-time without a network team member’s intervention

SD-WAN Characteristics

Research firm Gartner has defined an SD-WAN as having four required characteristics:

  1. The ability to support multiple connection types (transports), such as MPLS VPN, DIA/DSL Internet, LTE/4G, wireless communications.
  2. The ability to do dynamic path selection, for load sharing and resiliency purposes.
  3. A simple interface that is easy to configure and manage.
  4. The ability to support VPNs, and third-party services such as WAN optimization controllers, firewalls and web gateways.

SD-WAN (Software-Defined Wide Area Networking) is one of the fastest-growing segments of the network infrastructure market, poised to reach $5.25 Billion in 2023.

IDC

SD-WAN Benefits

  • Greater network agility, scalability, visibility and resiliency
  • Improved network performance
  • Better user experience
  • Reduced costs
  • Shorter site set-up lead times
  • Reduced supplier complexity
  • Simplified network assets
  • Streamlined management processes
  • Enhanced security

SD-WAN Business Drivers

  • Digital transformation
  • New critical applications
  • Cloud
  • WAN upgrades
  • Global office expansion
  • Mergers and acquisitions
  • Remote working
  • Router replacement

Why is SD-WAN important right now?

The COVID-19 crisis has brought about transformative change in the way we do business. According to research by McKinsey & Company, the overnight shift to remote working forced organizations to accelerate the adoption of digital technologies by as much as seven years, all within just a few months.

With post-pandemic recovery now in sight, our research suggests that the changes made are very much here to stay and that organizations are now moving swiftly towards the ‘new normal’ of the hybrid, Work From Anywhere (WFA) environment, which will see a new blend of remote and on-site working.

While this model promises increased productivity, greater access to talent, reduced costs, and better employee experiences, it reinforces the urgency for organizations to continue to accelerate their digital transformation initiatives.

The question, however, is how can businesses scope, scale, and lead digital transformation to long-term growth and profitability?

The Importance of Network Transformation

A key consideration in digital transformation, and the move to a WFA model, is the network, notably the WAN Edge. This is where employees, customers, cloud applications, and IoT devices connect to the business.

However, traditional enterprise networks often fall short and struggle with the pace of change. Cloud adoption, in particular, is one of the most vital aspects of all digital transformation journeys; however, modern cloud applications do not integrate well with traditional WAN infrastructure. This often means that critical applications underperform.

Digital transformation and the WFA environment depend on agile, dynamic, reliable, and secure networks to deliver policy at the point of need. And legacy networks are simply not fit for purpose. In fact, they are now considered to be one of the key barriers to digital innovation.

As companies evolve to embrace digital transformation, so too must their networks evolve. This is where SD-WAN comes into play and why it’s so important right now.

While SD-WAN provides a wealth of benefits, there are numerous risks involved and mistakes that are made time and time again when it comes to transition.

The need to move to a WFA infrastructure model has pushed digital transformation to the very top of the IT agenda. Organizations mustn’t rest on their laurels; they need to take transformative action now, and that involves taking transformative action with their networks.

Only then can digital transformation truly begin.

The COVID-19 pandemic has speeded the adoption of digital technologies by several years.

McKinsey & Company

Common SD-WAN Myths

 

SD-WAN Killed WAN Optimization

Many organizations ask, is SD-WAN a replacement for WAN Optimization? The answer is no: WAN Optimization and SD-WAN are complementary technologies, and successful organizations are leveraging the power of both, along with SaaS Optimization, to achieve far more significant performance benefits than each could achieve individually.

SD-WAN replaces VPN

If an organization is relatively small and only requires connection to a limited number of sites, VPN is often a good option. However, for fast-growing businesses embracing digital transformation, where scalability, reliability, and performance are of utmost importance, SD-WAN is the more effective option.

SD-WAN replaces MPLS

In comparison to MPLS, SD-WAN can allow businesses to take advantage of lower cost connectivity options, while guaranteeing the same level of service. However, SD-WAN does not offer the same security level as MPLS, so it must include integrated security. While deploying an SD-WAN solution can eliminate the need for MPLS, it does depend on the organization’s circumstances, and the required business outcomes must be fully explored

SD-WAN, SASE & Security

From a security perspective, today’s WFA model has shifted the focal point to the identity of the user and/or device rather than the data center. SD-WAN security is largely based on the use of IP security (IPsec), next-generation firewalls (NGFWs), VPN tunnels, and the microsegmentation of application traffic.

