The Ultimate Guide to Software Defined Wide Area Network

2026 · UK Edition

Also known as SD-WAN.

Software Defined Wide Area Network (SD-WAN) represents a transformative approach to managing and optimizing enterprise wide area networks (WANs) by using software-based technologies. SD-WAN simplifies the connectivity of branch offices, data centers, cloud services, and remote users, enhancing flexibility, reducing costs, and improving network performance. This technology decouples the networking hardware from its control mechanism, allowing companies to centrally manage traffic, optimize bandwidth use, and support cloud applications more effectively.

Our recent stories delve into various facets of SD-WAN, showcasing its rising adoption across industries and regions. Topics include how SD-WAN facilitates global operations with efficient WAN optimization, the integration of security features, the transition challenges from traditional MPLS networks, and the role of AI and intent-based networking in advancing SD-WAN capabilities. We also explore partnerships and innovations among key vendors, managed service offerings, and the impact of SD-WAN on enabling cloud-first strategies, unified communications, and enhanced user experiences.

Readers interested in the evolving landscape of networking technology will find insights into how SD-WAN addresses the demands of digital transformation, mobile workforces, multi-cloud environments, and changing security paradigms. Whether you’re an IT professional, decision-maker, or business leader, these stories provide practical knowledge on deploying, securing, and maximizing the benefits of SD-WAN solutions for modern enterprise networks.

UK Software Defined Wide Area Network news
Analyst Insights
Cato Networks' ARR surges past USD $350m amid SASE boom
Gartner · SD-WAN · Firewalls
Last week
Fortinet reports strong Q3 revenue growth & SASE adoption surge
Gartner · SD-WAN · Firewalls
Fri, 7th Nov 2025
Fortinet named leader in Gartner's 2025 hybrid mesh firewall
Gartner · SD-WAN · Firewalls
Thu, 28th Aug 2025
Netskope named leader in SASE & SSE by major industry analysts
Gartner · SD-WAN · UC
Wed, 13th Aug 2025
Fortinet lifts outlook as quarterly revenue climbs to USD $1.63bn
Gartner · SD-WAN · Firewalls
Thu, 7th Aug 2025
Expert columns
Navigating the fragmented future: why enterprise connectivity needs a rethink
By Michel Muizer of Expereo
Fri, 30th Jan 2026
Everyone's talking about SASE. Few understand what it really takes
By Craig Taylor of Vectec
Fri, 21st Nov 2025
The AI fintech advantage: From transaction to decision in milliseconds
By Julian Jacquez of BCN
Wed, 19th Nov 2025
Recent news
Cloudflare adds quantum-safe encryption across SASE
About Firewalls
Last week
Ubigi, Tripsora tie eSIM data to AI travel planning
About Unified Communications
Last month
Kingspan Insulation taps Expereo for global SD-WAN revamp
About Software-as-a-Service
Last month
Expereo enhances expereoOne with digital case tool
About Network Infrastructure
Last month
Expereo & Cato unite to simplify global WAN security
About Cloud Services
Last month
AI, hybrid cloud spur security shift to consolidation
About Cloud Services
Last month
IP Fabric boosts Azure & Google Cloud network insight
About Firewalls
Fri, 16th Jan 2026
F5 boosts API security & networking in cloud update
About Virtualisation
Fri, 9th Jan 2026
Aryaka predicts AI-led overhaul of SASE & enterprise security
About Firewalls
Mon, 15th Dec 2025
Expereo to manage Kingspan Light, Air + Water network
About Unified Communications
Wed, 10th Dec 2025
SonicWall launches TZ80 firewall to simplify small office security
About Firewalls
Tue, 2nd Dec 2025
Netskope & Microsoft boost data security across AI & cloud
About Software-as-a-Service
Fri, 21st Nov 2025
Versa & Microsoft enhance SASE with automated SD-WAN integration
About Firewalls
Fri, 24th Oct 2025
Hammer partners with iQuila to deliver secure unified networking
About Unified Communications
Fri, 24th Oct 2025
Aryaka launches enhanced partner programme for EMEA & APAC
About Education, Learning & Training
Thu, 16th Oct 2025
Job moves
Expereo appoints Noel Hamill as Chief Marketing Officer to lead growth
Move at Expereo
Fri, 7th Nov 2025
MEF appoints Kelly Ahuja, Kailem Anderson & Ari Banerjee as senior executives
Move at Metro Ethernet Forum
Fri, 6th May 2022
MEF appoints Technology Advisory Board as Senior executives
Move at Metro Ethernet Forum
Fri, 6th May 2022
Top players
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