While a VPN is useful for multicloud networks, IT teams still need to be careful to avoid high traffic charges, as applications move from one provider to another.
One of the most important — and most complex — concepts in multicloud is network integration between public cloud providers. This model facilitates cross-cloud load balancing and failover but, without careful planning, can also lead to hefty network integration costs.
Nearly all enterprises have a virtual private network (VPN) that connects their sites, users, applications and data center resources. When they adopt cloud computing, they often expect to use that VPN to connect their public cloud resources as well. Many cloud providers have features to facilitate this, and even when they don’t, it’s usually possible to build VPN support into application images hosted in the cloud.
More of the TechTarget article from Tom Nolle