SD-WAN primarily focuses on security for location static, office-based workers, and doesn’t include the security or access controls needed to protect networks within a cloud environment. That said, it can be enhanced for remote workers by the relatively new architectural concept of Secure Access Service Edge (SASE).

SASE lays the foundation for SD-WAN and is a convergence of many security and networking technologies into a unified service that accounts for both security and connectivity at every edge of your network.

With SD-WAN being an element of the SASE framework, it unites SD-WAN and security functions, such as Secure Web Gateway (SWG), Cloud Access Security Brokers (CASB), Firewall as a Service (FWaaS), and Zero Trust Network Access (ZTNA), into a unified, cloud-native service.

This provides the security and access control levels that digital organizations need, delivering immediate, uninterrupted access for users, no matter where they’re located.

By combining security with SD-WAN and other networking infrastructure into a policy-based, cloud native platform, SASE simplifies complexity and management. The SASE framework combines many vendors to create an architectural approach which aids centralized network visibility.

This allows companies to easily identify users, devices, and endpoints, apply their networking access and security policies, and securely connect users to their applications and data in a cloud or mobile environment, all while ensuring multi-branch and multi-cloud network security.

Successful organizations are approaching SASE as a roadmap exercise and are defining their path over multiple years as one converged networking and security team. In uniting networking and security teams behind one goal, organizations can achieve improved performance, reduced operational complexity, and an enhanced security posture.

To realize the full promise of the cloud and digital transformation, organizations need to transform both their WAN and security architectures. And it’s not a case of selecting either SASE or SD-WAN, but rather understanding that SD-WAN is part of the SASE framework.

“Our overarching goal is to provide the best user experience. Before working with Teneo, very often our team would have to wait up to 55 minutes for a report, which was of course significantly impacting productivity. By adopting Teneo’s  SD-WAN Managed Service, we’ve increased productivity and have saved both time and money.”

Bhavin Patel, Head of IT Infrastructure, Plan International

2. The most common barriers to SD-WAN success

How to avoid SD-WAN project delay

Although many organizations acknowledge the benefits of SD-WAN as an enabler of digital transformation, and the move to a WFA infrastructure model, very often progress can be delayed.

This delay is often borne from the fear of project failure. And it’s not surprising when you consider that, according to Forbes, an eye-watering 84% of digital transformation projects fail.

With this stark statistic in mind, it’s clear that organizations need to get their digital transformation projects right, first time.

However, due to the fear of project failure, many organizations evaluating or moving to SD-WAN are typically sat at one of four stages:

Wait and see – taking this approach is, of course, not a good option. SD-WAN is now mature enough for organizations to adopt and see fast benefits. Companies that don’t put digital transformation and network transformation at the top of their agenda could risk being left behind.

Evaluation – at this stage, organizations are weighing up the timelines and planning required. It can often take 6 months to carry out an SD-WAN POC (Proof of Concept) and another 3 months to create the business justification. Add on another 3 months to have a business case approved and before you know it, you’re a year down the line. Companies need to move quickly through this stage to ensure they don’t end up in analysis paralysis.

Transition – organizations actively trying to deploy SD-WAN technology often get stuck at this stage. They may think they’re halfway there, but there are still issues and challenges to overcome.

Evolution – those with SD-WAN already deployed will at some point re-evaluate their needs, only to find restrictions in their chosen solution and so must prepare themselves to explore an evolved market as they embark on round 2.

Top 3 barriers to SD-WAN and how to avoid them

Regardless of which stage a company sits at in the continuum of SD-WAN adoption, there’s a pressing need to move ahead. To do that, organizations need to carefully consider the biggest risks and what common mistakes they need to avoid.

