SD-WAN & SASE Consulting-Led Services

SD-WAN & SASE Consulting-Led Services

SD-WAN & SASE for predictable performance and control

When your estate spans sites, cloud platforms and remote users, stability becomes a design problem - not a ticketing problem.

FourNet designs, migrates and operates SD-WAN and SASE so critical applications perform predictably, security policy is enforced consistently, and change stays governed across every location.

And unlike a pure integrator, we can own the underlay too - FourNet Connect is our own multi-carrier network - so the circuits, the overlay and the security all sit under one accountable partner.

Book a connectivity control review

Get full control of the entire network

Done right, SD-WAN and SASE turn a sprawling estate into one controlled, predictable network, applications performing consistently, policy enforced everywhere, new sites live in days. Most estates aren’t there yet: cloud and hybrid delivery has changed the paths your applications take, so performance is uneven, controls differ between sites, and teams spend too long proving whether the network is the cause. Most estates have grown in layers, legacy WAN contracts, internet circuits added under pressure, branch security configured incrementally, monitoring that doesn’t translate into governed action. The risk isn’t “old kit”. It’s unpredictable behaviour and change that introduces new failure modes.

Measurable operational outcomes from governed SD-WAN & SASE

  • Sites

    28

    MPLS → secure SD-WAN (NRS Healthcare)

  • Availability

    99.999%

    Government-grade hosting option (ANTENNA)

  • Events a year

    25,000+

    Global streaming connectivity (DAZN)

  • Reduction in manual network admin effort

    80% ↓

    Supporting 5,000+ students (Runshaw College)

Our approach to SD-WAN & SASE

FourNet starts with evidence: which applications matter, where latency or jitter carries operational cost, how policy is applied today, and what failure looks like in the real world. We baseline performance and risk before we change routing, security, or rollout sequencing.

We then design for safe change in live estates: standard reference architectures, controlled rollout waves, and operational acceptance criteria that are agreed before cutover. Runbooks, escalation paths and monitoring ownership are defined early, so “go-live” doesn’t create a support gap. Finally, we operate and improve. SD-WAN and SASE aren’t static - they need telemetry-led optimisation, drift control, lifecycle planning and security alignment that continues after migration.

What Changes When It’s Working

When SD-WAN and SASE are working properly, network teams stop firefighting symptoms and start running a controlled service:

Book a connectivity control review

  • Fewer outages

    Outages reduce because failover behaviour is tested, measured and reviewed – not assumed.

  • Simpler scalability

    Branch onboarding is faster because sites are built from standard templates, not hand-crafted configs.

  • Improved governance

    Policy enforcement becomes consistent across sites and users, improving audit confidence.

  • Reduce incorrect configuration

    Incidents linked to configuration drift drop through validation, baselines and controlled change.

  • Predictable performance and demand

    Application performance becomes more predictable because routing decisions follow measured intent.

  • Cost-effective solutions

    Operational overhead falls as provisioning, validation and reporting become repeatable.

Measurable outcomes you can run to

Failover behaviour, routing resilience and operational recovery are designed and validated around the services that matter most — especially in real-time and public-facing environments.

  • Streaming globally in real time

    130 live casino tables

  • Government hosting option

    99.999% availability

Our SD-WAN & SASE capabilities

Modern connectivity only delivers value when it’s governed, automated and operated as a service. These are the building blocks we combine to fit your estate and risk profile.

  • Connectivity architecture & migration planning

    Application-led design, baselining, and phased migration planning that protects live services. Includes controlled rollout waves and acceptance criteria so failover, routing and policy behave as intended before you scale change.

  • A governed connectivity operating model

    Standard reference architectures, configuration baselines and policy normalisation that reduce drift and "one-off" exceptions. Change is structured through governance forums, with decisions recorded and measurable outcomes reviewed.

  • Delivered through BluePrint

    BluePrint is FourNet's way of designing, governing and evolving network estates over time. It uses phased roadmaps, telemetry-led optimisation, progressive hardening and operational runbooks to keep distributed estates stable and safe to change.

  • Automation as a control layer

    Automated provisioning and zero-touch deployment, policy-as-code, configuration validation, drift detection and remediation. Automation is applied where it reduces manual workload and lowers change risk – not as a tooling exercise.

