Multi-Cloud Connectivity: Network Strategy for CIOs
·2 min read·254 words
Multi-cloud connectivity strategy: 90% of enterprises will use multi-cloud in 2026. AWS Direct Connect, Azure ExpressRoute, GCP Interconnect, and Megaport fabric. Architecture, costs, and governance. A guide for CIOs.
Why Adopt Multi-Cloud
- Avoid vendor lock-in with a single hyperscaler
- Best-of-breed services (AWS AI, Azure M365, GCP analytics)
- Compliance requirements (data sovereignty and regions)
- Greater pricing leverage
- Resilience
Connectivity Options
Public Internet
- Simple, but without a strong SLA
- Variable latency
- Non-critical use cases
Direct Connect (AWS)
- Dedicated 1G-100G connection
- POP availability (Equinix Paris)
- Guaranteed latency
- Price: €1-5k/month per port
ExpressRoute (Azure)
- Equivalent to AWS Direct Connect
- Partners: Orange, Equinix, and Megaport
- Options: dedicated or provider-based
GCP Interconnect
- Dedicated (10G) or Partner (pay-per-use)
- Strong coverage in Europe
Megaport / Equinix Fabric
- Unified cloud fabric: connects AWS + Azure + GCP + Oracle through 1 port
- Provisioning in minutes
- 700+ Megaport POPs
- Price: €500/month/1G port + cross-connects
Hub-and-Spoke Architecture
- On-premises DC = hub
- Multi-cloud environments = spokes
- Interconnection through Megaport/Equinix
- SD-WAN overlay for unified connectivity
Multi-Cloud Security
- Cloud Security Posture Management (CSPM): Wiz, Orca, and Prisma Cloud
- Cross-cloud ZTNA
- Identity federation (Azure AD → AWS IAM)
- Encryption in transit + at rest
- Vulnerability scanning
FinOps Governance
- Consistent tagging across clouds
- Cost allocation by BU/project
- Reserved instance vs. on-demand optimization
- Tools: Cloudability, CloudHealth, and Apptio
- Typical savings: 15-30%
Multi-Cloud Budget for 1000 Users
- Direct Connect + ExpressRoute + GCP Interconnect: €30-50k/year
- Megaport fabric: €20-30k/year (alternative)
- CSPM tools: €40-80k/year
- FinOps platform: €20-50k/year
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