These typically fall under three key categories:

  1. People
  2. Processes
  3. Technology

Barrier 1: People

Lack of experience or headcount

Most IT teams acknowledge that they need more people resources and skills to roll out new digital transformation projects successfully. Even if companies do have the internal expertise, they often struggle with headcount: people simply don’t have enough capacity.

While hiring new talent is an option, it can be expensive and time-consuming. What’s more, it can also be difficult to hire good talent due to shortages in the job market. That’s not to mention the time it takes to onboard and train a new employee.

Design and development of critical network technology with no in-house experience is risky

Designing and deploying an SD-WAN solution internally without experience can be risky. It involves working with live networks, after all, and many teams aren’t used to focusing on business processes and application and user priorities. That said, most of the companies we speak to say that they get the most training from hands-on work.

With this in mind, it’s clear that finding the right support is critical. However, on the partner side, many providers don’t have the expertise, experience, or resources either. Many providers actually subcontract out SD-WAN work, because frankly, it isn’t at the core of what they do.

Staff thrive on learning new technology to excel in their careers

Internal teams often thrive on learning new technologies and rely on that knowledge to excel in their careers. Without this professional development, they could become demotivated.

Internal teams should be given the opportunity to learn and gain hands-on experience with design and deployment, but in a way that minimizes risk and unnecessary workload.

65% of CIOs said skills shortages were preventing them from keeping up with the pace of change

Harvey Nash / KPMG

Barrier 2: Broken Process

More than 50% of projects go over timeline or budget

Broken process often leads to organizations going over project timelines and budget, which is often due to inexperience. Further, most IT teams become so focused on delivering projects on-time and on-budget that they lose focus on aligning project outcomes with business goals, to ensure they derive true business value.

Alignment of vision and business goals

Although many networking, infrastructure, and security teams have ambitions to redesign their WAN infrastructure, disparate teams often struggle to align a collective vision for SD-WAN with business objectives and technical requirements.

Defining a SASE architecture to support SD-WAN security, for instance, requires networking and security teams to work very closely together.

However, a lack of in-house SD-WAN experience, over-stretched teams, and poor communications often result in the missed opportunity to fully explore options as a team. And this often leads to tension.

The consequences are a lack of stakeholder alignment, misunderstandings, and isolated decision-making. This ultimately leads to project back-tracking, overruns, and unrealized business benefits.

The desire for ‘plug and play’ processes for design, deployment, and ongoing management

Many IT teams expect a plug-and-play process for design, deployment, and ongoing management. Skipping the design process, they expect solutions to work ‘out-of-the-box’ and provide them with the tools to proactively and effectively manage their infrastructure. But design and deployment need to be scoped out fully before roll out to ensure minimum disruption to the business.

More than 50% of IT projects go over timeline or budget because of failures in process.

CIO

Barrier 3: Technology fit

Wrong technology

Very often, organizations buy technology that is not fit for purpose. This could be for a whole host of reasons, such as failure to approach SD-WAN adoption with business outcomes in mind, or persuasion by a salesperson or because it was positioned as ‘cheap and easy’. Further, large telcos may ‘give away’ their preferred SD-WAN technology for free.

However, purchasing the wrong technology ultimately costs organizations in terms of extra time and money.

Technology lock-in via long contracts

Then there’s technology lock-in, often a tactic of carriers or large service providers. They care less about what solution a business buys and more about locking them into a contract.

Vendor-influenced standardization on technology or platform

Many decisions are made based on vendor influence. This could be because an organization already has large framework agreements in place with a specific vendor, or are used to being a customer of a specific brand, so prefer to buy everything on the same platform. However, taking this approach doesn’t lend itself to the flexibility or agility needed. It can merely lock a business into a specific vendor contract.

Flexibility to pivot in the future

Organizations must remember that they’re only making decisions for today based on what they need for the next sprint. Given the rapid pace of technology change, there’ll be new, better SD-WAN technology versions available 6 months to a year from now, so businesses need the flexibility to pivot.

When evaluating or moving to SD-WAN, it’s crucial to fully understand how to avoid these common pitfalls. Working with a reputable SD-WAN partner with experience and expertise is often the best option.

