Why SD-WAN Managed Services Are Critical to Modern Enterprise Businesses

Quick Summary

• SD WAN managed services help businesses optimize network performance, improve security, and simplify the management of multi-cloud and hybrid environments.
• Organizations benefit from proactive monitoring, centralized management, and expert support, reducing downtime while improving scalability and reliability.
• Outsourcing SD WAN management enables internal IT teams to focus on strategic initiatives rather than routine network maintenance and troubleshooting. 
• Selecting the right managed service provider enables organizations to maximize SD WAN performance, strengthen security and adapt their network to changing business needs. 

There should be no question that enterprise organizations have moved at least part of their IT operations to multi-cloud and SaaS applications. Cloud spending will top $1 trillion for the first time this year. The need for scalability during digital transformation pushes enterprise organizations to reduce their reliance on legacy on-premises applications. As these organizations shift from centralized IT to cloud-based infrastructures, software-defined wide area networks (SD-WAN) are the next enterprise empowerment phase for more efficient, secure and agile networking solutions.

However, modern enterprise networks are significantly more distributed than traditional WANs were designed to support. As organizations adopt Microsoft 365, Microsoft Azure, Amazon Web Services and other SaaS platforms, they must also support employees working across branch offices, remote locations and hybrid environments. 

Traditional WAN architectures often route cloud traffic inefficiently, resulting in higher latency, inconsistent application performance, limited visibility and increased operational complexity. As organizations embrace hybrid and multi-cloud strategies, they need a networking solution that can intelligently optimize connectivity, maintain consistent security and deliver reliable performance across diverse environments. 

What is SD WAN Managed Service? And Why Do Businesses Need It?

SD-WAN managed services combine SD-WAN technology with ongoing management, monitoring and support from a managed service provider (MSP). The provider handles deployment, performance optimization, security policies, software updates and 24/7 monitoring, reducing the burden on internal IT teams.

SD-WAN continuously evaluates network conditions and automatically routes traffic over the most efficient path based on latency, packet loss, jitter and application priority. This ensures business-critical applications receive the most reliable connection while less sensitive traffic uses available bandwidth efficiently. If a connection degrades or fails, SD-WAN automatically reroutes traffic to maintain performance and minimize disruption.

For organizations with branch offices, remote users and multi-cloud environments, SD-WAN managed services improve application performance, strengthen security and simplify network management while allowing IT teams to focus on strategic initiatives.

Evolution of SD WAN

Understanding the significance of SD-WAN managed services requires a quick review of the evolution of networking technologies. Traditional Wide Area Networking (WAN) solutions often struggle to meet the demands of our increasingly dynamically distributed enterprises. Legacy infrastructures, characterized by hardware-centric approaches and rigid configurations, are ill-equipped to handle the complexities of modern enterprise operations.

SD-WAN emerged as a transformative solution, offering a software-driven virtualized cloud approach to networking that brings unprecedented flexibility and scalability. Unlike traditional WANs, SD-WAN allows for centralized network resource management, making it easier for enterprises to adapt to changing requirements. The technology leverages the capabilities of software-defined networking (SDN) to enhance network performance, reduce costs and improve overall network efficiency.

Challenges of Traditional WAN

Traditional WAN architectures were designed for a time when applications and data primarily resided in centralized data centers. As organizations adopt cloud services, SaaS applications, and hybrid work models, these legacy networks often struggle to deliver the performance, flexibility, and visibility modern businesses require.

Some of the most common challenges of traditional WAN include:

• Inefficient cloud connectivity: Traffic is often backhauled through centralized data centers, increasing latency and reducing application performance.
• Limited scalability: Expanding a traditional WAN to support new locations or cloud services can be time-consuming and costly.
• Higher operational costs: Dedicated MPLS circuits and hardware-intensive infrastructure typically require significant ongoing investment.
• Complex network management: Managing multiple branch offices, circuits, and network devices increases administrative overhead for IT teams.
• Reduced visibility: Traditional WANs provide limited insight into application performance and network health, making troubleshooting more difficult.

These limitations have accelerated the adoption of SD-WAN, which provides intelligent traffic routing, centralized management, and improved application performance across distributed enterprise environments.

Types of Managed SD WAN Deployments

Organizations can choose from several SD-WAN deployment models based on their infrastructure, security requirements, and operational goals.

