White Paper

2025 ISG Provider Lens™ Network – Software-Defined Solutions & Services U.S. Report

Download White Paper

Thank you for your interest. Enjoy!

Get the 2025 ISG Provider Lens™ Network – Software-Defined Solutions and Services U.S. Report; GTT recognized as a leader in SD-WAN and SASE.

Understand how top providers serving the U.S. enterprise networking

Enterprise IT leaders are under pressure to keep up with new innovations, strengthen security and simplify operations. At the same time, they must support hybrid work and multicloud environments with flexible networking. Choosing the right provider isn't just about technology and innovation; it's about selecting a unified platform that delivers long-term performance, integration, visibility and support.

That’s where the 2025 ISG Provider Lens™ Network – Software-Defined Solutions and Services – U.S. report comes in.

Published by leading analyst firm ISG, the report provides an objective and in-depth analysis of more than 150 providers, including GTT. ISG evaluates market presence, capabilities, product and service portfolios and competitive differentiators - providing structure to what can otherwise be a time-consuming decision process.

The study examines four key areas shaping the future of networking:

Managed SD-WAN Services
Secure Access Service Edge (SASE)
SD-Networks Transformation Services (Consulting and Implementation)
Edge Technologies and Services (including Private 5G)

Using a rigorous quadrant methodology, ISG compares providers based on their portfolio strength and competitive position in the U.S. The study considers changing market requirements and provides a comprehensive market overview of the segments.

a snapshot of what the report uncovers

SD-WAN Advantage: The U.S. is the largest consumer of SD-WAN, making it a key region to watch for new and evolving SD-WAN capabilities, solutions and services. SD-WAN adoption continues to grow as enterprises seek to simplify network management, enhance application performance and ensure secure, scalable connectivity across multiple locations and cloud platforms.
Security Shift: The evolution of integrated secure enterprise networks has transitioned from fragmented solutions to fully integrated frameworks under SASE. It’s now one of the fastest-growing segments in enterprise networking, driven by organizations embedding security practices into every stage of innovation and long-term strategy.
Evolving Buyer Behavior: As the complexity of SD-networking increases, forward-thinking enterprises are prioritizing advisory-driven engagements to ensure smarter planning and seamless execution.
GTT’s Position: GTT is named a Leader in both Managed SD-WAN and SASE, and a Rising Star in SD-Networks Transformation Services. This reflects the strength of the Envision platform and ability to deliver tailored Secure Connect managed SD-WAN and SASE solutions, our Tier 1 backbone with global reach and a seamless advisory-to-implementation experience.

If you’re evaluating vendors, revisiting your network strategy or planning for transformation, this report gives you the clarity to compare providers on independent, data-backed criteria.

What you’ll gain from this report

Independent analysis of more than 25 providers selected from an initial list of 151
Insights on market trends and vendor strengths
A faster path to confident decision-making

It is a must-read for CIOs, network architects, IT directors and sourcing teams identify where vendors align – or fall short – based on strategic priorities like networking and security integration, management options, deployment agility and post-sales support.