“Teneo helped to increase our confidence level that SD-WAN isn’t
vaporware. We’ve always appreciated their honesty throughout the
course of the relationship. I know that, if Teneo’s recommending a
solution, then it works in real-world scenarios.”

Group IT Representative, Multinational Consumer Goods Organization

3. Practical advice on getting your SD-WAN project started

How do I select the best approach to SD-WAN?

Designed correctly, an SD-WAN architecture will deliver unique advantages, enabling true digital transformation while reducing costs, increasing application performance and availability, and enhancing user experience.

Once a company has made the decision that SD-WAN would be beneficial for their business, they typically set out to create a business case, and evaluate two options:

1. Work with a traditional reseller and deliver the project in-house (buy and build)
2. Work with an existing carrier or service provider and take a managed service

However, both of these options carry risks. Are internal teams experienced enough? Do they have enough bandwidth? Is the service provider an expert in this field? Will internal teams get the career development opportunities they need?

Although these are the most obvious approaches to SD-WAN implementation, many businesses need to consider that both of these options can actually move them further away from their ultimate goal of enabling transformational change.

There is, however, a third option: the ‘shared-risk’ approach.

What is a shared-risk approach to SD-WAN?

Taking risks and being willing to adopt new technologies and concepts is vital to business transformation. The resources organizations have at their disposal present endless possibilities, but it’s how a business chooses to combine these with outside guidance and support that change the result.

When it comes to SD-WAN, forward-thinking organizations are maintaining co-ownership of network transformation projects while leveraging external expertise to augment their own team capabilities and deliver projects faster with lower risk.

This helps to improve the efficiency and effectiveness of design and deployment, while at the same time reducing stress on in-house staff through transitional or co-managed services until they’re fully skilled up through knowledge transfer from their SD-WAN partner.

It also helps organizations to avoid technology lock-in with specific vendors and instead lets them pivot to new options just in time to take advantage of them.

Through a shared-risk approach, businesses can:

  • Leverage external, specialist expertise and experience
  • Train and develop internal staff while ensuring solution continuity
  • Accelerate project delivery with lower risk and stress
  • Transfer management responsibilities gradually back to the in-house team
  • Delegate routine, administrative workloads
  • Pivot freely to new technologies
  • Enjoy a smooth transition

What can I expect from an SD-WAN partner in the shared-risk approach?

The shared-risk approach to SD-WAN can help organizations fill people, skill, and knowledge gaps. By working with an SD-WAN partner, organizations will be guided through the key steps of SD-WAN implementation. This includes:

The Decision-Making Process

This step in SD-WAN adoption will typically involve an SD-WAN partner carrying out an audit of existing technology, workshops, value assessments, business case assistance, RFP (Request for Proposal) preparation, and POC (Proof of Concept).

The Design Process

During the design process, an SD-WAN partner will carry out high and low-level design, technology specification and maintenance. A network readiness assessment will be carried out, along with testing in a closely modeled lab environment to de-risk deployment, and delivery of an implementation plan.

The Deployment Process

Expert SD-WAN partners will guide organizations through the deployment process. This includes project management, global logistics, and installation.

The Operation Process

This part of the process typically includes training along with co-managed and managed service options. Then, to keep pace with technology change, expert SD-WAN partners will advise on upgrade paths and new technology options that fit an organization’s roadmap, before the process starts again. During that time, the SD-WAN partner will carry out knowledge transfer with an organization’s internal IT team.

What’s the secret to SD-WAN success?

SD-WAN projects often fail because teams struggle to align a collective vision with business objectives and technical requirements. Such misalignments, misunderstandings, and isolated decision-making ultimately lead to project back-tracking, overruns, and unrealized business benefits.

So, what’s the secret sauce to SD-WAN success?

Many organizations begin their SD-WAN journey by working with an experienced SD-WAN partner who can help guide them through each stage. Often beginning with an SD-WAN workshop, the SD-WAN partner will ensure all teams are aligned at the beginning of their project, providing real-life experience and insight to help organizations avoid pitfalls. An SD-WAN workshop is also key in driving a structured approach to building a collaborative SD-WAN solution and business case.

“Teneo’s Co-managed SD-WAN service has beaten all expectations, which doesn’t happen often! That’s the biggest compliment I can give.”