• On-premises SD-WAN: Network controllers and management platforms are hosted within the organization’s data center, providing greater control over infrastructure and security.
• Cloud-managed SD-WAN: The SD-WAN control plane is hosted in the cloud, enabling centralized management, simplified deployment, and easier scalability across multiple locations.
• Hybrid SD-WAN: Merges on-premises infrastructure with cloud-based management tools, helping organizations preserve legacy application support while leveraging modern cloud connectivity.

SD WAN Comparison Guide 

SD-WAN vs. MPLS 

Managed SD-WAN vs. DIY SD-WAN 

SD-WAN vs. SASE

Configuring an SD WAN Network

Configuring an SD-WAN involves several key steps. SD-WAN is a technology that simplifies the management and operation of a WAN by separating the networking hardware from its control mechanism.

Here’s a general guide on configuring an SD-WAN network:

Define Objectives and Requirements

• Understand the specific requirements and objectives of your organization.
• Identify the applications that need prioritized traffic, such as VoIP or mission-critical business applications.

Select SD WAN Solution

• Choose an SD-WAN solution that aligns with your organization’s needs. Popular vendors include Cisco, VMware, and Fortinet.

Design the Network Architecture

• Plan the network architecture, considering factors like branch offices, data centers and cloud connectivity.
• Decide on the deployment model to maximize existing on-premises solutions or select cloud-based or a hybrid approach.

Connectivity and Transport Methods

• Choose the transport vehicles for connecting branch offices (like MPLS, broadband or 4G/5G).
• Configure WAN links, ensuring redundancy and load balancing.

Security Configurations

• Implement security measures, including encryption for in-transit data.
• Set up firewalls and ensure compliance with existing or newly created security policies.

Traffic Routing and Optimization

• Configure initial traffic routing policies based on application priorities. (This may change during the monitoring process.)
• Implement ongoing WAN optimization techniques to improve performance.

Quality of Service (QoS)

• Define QoS policies to ensure critical applications receive the necessary bandwidth and low latency.

Centralized Management

• Set up a centralized management system (in-house or SD-WAN managed services) for monitoring and configuring the entire network.
• Automate provisioning and updates.

Monitoring and Reporting

• Benchmark network performance metrics.
• Configure monitoring tools to track network performance.
• Generate reports for analyzing network behavior and identifying potential issues.

Integration with Existing Infrastructure

• Integrate the SD-WAN with existing networking infrastructure.
• Ensure compatibility with routers, switches and other network components.

Training and Documentation

• Train IT staff on the new SD-WAN system.
• Document configurations, policies and procedures for future reference.

Testing

• Conduct thorough testing before deploying the SD-WAN network in a production environment.
• Validate failover mechanisms and ensure proper functionality.

Deployment

• Roll out the SD-WAN solution in a phased approach.
• Monitor the network initially to address any issues as they arise.

Maintenance and Updates

• Regularly update the SD-WAN software and firmware.
• Perform routine maintenance to ensure optimal performance.

Keep in mind that specific configurations may vary based on the chosen SD-WAN solution and the unique requirements of your organization. Always refer to the vendor’s documentation for detailed configuration instructions.

Top Three Benefits of SD WAN

SD-WAN is the new normal for organizations seeking to digitally transform. One survey showed SD-WAN adoption increased from 62% in 2020 to over 66% last year. These organizations reap clear benefits from their SD-WAN configuration, including:

1. Enhanced network performance and agility: SD-WAN enables businesses to optimize network performance by intelligently prioritizing and routing traffic based on real-time conditions. Dynamic routing ensures critical applications receive the necessary bandwidth for improved user experiences and increased operational agility.
2. Cost savings and resource optimization: Traditional WANs involved high operational and maintenance costs, with a significant portion attributed to hardware dependencies. SD-WAN’s software-centric approach reduces hardware requirements and offers greater deployment flexibility. There are resulting cost savings and better resource allocation that align enterprise network capabilities with evolving business requirements.
3. Improved security posture: Security is increasingly a top concern for modern enterprises, especially as cyber threats evolve. SD-WAN applies advanced security features, including encryption, threat detection and secure access controls. Given the cloud-centric nature of these tools, enterprise organizations benefit from constant upgrades to these tools to meet changing security threats. Additionally, SD-WAN managed services centralize security policies and monitoring, enhancing the overall security posture of the enterprise, protecting sensitive data and ensuring compliance with regulatory requirements. 

