Direct Internet Access: The SD-WAN Game Changer

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SD-WAN direct internet access represents a pivotal shift in how businesses connect to the internet, offering a modern solution to improve network efficiency and flexibility. For those looking to understand this innovation quickly, consider the key points below:

  • Improved Connectivity: SD-WAN direct internet access ensures faster, more reliable internet connections by optimizing the path data takes through multiple WAN links.
  • Cost-Effective Integration: Moving from traditional MPLS to SD-WAN can significantly reduce costs by utilizing cheaper internet links.
  • Simplified Management: Centrally manage your network with cloud-based solutions that reduce complexity and free up IT resources.

Emerging from traditional network setups, SD-WAN direct internet access is changing how companies handle data and applications. By leveraging technologies like NAT-enabled Direct Internet Access and automated failover to MPLS, businesses can maintain resilient and high-performing networks while ensuring cost savings and scalability.

Ryan Carter here, CEO of NetSharx Technology Partners. With years of experience changing enterprises through technologies such as SD-WAN direct internet access, we streamline digital transitions to support rapid growth and security.

SD-WAN features and benefits infographic - sd wan direct internet access infographic infographic-line-3-steps-neat_beige

Sd wan direct internet access definitions:

Understanding SD-WAN and Direct Internet Access

When it comes to SD-WAN direct internet access, it’s all about changing how businesses connect and operate. By integrating SD-WAN with direct internet access, companies can enjoy improved network performance, reduced costs, and improved application experiences.

Benefits of Direct Internet Access in SD-WAN

Let’s break down the benefits:

  • Performance Improvement: Local internet breakout is a game-changer. By allowing internet traffic to exit directly at the branch location, SD-WAN minimizes latency and boosts application performance. This is particularly crucial for SaaS applications like Office 365 and Salesforce, which demand real-time data exchange.

  • Cost Reduction: Traditional WANs often rely on expensive MPLS circuits. SD-WAN enables the use of cheaper broadband connections, slashing costs significantly. This shift not only reduces expenditure but also offers the flexibility to scale as your business grows.

  • Improved Application Experience: With SD-WAN, businesses can prioritize traffic based on application needs. This means critical apps get the bandwidth they need, ensuring seamless user experiences and improved productivity.

Security Considerations for SD-WAN Direct Internet Access

Security is paramount when discussing internet connectivity. Here’s how SD-WAN addresses it:

  • Inbuilt Security Features: SD-WAN comes with integrated security tools like DNS security, application-aware firewalls, and advanced malware protection. These features protect data as it travels through the network.

  • Cloud Security Provider Integration: Instead of relying solely on on-premise security stacks, SD-WAN can route traffic through cloud-based security providers. This setup improves security by applying sophisticated, cloud-based policies to your data.

  • Security Stack on WAN Edge Devices: With SD-WAN, you can deploy a security stack directly on WAN edge devices. This reduces the need for extensive hardware at each branch, simplifying the security infrastructure while maintaining robust protection.

Incorporating SD-WAN with direct internet access not only optimizes network performance but also strengthens security measures. As businesses continue to evolve, leveraging these technologies ensures they remain agile, secure, and ready for the future.

Implementing Direct Internet Access in SD-WAN

Implementing SD-WAN direct internet access is like opening a door directly to the internet for your network traffic, bypassing the traditional, often congested routes. Here’s how you can make it happen using two effective methods.

Method 1: Local Breakout Using NAT DIA Static Route

Local breakout via NAT DIA (Direct Internet Access) is a straightforward method. It allows branch locations to send internet-bound traffic directly to the internet, rather than routing it back through a central data center.

NAT Configuration: To enable this, you first need to set up Network Address Translation (NAT) on the WAN edge routers. This involves configuring the transport interfaces facing the internet to perform NAT overload. Essentially, this translates multiple internal IP addresses to a single public IP address, using different port numbers.

NAT DIA Static Route: A static route is configured to guide traffic from the internal network to the internet. The static route ensures that all internet-bound traffic is directed through the NAT-enabled interface.

Routing Protocols and Administrative Distance: To make local breakout work seamlessly, you need to configure routing protocols that prioritize the static route for internet traffic. Administrative distance, which determines the trustworthiness of a route, should be set to ensure the NAT DIA static route is preferred over others.

This method is efficient, allowing quick and direct access to the internet, which improves application performance by reducing latency.