Michael Meredith, Argenta UK & US IT Operations Manager

SD-WAN workshops enable businesses to:

Align SD-WAN stakeholders

SD-WAN workshops invite organizations to bring together collaborative representatives from network, applications, infrastructure, VoIP/telecoms, cloud, and security teams. The latter of which is particularly important when considering enhancing SD-WAN security with SASE.

Follow proven methodology

Workshops with reputable SD-WAN partners should be designed around a proven methodology that focuses on business challenges and technical requirements.

Get detailed recommendations

A workshop with an established SD-WAN partner will cover all aspects of technology, processes, systems, and people, providing organizations with recommendations for a comprehensive solution path.

This includes recommendations relating to:

  • Background and architecture
  • Connectivity and cost
  • Agility
  • Performance
  • Security (including SASE)
  • Migration and transformation

Leverage experience

By working with an external SD-WAN expert, organizations should be able to leverage the partner’s years of technical SD-WAN knowledge and practical, real-life SD-WAN experience, to avoid pitfalls and plan how to achieve SD-WAN success.

What does SD-WAN implementation involve?

Pivotal to a successful SD-WAN implementation is the design process where a comprehensive SRD (Solutions Requirement Document) is created, based on stakeholder vision. The more time spent planning and testing at the design and deployment stage, the faster an SD-WAN migration tends to happen.

However, today, many network, infrastructure, and security teams underestimate the people resource, skills, breadth of knowledge and time required to complete this project phase efficiently and successfully. This inevitably leads to project overruns, elevates risk during transition, and increases the cost of change and slows time to value.

Working with an experienced SD-WAN partner enables organizations to achieve faster deployment and minimized risk with SD-WAN design and deployment expertise.

SD-WAN implementation services enable organizations to:

Identify and Align Stakeholders

SD-WAN partners will help organizations to identify and align stakeholders and requirements and unify the company’s vision. From there a comprehensive SRD can be created.

Reduce Risk

In the SD-WAN implementation stage, partner organizations will help minimize the possibility of downtime and rollbacks and ensure SD-WAN delivers with the custom design of MoP (Method of Procedure) documents created by certified and experienced SD-WAN architects. By working with an SD-WAN partner, organizations should be given access to a lab POC environment during the pilot stage, where SD-WAN functionality and capability can be tested in closely modelled environments.

Achieve Faster Deployment

Expert SD-WAN partners will enable organizations to benefit from access to experienced, global resources and support, available round the clock to enable rapid deployment. To avoid issues at customs, SD-WAN partners should also provide managed ‘white glove’ logistics.

Maximize Value

In the implementation stage, organizations should leverage their partner’s insights to maximize their SD-WAN investment value.

Shorter Time to ROI

SD-WAN partners in the shared-risk approach will help businesses deploy SD-WAN faster and avoid pitfalls, enabling them to achieve ROI in the shortest time possible. Further, more sites can be deployed in less time by augmenting resources.

What do SD-WAN Co-Managed and Managed services include?

Co-Managed and Managed SD-WAN Services provide continuous monitoring and management of SD-WAN deployments, along with best practice advice and recommendations.

Reputable SD-WAN partners will enable organizations to choose how much management control they want by selecting the service level that suits their needs.
Service elements include monitoring, alerting, lifecycle management, and reporting and service improvements. As standard, reputable SD-WAN partners will provide regular custom reporting to reduce internal reporting time so that organizations can take fast action to improve network performance.

This gives organizations deep insight into everything from their SD-WAN traffic profile, utilization statistics, incident problem log and actions, and service enhancement recommendations.

Co-Managed/ Managed SD-WAN Services enable organizations to achieve:

Proactive monitoring

With managed SD-WAN services, an SD-WAN partner can proactively identify issues in near real-time and allow the organization to take corrective action before users notice or complain.

Expert advice

Utilizing the experience of a respected SD-WAN partner will help businesses maximize the value of SD-WAN by receiving best practice recommendations.

Cost control

Trusted SD-WAN partners will carry out management work at a predictable monthly cost, saving organizations money in the long term.

