From rising network traffic and complex multicloud architectures to hybrid workforce demands, enterprises struggle to keep pace in today’s increasingly complex landscape.
They are balancing performance, cost control and security, as they face surging ransomware, phishing and third-party risks, according to the 2025 ISG Provider Lens™ Network – Software-Defined Solutions and Services reports by Information Services Group (ISG), a leading research and market intelligence advisory firm. Forward-thinking organizations seek to transition from rigid legacy infrastructures, while enhancing their competitiveness, ensuring business continuity and improving the customer experience.
Additional key takeaways of the ISG reports include:
- SD-WAN Transformation: The U.S. now represents over 35% of the global SD-WAN market and is the largest consumer of SD-WAN services worldwide. SD-WAN growth is fueled by its ability to provide real-time network visibility and control, enhance application performance, simplify and secure cloud migrations and seamlessly integrate with security service edge (SSE) solutions.
- SASE Momentum: Secure Access Service Edge (SASE) is no longer aspirational. It is now one of the fastest growing segments in enterprise networking. Organizations today require converged networking and security frameworks that deliver consistent protection and performance.
- Execution Enablement: As SD-networking evolves, leading enterprises are partnering with providers who deliver advisory expertise and solution lifecycle support to simplify decision-making and accelerate deployment success.
GTT’s recent study Trends and Solutions for a More Secure Perimeter revealed that undetected vulnerabilities, ransomware, data theft and network interruptions are the most pressing concerns for IT leaders. It found that to combat these threats, 35% of enterprises have implemented a SASE framework, while 42% have deployed Secure Service Edge (SSE).
Industry Leadership Recognition
ISG ranks GTT as a leader in the Managed SD-WAN and SASE quadrants in its 2025 ISG Provider Lens™ Network – Software-Defined Solutions and Services reports, which assesses over 150 providers in the U.S. and 40 providers in the U.K.
In the U.S. and U.K. Managed SD-WAN and SASE Quadrants, GTT is recognized as a “Leader.” GTT was also named a “Rising Star” in the SD-Networks Transformation Services (Consulting and Implementation) category in both the U.S. and U.K.
Download the 2025 ISG Provider Lens™ U.S. and UK Reports now to explore today’s market landscape, examine provider reviews and see where enterprise networking is headed next.
ISG 2025 SD-WAN Quadrants
ISG 2025 SASE Quadrants
