How do bandwidth options and pricing models differ?

AWS Direct Connect offers 1, 10, and 100 Gbps dedicated connections plus hosted connections from 50 Mbps to 10 Gbps, charging per port-hour plus data transfer. Azure ExpressRoute offers 50 Mbps to 10 Gbps circuits with metered or unlimited data plans and optional Global Reach add-on. GCP offers Dedicated Interconnect (10 or 100 Gbps) and Partner Interconnect (50 Mbps to 50 Gbps), charging per VLAN attachment plus egress. OCI FastConnect offers 1, 2, 5, and 10 Gbps with no data transfer charges (a significant cost advantage). All providers also charge for the cross-connect at the colocation facility.

How should I design for high availability?

All providers recommend at least two circuits from diverse locations for production workloads. AWS recommends two Direct Connect connections at different DX locations. Azure recommends two ExpressRoute circuits at different peering locations with route diversity. GCP recommends Interconnect connections in two different edge availability domains. OCI recommends two FastConnect circuits through different providers or locations. For critical workloads, also maintain a VPN backup that activates if all dedicated connections fail. Each provider offers SLA credits only when you deploy the recommended redundant configuration.

Multi-Cloud Private Connectivity Compare

NetworkingMulti-Cloud

Compare dedicated connectivity services (Direct Connect, ExpressRoute, Interconnect, FastConnect).

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Showing 20 of 20 features.

Feature	AWS	Azure	GCP	OCI
Service Name Core Features	AWS PrivateLink	Azure Private Link	Private Service Connect	OCI Private Endpoint
Connection Model Core Features	Interface VPC endpoints create ENIs in consumer VPC	Private endpoints with NIC in consumer VNet subnet	Service attachments with forwarding rules and NAT subnets	Private endpoints in customer VCN subnets
Supported Targets Core Features	AWS services, customer services behind NLB or GWLB	Azure PaaS, customer services behind Standard LB	Google APIs, published services behind ILB	OCI services, customer services in other VCNs
Cross-Region Support Core Features	Inter-region peering required; no native cross-region PrivateLink	Global Private Link for cross-region access via Global VNet Peering	Global access flag allows cross-region connectivity	Remote peering with DRG for cross-region private access
Pricing Model Core Features	Per VPC endpoint per AZ per hour + data processing per GB	Per private endpoint per hour + data processing per GB	Per forwarding rule per hour + data processing per GB	Per private endpoint per hour; no data processing charge
DNS Integration Architecture	Route 53 private hosted zones with alias records for endpoints	Azure Private DNS zones with auto-registration	Automatic DNS registration in Cloud DNS private zones	Private DNS views in VCN resolver configuration
IP Address Management Architecture	Consumer ENIs get private IPs from VPC subnet CIDR	Private IPs allocated from subnet; static or dynamic	Consumer IP from subnet; producer sees NAT IP range	Private IP from VCN subnet; supports secondary IPs
Multi-AZ / High Availability Architecture	Deploy endpoints in multiple AZs; AZ-affine routing	Automatically zone-redundant in supported regions	Automatic HA across zones; regional service attachments	AD-aware placement with fault domain distribution
Bandwidth Limits Architecture	Up to 100 Gbps per endpoint (scales with ENIs)	No explicit bandwidth cap; limited by VM/NIC throughput	Up to 100 Gbps; scales with VM instance tier	Up to 25-50 Gbps depending on endpoint shape
Service Marketplace Architecture	AWS Marketplace integrations via PrivateLink-enabled services	Private Link Partner Services for third-party SaaS	Service Directory for published Private Service Connect services	OCI Marketplace services accessible via private endpoints
Access Control Security	VPC endpoint policies (IAM JSON) restrict API access	NSG on private endpoint subnet; RBAC for management	Consumer accept/reject lists by project; IAM roles	Security lists and NSGs; IAM policies for management
Data Exfiltration Prevention Security	Endpoint policies deny access to unauthorized resources	NSG + UDR enforcement; data exfiltration protection flag	VPC Service Controls perimeter for Private Service Connect	Network security groups restrict egress; service gateways
Traffic Encryption Security	TLS between consumer and service; no automatic encryption layer	TLS enforced; supports mTLS for custom services	TLS by default; optional mTLS with Certificate Authority Service	TLS enforced for all PaaS endpoints; configurable for custom
Audit & Logging Security	VPC Flow Logs capture endpoint traffic; CloudTrail for API calls	NSG flow logs and Azure Monitor diagnostics	VPC Flow Logs and Private Service Connect audit logs	VCN Flow Logs and OCI Audit service for API events
Terraform Support Operations	aws_vpc_endpoint, aws_vpc_endpoint_service resources	azurerm_private_endpoint, azurerm_private_link_service	google_compute_service_attachment, forwarding_rule	oci_core_private_endpoint, oci_core_service_gateway
Service Publishing Operations	Create endpoint service backed by NLB or GWLB; share via allowlisting	Create Private Link Service backed by Standard LB	Publish via service attachment on producer ILB	Publish via private endpoint service configuration
Connection Approval Operations	Manual or auto-accept modes per endpoint service	Manual approval or auto-approval by subscription	Accept/reject lists by consumer project number	Approval via IAM policy or manual accept in console
Monitoring Operations	CloudWatch metrics: bytes in/out, active connections, new connections	Azure Monitor metrics: bytes in/out, NAT port allocation	Cloud Monitoring: connection count, bytes, latency metrics	OCI Monitoring: bytes transferred, connection counts
Quota Defaults Operations	50 Gateway + 50 Interface endpoints per VPC (adjustable)	1000 private endpoints per subscription (adjustable)	Varies by project; adjustable via quota increase	10 private endpoints per VCN (adjustable via SR)
Hybrid Connectivity Operations	Accessible over VPN or Direct Connect from on-premises	Reachable via ExpressRoute or VPN Gateway from on-premises	Accessible via Cloud VPN or Interconnect from on-premises	Reachable over FastConnect or IPSec VPN from on-premises