“Teneo’s SD-WAN service represents really good value. They know our business well and they have thorough knowledge and experience.”

Bhavin Patel, Head of IT Infrastructure, Plan International

4. Choosing Teneo as your SD-WAN partner

Why should I choose Teneo as my SD-WAN partner?

Teneo enables organizations to get the most value from SD-WAN, faster and with minimum risk. Our customers can choose how much management control they want and select the service levels that suit their needs.

SD-WAN has been part of Teneo’s expertise since 2011, long before the term ‘SD-WAN’ was used. Providing a holistic SD-WAN solution, we cover all project aspects, from inception and design to migration and post-implementation support.

Our shared-risk approach to SD-WAN has been leveraged by the largest multinationals to the leanest, high-growth organizations. We deliver SD-WAN projects efficiently and on time.

With over 21 years of network performance, visibility, and security experience, we’ve transformed WANs for customers of all sizes, across all industries and geographies.

We’ll help you to:

  • Find the right technology for you
  • Design an architecture to meet your needs
  • Leverage compatible ecosystems
  • Deliver co-managed and managed solutions

Why our customers choose Teneo

Deep expertise. We provide knowledge and expertise where it matters – technically and in delivering business outcomes by giving you the visibility you need.​

Easy to work with. We remove complexity, help get the job done, and provide flexible service models.​

Honesty and integrity. We believe in doing the right thing for our customers, even if it means making decisions that impact our profit margins.​

Global experience. We’ve helped some of the world’s largest companies see new possibilities since 2000. ​

Best of breed approach. We work with the best technology that we know well and manage every day.​

Rich pool of talent. Companies are investing in outcomes, not skills. We possess the rare skills you need in a market with growing demand.​

Accelerated business outcomes. Working with us propels businesses forward to achieve the outcomes they seek to remain competitive in this fast-moving digital, Work From Anywhere world.

How have other organizations benefited from Teneo’s WFA: SD-WAN services?

Global animal health contract research and manufacturing company, Argenta, adopted Teneo’s Co-Managed SD-WAN service for improved network performance.

  • Argenta’s WAN-dependent critical applications were underperforming due to connectivity dropouts, latency, and bandwidth underutilization.
  • Following a thorough assessment of several solutions, they selected Teneo’s SD-WAN Co-managed service.
  • Since working with Teneo, they enjoy an 80% improvement in ERP (Enterprise Resource Planning) system performance across the WAN; issues relating to interconnectivity and dropouts have also improved by 90%.
  • The IT team benefit from round the clock support, management expertise, continuity of service, and training and personal development from Teneo’s expert Service Desk and management team.

Read the full case study.

Teneo Supported a Multinational Consumer Goods Organization’s Journey to SD-WAN

  • The company, with over 40,000 employees across 200 sites globally, selected Teneo to deliver an SD-WAN Workshop, and SD-WAN Implementation services
  • Through SD-WAN deployment, the company achieved network modernization, and infrastructure standardization and simplification
  • WAN costs were reduced by £2.5m in the first year
  • SAP performance also improved, supporting productivity increase in factories during Covid-19
  • Visibility has improved across the network, enabling faster issue identification

Read the full case study

down quote up quote Teneo demonstrated a deep understanding of SD-WAN and how to implement a deployment in a similar environment, company size and geographies. Teneo’s willingness to help and attitude towards us as the customer is a pleasure.
Group IT Team Representative, Multinational Consumer Goods Organization

5. SUMMARY

Digital transformation and the Work From Anywhere (WFA) infrastructure model rely on an agile, dynamic, secure, and reliable network. Only then can digital transformation truly begin.

When evaluating or moving to SD-WAN, working with a reputable SD-WAN partner with experience and expertise is often the best option.

With Teneo’s shared-risk approach to SD-WAN we’ll ensure your SD-WAN project is delivered on time and on budget, helping you to select the best technologies, design the best architectures and leverage compatible ecosystems.

With the urgency to transform networks to support digital transformation, businesses must not rest on their laurels. They need to push ahead at pace to ensure they aren’t left behind. Put simply: the shift to SD-WAN is now or never.

6. SCHEDULE A MEETING

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