Dedicated Load Balancer General Availability
Flexible Engine
Release Notes
September, 2022
We are pleased to announce you that the Dedicated Load Balancer launched in Beta mode during the 1st half of May 2022 is now in general availability. The service is now fully supported. You can find the price list on Flexible Pricing list.
Each Elastic Load Balancer service has its advantages for different requirements.
- Shared Load Balancer is suitable for web services with heavy traffic. This type of load balancer is capable of forwarding requests based on domain names or URLs to meet your needs. Resources are shared among load balancers, and the performance of a load balancer instance may be affected by other load balancer instances. Shared Load Balancer service was previously named Enhanced Load Balancer.
- Dedicated Load Balancer allows you to have exclusive use of resources, so that the performance of a dedicated load balancer instance is not affected by other load balancer instances. In addition, there is a wide range of specifications available for selection. Dedicated Load balancers provide more powerful forwarding performance, support cross-AZ deployment and IPv4/IPv6 dual stack.
Further information is available in the service description, user manual, or from our support team.
| Feature | Shared Load Balancer | Dedicated Load Balancer |
| IPv4/IPv6 dual-stack | — | Supported |
| cross-region load balancing | — | Supported |
| AZ Affinity | — | Supported |
| QoS Guarantee | — | Supported |
| TLS 1.3 support | — | Supported |
| HTTPS listeners with HTTPS backend | — | Supported |
| Public and private network load balancing | Supported | Supported |
| Layer 4 (TCP or UDP) and Layer 7 load balancing (HTTP or HTTPS) | Supported | Supported |
| Load balancing algorithm (round robin, least connections, and source IP hash) | Supported | Supported |
| SSL offloading (HTTPS to HTTP) | Supported | Supported |
| Sticky session | Supported | Supported |
| WebSocket protocol | Supported | Supported |
| Forwarding based on domain name and URL | Supported | Supported |
| HTTP/2 | Supported | Supported |
| Elastic Cloud Servers (ECSs) as backend servers | Supported | Supported |
| Bare Metal Servers (BMSs) as backend servers | Supported | Supported |
| Access control (whitelist) | Supported | Supported |
| Standard OpenStack APIs | Supported | Supported |
| SNI（Server Name Indication） | Supported | Supported |
| Define SSL protocol and SSL cipher algorithms | Supported | Supported |
| Access logs | Supported | Supported |
| Weight assigned for backend servers | Supported | Supported |
| Change SSL certificates | Supported | Supported |
| SSL mutual authentication | Supported | Supported |
| HTTP Redirects & HSTS | Supported | Supported |
| Convert between Public ELB and Private ELB | Supported | Supported |
| Client IP address transparent transmission | Supported | Supported |