  • Security built into the fabric

    Identity-aware access control, segmentation alignment, continuous telemetry and integration with security monitoring. Connectivity is treated as part of cyber defence, with clear handoffs and playbooks for investigation and response.

  • From transition to managed optimisation

    Structured service take-on, operational readiness, reporting and service reviews – then continuous optimisation cycles. Customer Success engagement is used where adoption and value realisation need sustained focus, not just technical support.

Make connectivity predictable again

A short review will show where performance and policy drift are coming from - and what to fix first.

Our Approach

  • Discovery

    Discuss your challenges and goals with us.

  • Analysis

    Thorough examination of your current network and cloud estate.

  • Roadmap

    A tailored plan for resilient, secure connectivity you can run and improve.

We bring governed delivery and long-term accountability to distributed estates across:

Partners

We’re vendor-agnostic by design. We work with the SD-WAN, security and cloud platforms that fit your operational and risk requirements - a Magic Quadrant leader, a challenger, or our own technology - and integrate them into one governed operating model you can run and audit. And unlike a pure SD-WAN integrator, we can own the underlay too: FourNet Connect is our own multi-carrier “network of networks” - Gamma, BT Wholesale, Virgin Media and Convergence Group - with dual UK data centres and up to 99.999% availability. So the circuits, the overlay and the security can all sit under one accountable partner.

What sets FourNet apart

FourNet isn’t measured by how quickly we can deploy devices. We’re measured by how reliably your estate performs — and how safely it evolves.

  • Engineered for safe change

    Controlled rollout waves, baselines and acceptance criteria reduce the risk of destabilising live services. Governance is designed in, not bolted on later.

  • Operate + improve, not install + leave

    We run connectivity as an accountable service with performance reporting, service reviews and improvement actions tracked over time – preventing slow degradation through unmanaged change.

  • Automation discipline that reduces workload

    Provisioning, validation and drift control are automated where it lowers overhead and change risk. This is how distributed estates stay consistent at scale.

  • Security integration that supports defence

    SASE is delivered with identity-aware control and SOC alignment, so network signals and policy context support faster investigation and response – not a separate silo.

  • AI Applied Practically

    AI can accelerate insight where it's governed: spotting anomalous traffic patterns, supporting triage, and highlighting emerging risk or capacity issues. We apply it with clear oversight and ownership, so it speeds decisions without replacing engineering judgement or operational accountability. 

FAQs

  • How is this different from a typical SD-WAN integrator?

    Most SD-WAN integrators configure an overlay on circuits they don't own, so when something breaks, you're back to coordinating carriers yourself. We can own the underlay too, through our own FourNet Connect network, and run it as a governed service with our own 24/7 UK NOC and SOC. Cyber, network and AI sit under one accountable partner – no seam, and no vendor blame game when something needs fixing.

     

  • What does “Delivered through BluePrint” mean in practice?

    BluePrint is a staged way of working for distributed network estates. We start by baselining what matters, then build a phased evolution roadmap. Telemetry drives optimisation decisions, hardening is delivered progressively, and automation reduces manual workload. Runbooks, operational governance and clear ownership are established early so day-two operations remain predictable.

  • How do you make automation real, not just a promise?

    We make automation visible in delivery and operations: standardised templates, automated provisioning and zero-touch deployment, policy-as-code where appropriate, configuration validation, and drift detection with defined remediation paths. The aim is fewer manual steps, fewer errors, and faster repeatable site delivery – particularly during rollout waves. 

     

  • How do SD-WAN and SASE connect to security operations?

    SASE only works when security and connectivity are treated as one control framework. We align identity-aware access and segmentation intent with central policy enforcement, then integrate telemetry into monitoring and incident workflows. SOC processes and SIEM ticketing are aligned so investigations have the right context and escalations follow defined playbooks. And as you add AI, security has to scale with it – agentic AI acts as a new kind of identity, so we govern machine identities alongside human ones with full observability.

     

  • What happens after migration - who owns performance and improvement?

    We plan transition into service from the start: operational readiness, agreed acceptance criteria, and structured service take-on so support isn't improvisational after cutover. Ongoing Service Delivery Management provides reporting, service reviews and tracked improvement actions. Where value realisation depends on adoption and change, Customer Success engagement adds a structured success plan and optimisation cadence.