When we connect on-prem applications to cloud services, we have two options - a) Connect to the cloud service provider through the internet OR b) setup a dedicated network link between your data centre and the cloud provider.
Setting up a private network connection between your site and the cloud provider enables extremely low latency, increased bandwidth and a more consistent network performance.
Many enterprises are adopting a multi-cloud strategy and in such cases also, it is imperative that there is no latency between service calls across the cloud providers. Hence it makes sense to leverage a SDCI (software defined cloud interconnect) to connect between the hyperscalers.
Such networking services are provided by hyperscalers themselves or by dedicated network companies. Given below are links to some of the providers in this space.
- AWS Direct Connect: https://aws.amazon.com/directconnect/faqs/
- Azure ExpressRoute: https://azure.microsoft.com/en-gb/services/expressroute/#overview
- GCP Cloud Interconnect: https://cloud.google.com/network-connectivity/docs/interconnect/concepts/dedicated-overview
- Intercloud SDCI: https://blog.intercloud.com/. Intercloud also is a approved provider of AWS Direct Connect in Europe.
- Cisco SDCI: https://www.cisco.com/c/en/us/solutions/enterprise-networks/sd-wan/what-is-sdci.html
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