About This Tool

Dedicated private connectivity services — AWS Direct Connect, Azure ExpressRoute, GCP Cloud Interconnect, and OCI FastConnect — bypass the public internet to provide reliable, high-bandwidth, low-latency connections between on-premises networks and cloud environments. Each service has different bandwidth options (from 50 Mbps to 100 Gbps), pricing models, redundancy architectures, and partner ecosystems. This comparison tool helps you evaluate private connectivity options across clouds for hybrid and multi-cloud architectures, covering circuit types, peering models, failover configurations, and cost structures.

When to Use This Tool

•Comparing bandwidth tiers and pricing across Direct Connect, ExpressRoute, Interconnect, and FastConnect for a hybrid migration
•Understanding redundancy and failover architectures — single vs dual circuits, same facility vs diverse facilities — across providers
•Evaluating partner ecosystems and available peering locations for each cloud in your geographic region

Frequently Asked Questions

How do bandwidth options and pricing models differ?: AWS Direct Connect offers 1, 10, and 100 Gbps dedicated connections plus hosted connections from 50 Mbps to 10 Gbps, charging per port-hour plus data transfer. Azure ExpressRoute offers 50 Mbps to 10 Gbps circuits with metered or unlimited data plans and optional Global Reach add-on. GCP offers Dedicated Interconnect (10 or 100 Gbps) and Partner Interconnect (50 Mbps to 50 Gbps), charging per VLAN attachment plus egress. OCI FastConnect offers 1, 2, 5, and 10 Gbps with no data transfer charges (a significant cost advantage). All providers also charge for the cross-connect at the colocation facility.
How should I design for high availability?: All providers recommend at least two circuits from diverse locations for production workloads. AWS recommends two Direct Connect connections at different DX locations. Azure recommends two ExpressRoute circuits at different peering locations with route diversity. GCP recommends Interconnect connections in two different edge availability domains. OCI recommends two FastConnect circuits through different providers or locations. For critical workloads, also maintain a VPN backup that activates if all dedicated connections fail. Each provider offers SLA credits only when you deploy the recommended redundant configuration.

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