SD-WAN Multicloud

Apply consistent policies to applications spread across clouds.

Software-defined WAN (SD-WAN) applies policies over compatible IP access. It suits application-based paths; distinguish networking, cloud routing and recovery.

Orchestration alone does not correct poor access, identity or security architecture.

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How it works

Apply shared policies to applications spread across clouds.

Sites and users

SD-WAN policies

Application-based path

Cloud applications

Applications do not all use the same entry

Distinguish private tenant workloads from public SaaS. The edge applies policies over compatible access; cloud integrations define how each network is reached.

Define site-to-cloud routing and cloud-to-cloud routing where supported. Tunnels or a private connection do not amount to a complete security policy.

Sites and users

SD-WAN policies

Quality and return path

Cloud applications

Observe the application and both directions

A path change can improve degraded access, but also check return routes, gateway limits and cloud-service load.

Test voice, long sessions and critical flows with the real policy. Choosing another circuit does not solve every SaaS problem.

Sites and users

SD-WAN policies

Eligible alternatives

Cloud applications

Recover the path, not recreate the application

Policy can use an operational alternative when access, routes and capacity are prepared. A cloud-region outage additionally requires an application and data plan.

Separate a circuit-failure test from recovery in another region. The latter includes dependencies outside WAN control.

Illustrative case: from situation to decision

Situation: Voice uses a public service while a critical application runs in a private cloud network.
Option: Define application policies; consider DCA Router when the need is inter-domain routing.
Check: Test each flow, its return path and the response to a circuit or region outage.

SD-WAN policy does not replace CSP configuration, security or data recovery.

Decisions for your project

Destinations: SaaS or private networks, regions and cloud-to-cloud requirements.
Policy: Application classes, access, segmentation and return routes.
Recovery: Network fallback separated from the data and application plan.

From design to operation

Pilot one application and an alternative path before extending policies across sites and clouds.

Complements, alternatives and variants

SD-WAN & SASEVariantExplains the shared policy engine and separate security controls.DCA RouterComplementManaged routing alternative or complement depending on topology.

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What happens next?

Understand the context
What’s changing, where your teams work and what cannot fail. Still defining the brief? We can help structure it.
Design the options
Bring needs, Colt capabilities and technical criteria together. Compare alternatives and explain dependencies and limits.
Validate before committing
Coverage, feasibility, responsibilities and terms. A commercial proposal is developed with the relevant specialists.

ColtPlatinum guides the project and coordinates commercial discussions and follow-up. Colt validates feasibility, enters into the service contract, and provisions, installs and delivers the services.

Availability, coverage, capabilities, SLAs and timelines are subject to technical validation and contract. No diagram is a service guarantee.