How SD WAN Strengthens Enterprise Security

In addition to optimizing network traffic, modern SD-WAN platforms incorporate advanced security features to strengthen enterprise network protection. As organizations support remote work, cloud applications, and distributed branch offices, SD-WAN helps enforce consistent security policies across every location.

• Zero Trust Architecture: Many SD-WAN solutions support Zero Trust principles by continuously verifying users, devices, and applications before granting access to network resources. Rather than assuming trust based on network location, Zero Trust limits access according to user identity, device posture, and business policies, reducing the risk of unauthorized access and lateral movement.
• Secure Access Service Edge (SASE): Many organizations combine SD-WAN with SASE to unify networking and cloud-delivered security. SASE extends SD-WAN by integrating capabilities such as Secure Web Gateway (SWG), Cloud Access Security Broker (CASB), Zero Trust Network Access (ZTNA), and Firewall as a Service (FWaaS), providing consistent protection for users regardless of location.
• Advanced Threat Prevention: Managed SD-WAN solutions often include integrated security services such as next-generation firewalls, intrusion prevention, malware detection, DNS filtering, and encrypted traffic inspection. Combined with continuous monitoring and automated security updates, these capabilities help organizations detect and respond to evolving cyber threats while maintaining regulatory compliance.

Why do Enterprises Need SD WAN Managed Services?

While the benefits of SD-WAN are evident, managing and maintaining a sophisticated SD-WAN infrastructure is complex. Diverse multi-cloud environments, varying application requirements and the need for continuous monitoring and optimization require specialized support.

Enterprise SD-WAN provides large organizations with centralized network management, intelligent traffic routing and secure connectivity across branch offices, cloud platforms and remote users, making it a foundational technology for modern distributed networks. 

Today, most enterprise organizations leverage SD-WAN managed services for seamless connectivity and network optimization. The specialized knowledge and expertise managed service providers offer to play a pivotal role in ensuring optimal configuration and performance. These services ‘ proactive monitoring and troubleshooting capabilities are crucial for identifying and addressing potential issues before they disrupt operations, minimizing downtime and optimizing overall network performance. The scalability and flexibility inherent in SD-WAN managed services are vital for enterprises operating in dynamic and evolving business environments. Enterprise organizations can seamlessly scale SD-WAN deployments without extensive in-house resources.

By outsourcing the intricacies of SD-WAN management, enterprises can redirect their focus and resources toward core business operations and strategic initiatives.

Outsourcing SD WAN Services

SD-WAN managed services offer a comprehensive suite designed to optimize, secure and efficiently manage the SD-WAN infrastructure. These services typically include:

Many organizations adopt SD-WAN as a service to simplify network operations, reduce capital investment and gain access to expert management through a predictable subscription model.

• Deployment and configuration: Managed service providers handle the initial setup and configuration of the SD-WAN solution, ensuring it aligns with the enterprise’s specific requirements.
• Proactive network monitoring: Continuous monitoring of network performance, bandwidth utilization and application behavior to identify and address issues before they impact operations.
• Security services: Implementing advanced cybersecurity measures, such as encryption, threat detection and access controls, to safeguard the SD-WAN environment and protect sensitive enterprise data.
• Performance optimization: Ongoing real-time optimization of network resources, ensuring critical applications receive the necessary bandwidth, enhancing overall network performance and user experience.
• Scalability: Efficient scaling of the SD-WAN deployment to accommodate the growth and changing needs of the enterprise, whether adding new sites or integrating emerging technologies.
• 24/7/365 troubleshooting and issue resolution: Proactive troubleshooting to address network issues promptly, minimizing downtime and ensuring the reliability of the SD-WAN infrastructure.
• Policy development and management: Centralized management of policies and configurations to ensure consistency and compliance with security protocols and regulatory requirements.
• Expert consultation: Access to expert advice and consultation on SD-WAN best practices, industry trends and emerging technologies to help the enterprise make informed decisions.
• Reporting and analytics: Detailed reporting and analytics on network performance, security incidents and other relevant operational metrics to support data-driven decision-making.
• Vendor management: Collaboration with SD-WAN technology vendors, software updates, patches and firmware upgrades to keep the infrastructure up-to-date and secure.
• Training and support: End-user training programs and help desk support services to empower the enterprise’s IT staff in managing day-to-day SD-WAN operations effectively.
• Cost management: Assistance in tracking and optimizing costs related to SD-WAN deployment, ensuring efficient resource allocation and helping the enterprise maintain a predictable budget.

