Cloud & applications

Moving an application to the cloud changes how you reach it.

When an application moves to the cloud, decide which users and data need private access and which will keep using Internet. Start with the origin, region and traffic flows of your project.

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Colt capabilities to consider

Dedicated Cloud AccessConnect the office or data centre to your cloud over a private path.Cloud On DemandAdapt cloud connectivity to a migration or temporary demand.DCA Ethernet / WaveChoose cloud connectivity by the interface and control you need.DCA RouterConnect cloud networks with defined routes and responsibilities.SD-WAN MulticloudApply consistent policies to applications spread across clouds.Private & Public CloudDecide where each workload runs and who operates it.

Private path and Internet

Office / site

Private path

Compatible workloads

Internet

Other services and flows

The private path does not replace Internet. Validate compatibility, region and each flow.

How it works · DCA Router

See DCA providers and scope

When it matters

Choose the path for each flow, as well as the cloud provider.

Migrating an application: Plan connectivity from the office or data centre while the old and new environments coexist.
Working across clouds: Map who communicates with whom; connecting platforms and applying user policies are separate decisions.
A slow public application: Measure the path and performance: not every Internet-accessible service supports a private connection.
Moving data between regions: Record volumes, transfer windows and destinations to size the path and check each platform’s dependencies.

Criteria for your project

Origin and destination: Identify the office or data centre, provider and region to check the available cloud entry point.
Which flows are private?: Separate internal applications, browsing and backups instead of sending all traffic along one path by default.
Who manages routing?: Review source and destination networks, overlapping addresses and ownership to compare self-managed and managed routing.
How much capacity, and when?: Provide volumes, transfer windows and peaks to compare sustained capacity with eligible temporary adjustments.
How does service recover?: Define what happens if a connection or region fails; test application recovery as well as network recovery.

AWS · Microsoft Azure · Google Cloud · Oracle OCI · IBM Cloud · OVHcloud

See DCA providers and scope

Questions worth asking

Does Dedicated Cloud Access remove Internet?

No. Dedicated Cloud Access (DCA) provides a private path to supported clouds; browsing and other services may still use Internet. Identify application flows and dependencies to decide which path each needs.

How do we check available clouds and regions?

Specify the origin, provider and region: the general catalogue does not establish every combination. These details allow the entry point, service option and connection within the cloud to be checked before a proposal is prepared.

An isolated product is rarely the complete answer.

Application migration

Illustrative case: an internal application moves to the cloud. DCA provides the private path, routing directs flows and rules limit access. Keep Internet for other uses and test coexistence before the change.

Office / site

Private path

Compatible workloads

Internet

Other services and flows

The private path does not replace Internet. Validate compatibility, region and each flow.

Operational multicloud

Illustrative case: two platforms need to exchange data. Compare DCA Router for managed routing and SD-WAN Multicloud if application policies are also needed. Map permitted flows and test return traffic and connection failure.

Explore Colt’s sources

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

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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.