Instance Type Comparison
Last updated: 2025-06-30 16:50:20
Global Accelerator provides comprehensive access services for your business. This document describes the differences in features and billing among different types of acceleration instances. Global Accelerator supports three instance types: GAAP, Global Accelerator 2.0, and layer-3 acceleration instances.
Global Accelerator 2.0: Provides layer-4 and layer-7 acceleration capabilities and supports the TCP/UDP/HTTP/HTTPS protocol acceleration. Multiple acceleration regions and one origin server region can be added for an instance to achieve many-to-one acceleration.
GAAP: Provides layer-4 and layer-7 acceleration capabilities and supports the TCP/UDP/HTTP/HTTPS protocol acceleration. One acceleration region and one origin server region can be added for an instance to achieve one-to-one acceleration.
Layer-3 acceleration instance: Provides layer-3 acceleration capability based on the IP (Internet Protocol). One acceleration region and one origin server region can be added for an instance to achieve one-to-one acceleration.
Comparison of Features | Global Accelerator 2.0 | GAAP | Layer-3 Acceleration Instance |
Product positioning | Provides layer-4 and layer-7 acceleration capabilities. A single instance supports access from multiple acceleration regions and origin-pulls to the same origin server region, providing a many-to-one and end-to-end acceleration network. | Provides layer-4 and layer-7 acceleration capabilities. A single instance supports access from one acceleration region and origin-pulls to the same origin server region, providing a one-to-one and end-to-end acceleration channel. | Provides layer-3 acceleration capability only. A single instance supports access from one acceleration region and origin-pulls to the same origin server region, providing a one-to-one and end-to-end acceleration channel. |
Enterprise authentication | Enterprise authentication not required. | Enterprise authentication required. | Enterprise authentication not required. |
Balance freeze | × | ✓ | × |
Multi-region access | ✓ | × | × |
Access IP address type | BGP Dedicated BGP. | BGP Dedicated BGP. CTCC/CUCC/CMCC. | BGP CTCC/CUCC/CMCC. |
Unified domain name | ✓ | × | × |
CTCC/CUCC/CMCC node | Not supported | ✓ | ✓ |
Backend service type | Custom public IP address. Custom domain name. | Custom public IP address. Custom domain name. | ENI |
Security management | Anti-DDoS Basic. | Anti-DDoS Basic. Anti-DDoS Basic Enhanced Edition. | Anti-DDoS Basic. |
Access control | ✓ | ✓ | × |
Layer-7 forwarding (HTTP/HTTPS) | ✓ | ✓ | × |
Layer-4 forwarding (TCP/UDP) | ✓ | ✓ | × |
Session persistence | ✓ | ✓ | × |
Health check | ✓ | ✓ | × |
Obtaining client source IP address | Layer-4: Proxy Protocol. Layer-7: X-Forwarded-For. | Layer-4: Proxy Protocol and TOA. Layer-7: X-Forwarded-For. | × |
Custom forwarding rules (domain name/URL) | ✓ | ✓ | × |
Port mapping | ✓ | ✓ | × |
Public network origin-pull | ✓ | ✓ | × |
Private network origin-pull | × | × | ✓ |
Cross-border acceleration | ✓ | ✓ | × |
Note:
The Global Accelerator 2.0 and layer-3 acceleration instance features are in grayscale release. If you need them, submit a ticket for application.
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