Adopting any new technology requires expertise, resources and time. Most IT teams are overburdened with firefighting to focus on organizational digital transformation. SD-WAN managed services enable existing tech teams to focus on strategic initiatives so critical to the organization’s mission in an evolving marketplace.

Benefits of SD-WAN Managed Services

SD-WAN introduces a paradigm shift in networking, offering enhanced performance, agility and cost savings. However, managing a sophisticated SD-WAN infrastructure requires specialized expertise, which managed services provide. These services offer dedicated professionals with deep knowledge in SD-WAN deployment, configuration and ongoing optimization, ensuring seamless operation. 

A well-managed SD-WAN managed network helps organizations improve application performance, strengthen security, and maintain reliable connectivity across branch offices, cloud environments, and remote users. 

Some of the benefits of SD-WAN managed services include:

• Expertise and specialized knowledge: SD-WAN managed service providers bring expertise and knowledge to the enterprise. Navigating the intricacies of SD-WAN deployment, configuration and ongoing management requires a deep understanding of cloud-based networking protocols, security measures and evolving industry best practices. By partnering with managed service providers, enterprises can leverage the experience of professionals dedicated to optimizing SD-WAN performance.
• Proactive monitoring and troubleshooting: Ensuring the seamless operation of an SD-WAN infrastructure demands continuous monitoring and proactive troubleshooting. SD-WAN managed service providers employ advanced monitoring tools and analytics to identify potential issues before they impact network performance. A proactive approach minimizes downtime, enhances reliability and allows businesses to focus on their core operations without being burdened by the intricacies of cloud network management.
• Scalability and agility: As enterprises grow and evolve, so do their networking requirements. SD-WAN managed services offer scalability and flexibility, allowing businesses to adapt to changing demands without extensive in-house expertise. Managed service providers can efficiently scale SD-WAN deployments, add new sites and integrate emerging technologies, ensuring that the network remains aligned with the evolving needs of the enterprise.
• Cost-efficiency and predictable budgeting: Opting for SD-WAN managed services can contribute to cost-efficiency and more predictable monthly budgets. Instead of investing in dedicated IT personnel and resources for SD-WAN management, enterprises benefit from a subscription-based managed service model. It’s an approach that allows businesses to allocate and predict IT budgets more predictably while still enjoying the advantages of a well-managed and optimized SD-WAN infrastructure.

SD-WAN managed services are indispensable for enterprises seeking optimized, secure and agile networking solutions. SD-WAN managed services offer proactive monitoring, troubleshooting and scalability, allowing enterprises to focus on core operations without being burdened by network intricacies. This approach to IT infrastructure management ensures cost-efficiency, predictable budgeting and the flexibility to adapt to evolving business needs.

Choosing the Right SD-WAN Managed Service Provider

Choosing the right SD-WAN managed service provider ensures seamless network operation. Start by assessing the provider’s expertise and experience in deploying SD-WAN solutions. Evaluate their network coverage, ensuring it aligns with your geographical requirements. Consider the scalability and flexibility of their services to accommodate enterprise growth. Look for robust security measures and compliance adherence. Assess the provider’s customer support and service-level agreements. Additionally, examine their track record for successful SD-WAN implementations. Ultimately, select an MSP that aligns with your technical requirements, offers personalized support and aligns with your organization’s long-term strategic goals.

Red River for SD-WAN Managed Services

Enterprise organizations turn to Red River’s turnkey SD-WAN managed services to help them navigate the complexities of modern networking, capitalize on the advantages of SD-WAN technology, and maintain a secure, scalable and efficiently managed network infrastructure aligned with core business objectives. Our modern SD-WAN managed service solution can harness the benefits of multi-cloud without overconsuming data center resources. These networks empower employees by increasing network uptime and in turn, their productivity. These services help enterprise organizations become more data-driven while creating a more secure network. Considering SD-WAN managed services? Contact the Red River team today to find out how we can help.

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