Elastic Load Balance

Elastic Load Balance (ELB) automatically distributes incoming traffic across multiple servers to balance their workload, increasing the service capabilities and fault tolerance of your applications.

Bandwidth: Starting from ¥0.0504/Mbit/s-hour

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Product Advantages
  • Robust Performance

    ELB can simultaneously process hundred millions of connections.

  • High Availability

    ELB is deployed in cluster mode and can route traffic across AZs, facilitating disaster recovery.

  • High Scalability

    Incoming traffic is intelligently distributed to backend servers. ELB can work with Auto Scaling (AS) to flexibly expand the service capabilities of your applications.

  • Easy to Use

    Diverse set of protocols and algorithms enable you to configure traffic routing policies to suit your needs while keeping deployments simple.

Application Scenarios
  • High Traffic Websites

  • Disaster Recovery

  • Flash Sales

High Traffic Websites

High Traffic Websites

ELB intelligently distributes traffic to ensure smooth running of application services. This makes ELB the right choice for websites with a huge number of simultaneous requests.

Advantages

Flexible Expansion

ELB automatically scales according to changes in the incoming traffic.

High Performance

ELB can process hundred millions of concurrent connections.

Disaster Recovery

Disaster Recovery

ELB distributes incoming traffic across AZs, facilitating real-time disaster recovery. Enterprises like banks can use ELB to ensure high service availability.

Advantages

Flexible Expansion

ELB automatically scales its request handling capacity according to the incoming traffic.

Uninterrupted Service

ELB distributes traffic across AZs, ensuring service continuity even if an AZ becomes faulty.

Related Services

vpc

ecs

mysql

Flash Sales

Flash Sales

ELB works with AS to add more servers and balance the workload during promotion periods.

Advantages

Elastic Scaling

Servers are automatically added or removed according to changes in the service traffic.

High Availability

Server health status is regularly monitored and traffic is distributed only to healthy servers, ensuring service continuity.

High Performance

ELB can process hundred millions of concurrent connections, making it the right choice for handling a large number of access requests.

Functions

  • Multiple Protocols

    Multiple protocols are supported at layer 4 and layer 7, facilitating diverse application scenarios.

  • High Availability

    A variety of measures ensure high service availability and quality.

Multiple Protocols

  • Layer 4

    TCP and UDP are used to handle services that have a large number of access requests or require high performance.

  • Layer 7

    HTTP and HTTPS are supported, and multiple encryption protocols and cipher suites are available for HTTPS to ensure service flexibility and security.

High Availability

  • Health check

    Server health status is regularly monitored and traffic is distributed only to healthy servers, ensuring service continuity.

  • Cross-AZ load balancing

    ELB distributes traffic across AZs and ensures service continuity even if any AZ fails in the event of a disaster.

  • Sticky Sessions

    Requests from the same client are forwarded to the same server within a certain time period to ensure continuous access.

  • Elastic Scaling

    ELB automatically scales its request handling capacity and works with AS to add or remove servers to improve service flexibility and reliability.

Sticky Sessions

  • Layer 4

    Source IP addresses are used to maintain sessions at Layer 4.


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  • Layer 7

    Cookies are used to maintain sessions at Layer 7.
Elastic Scaling

  • Seamless integration

    ELB interworks with AS to adjust the number of servers according to changes in the service traffic.

  • Automatic expansion

    ELB automatically scales to the incoming traffic to ensure user experience.

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