Method 2: Centralized Data Policy for Direct Internet Access

This method offers granular control over how traffic is routed to the internet. Here’s how it works:

Centralized Data Policy: In Cisco SD-WAN, you can create a centralized data policy that defines which traffic should be sent directly to the internet. This policy is pushed to vSmart controllers, which then enforce it across the network.

VPN Segmentation: By segmenting VPNs, you can control internet access for different user groups. For example, a guest VPN might have unrestricted internet access, while an employee VPN might have restricted access to certain applications.

Proxy Server Configuration: You can also configure proxy servers within the centralized data policy. This adds an extra layer of control, allowing you to monitor and filter internet traffic based on organizational policies.

This method is ideal for organizations that require detailed control over their internet traffic, ensuring that security and compliance standards are maintained.

Implementing these methods ensures that your network is agile, cost-effective, and ready to handle the demands of modern applications. Next, we’ll dig into common questions about SD-WAN direct internet access.

Frequently Asked Questions about SD-WAN Direct Internet Access

What is direct internet access in SD-WAN?

Direct Internet Access (DIA) in SD-WAN is like having a superhighway directly to the internet from each branch office. This approach is known as local internet breakout. Instead of sending all traffic back to a central data center, branches can connect directly to the internet. This reduces latency and improves performance, especially for cloud-based applications.

The SD-WAN appliance plays a crucial role here by using intelligent algorithms to determine the best path selection for traffic. It evaluates multiple WAN links and chooses the optimal route based on current network conditions. This adaptability is what makes SD-WAN a game changer in network management.

How does SD-WAN connect to the internet?

SD-WAN connects to the internet using encrypted tunnels. These tunnels ensure that data remains secure as it travels over potentially insecure public networks. The SD-WAN controller manages these tunnels, providing centralized management of all network connections. This centralized approach simplifies operations, allowing IT teams to monitor and manage the network from a single interface.

With centralized management, you can easily apply policies across the entire network, ensuring consistent security and performance standards. This setup is particularly beneficial for businesses with multiple locations, as it streamlines network operations and reduces the complexity of managing individual connections.

What are the downsides of SD-WAN?

While SD-WAN offers numerous benefits, it does come with some challenges. One of the main concerns is security management. Although SD-WAN can create secure tunnels, it may not provide comprehensive security features out of the box. Businesses often need to integrate additional security solutions, like firewalls and intrusion detection systems, to ensure robust protection.

Another downside is related to SLA limitations. Unlike traditional MPLS connections, which often come with strict service level agreements, SD-WAN relies on less expensive internet connections that may not guarantee the same level of reliability. This can be a concern for businesses that require high availability and guaranteed performance.

Implementing SD-WAN also requires careful planning and configuration to ensure that all components work seamlessly together. Despite these challenges, the flexibility and cost savings provided by SD-WAN make it an attractive option for many organizations.

Next, we’ll explore how NetSharx Technology Partners can help businesses leverage SD-WAN for custom solutions and adapt to technology changes.

Conclusion

At NetSharx Technology Partners, we understand that networking is rapidly changing, and businesses need to adapt quickly to stay competitive. Our role as a technology broker is to guide organizations through this change by providing custom solutions that fit their unique needs.

SD-WAN with Direct Internet Access (DIA) is a game changer for businesses looking to improve their network performance and reduce costs. By enabling local internet breakout, SD-WAN improves application experiences and ensures that traffic takes the best possible path, reducing latency and enhancing efficiency.

We offer custom solutions that leverage the power of SD-WAN to meet your specific requirements. Whether you’re looking to improve your network’s performance, integrate advanced security features, or reduce operational costs, our expert solution engineers are here to help. Our approach is unbiased and agnostic, ensuring that you get the best possible solution without the influence of vendor biases.

Our extensive network of over 330 providers and 1600 data centers allows us to offer a wide range of options, ensuring that we can find the perfect fit for your business. We handle everything from competitive pricing and contract negotiations to comprehensive support throughout the implementation process.

The world of technology is constantly evolving, and businesses need to be agile to keep up. With NetSharx Technology Partners, you gain a partner committed to helping you steer these changes with confidence and ease. We are dedicated to delivering extraordinary service and building long-term relationships based on trust and transparency.

Ready to transform your network with SD-WAN and DIA? Explore our network connectivity solutions to see how we can help your business succeed in the digital age.

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