network performance | FatPipe Networks Blog

Network Resilience: SD-WAN vs Emerging SASE Solutions for Modern Networks

Earlier, SD-WAN (software-defined wide area network) freed companies from the problems of legacy MPLS services. Though SASE (secure access service edge) has grown in popularity, optimizing traffic management within the network (SD-WAN principle) remains relevant because it directly impacts network efficiency, application performance, and user experience.

The need now is an approach that utilizes SD-WAN to connect locations besides addressing its security and deployment limitations. While SD-WAN principles focus on traffic management, SASE is useful in ensuring comprehensive security across distributed networks, securing remote access, and adapting to the dynamic needs of the modern workforce.

Addressing Core Operational Concerns with SD-WAN and SASE

SD-WAN and SASE collectively address a company’s core operational concerns. SASE, with its Zero Trust Network Access (ZTNA) model, provides branch offices, remote workers, and mobile users, with secure application access. Besides, it eliminates the attack surface by verifying user identities and enforcing strict data access policies. SD-WAN complements this by optimizing application traffic, ensuring seamless access to critical applications and data while efficiently routing traffic to match workflow needs.

SD-WAN and SASE: Key Differences

SD-WAN and SASE benefit organizations in the need to improve their security and network performance.

Key Areas	SASE Benefits	SD-WAN Benefits
Deployment and Architecture	Unified, cloud-native, simplified deployment	Optimized traffic routing for efficiency and not a cloud-centric solution though can provide cloud computing
Security	Comprehensive, built-in security	Security features may require additions
Traffic and Connectivity	Secures traffic from any location	Efficient traffic management within the network
Remote Access	Enables secure remote access	Supports remote access, may need additional components
Required Expertise	Requires expertise in networking and security	Requires less specialized expertise

SD-WAN and SASE serve different networking needs for businesses. The choice between SASE and SD-WAN depends on a company’s specific network requirements and operational priorities.

Business Type	Networking Solution that Best Fits the Needs
Small Businesses/Startups	SD-WAN
Remote Workforces/Cloud-Based Applications	SASE

In today’s rapidly evolving digital landscape, network security and performance have become critical. While SD-WAN can optimize network traffic and streamline deployment, SASE can ensure data integrity and protect the organizational network against evolving threats. Thanks to remote work, SASE has quickly become popular since 2022. By offering a comprehensive approach to optimizing network performance through managed SD-WAN, FatPipe Networks helps organizations achieve seamless connectivity and enhanced efficiency. Besides, extending SD-WAN with the security functions of SASE ensures a holistic and robust defense against cyber threats.

Not all SD-WAN solutions solve the problem

Buy SD-WAN – it will solve your network issues and improve your efficiencies. Really? How often have you been approached by an IT solution provider who represents a particular vendor’s product and convinces you that it will solve your problem? You trust them and buy their solution only to find it can only do 50% of you need it do.

This is very common in today’s market. Most WAN administrators want very simple things. A network that works efficiently, securely, and “autonomously” so that they can concentrate on delivering applications to their user base that help drive company profits.

So why is it so challenging to implement Software-Defined WAN (SD-WAN) solutions that work as desired? Research has shown that a large percentage of SD-WAN solutions deployed are either re-tooled or worst case – removed because they have not met specific needs.

Don’t buy the Hype!

Marketing plays a significant role in decisions made. Certain features and functions are marketed to solve business needs, but savvy administrators do not buy the hype. They require suppliers to prove effectiveness of the recommended solution.

Here is where the rubber meets the road.

Businesses will do Proof of Concept, and it is usually a good way to determine if the products will solve the problems. Or is it? Only if your POC has been designed to show you how the solution solves the “real” problem, not mask it with fancy screens showing how it “may” solve it without really getting to the bottom of the issue. The pressure to close the sale is always the driving force.

The truth is, most vendors want to help you solve your network problems. However, there is a flood of opportunists who simply want to make some cash. Simply put – software-defined network solutions should be simple to understand, simple to implement and above all, simple to manage!

Key Issues Facing Administrators

Now it is well known that businesses are most wary of the security of their data flowing across their network. How can they ensure that this traffic is secure from origin to destination and back? What about cloud-based applications, the internet as a reliable link, back up off-premise, and application performance? Can SD-WAN provide a comprehensive solution to ALL the issues, not just a subset?

Firewall companies will sell an SD-WAN solution, router companies will sell an SD-WAN solution, and ISPs will sell an SD-WAN solution. Which is right for your business?

It is all about the “S”

It is the “S” in SD-WAN that is critical to decision making. Without a comprehensive, integrated and simple to manage software suite, your SD-WAN may look a little like a cobbled together smorgasbord of hardware and software that is frequently difficult to navigate, difficult to remediate issues and impossible to customize. To exacerbate the problem – you need to retrain your IT staff, get new certifications or worse still, hire expensive administrators. And just wait until you have to upgrade! What happened to the SD-WAN that will solve my problems and be much more efficient?

The best approach to an SD-WAN solution is to focus your research and effort on the “S”. It is the software that drives the management of traffic on your network, not the hardware. It is the software that will give your business the flexibility and control required to ensure your data is secure, no matter which link is used, or where it is destined, and it is the software that will allow simple and easy to manage traffic management.

So, the software MUST be able to work on multiple platforms, virtual machines, large or small edge devices, and provide the user with a simple, easy to understand and use interface that provides a complete view of your entire network to enable effective traffic management.

It really is about Traffic Management

After all, it is about traffic management, isn’t it? The software you choose (the SD-WAN solution you choose) will determine the security, flexibility, reliability, and performance of your network. Can you afford NOT to look at the best of breed “S”?

FatPipe Networks have been developing networking solutions for over 20 years and were the first to sell “SD-WAN” into the market, even before SD-WAN became a buzz word. FatPipe’s software suite is unmatched in the industry with a comprehensive solution that addresses security, reliability, performance, compatibility and most importantly, is simple to install and easy to manage! Regarded as “best of breed SD-WAN” FatPipe works with any link type, including cable, wireless, 3G, 4G, 5G, LTE, satellite, broadband, and legacy systems such as BGP.

If you are serious about the “S” in SD-WAN, you must include FatPipe Networks in your evaluations.