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.

Product Advantages
  • Robust Performance

    ELB is able to process hundred millions of concurrent connections.

  • High Availability

    ELB is deployed in cluster mode and can route traffic to healthy servers in different availability zones for smooth disaster recovery.

  • High Scalability

    Incoming traffic is intelligently distributed to servers. Deep integration with Auto Scaling flexibly expands service capabilities.

  • Easy to Use

    A 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 applications, making it the right choice for websites with an extremely large number of simultaneous requests.

Advantages

Flexible Expansion

ELB monitors traffic and automatically scales as traffic changes.

High Performance

ELB is capable of processing hundred millions of connections simultaneously.

Related Services

VPC

ECS

Anti-DDoS

Disaster Recovery

Disaster Recovery

ELB can distribute incoming traffic across availability zones, offering high service availability to enterprises like banks.

Advantages

Flexible Expansion

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

Uninterrupted Service

ELB distributes traffic to servers in multiple availability zones, and services will continue even if an availability zone becomes faulty.

Related Services

VPC

ECS

Flash Sales

Flash Sales

ELB works with Auto Scaling to balance the number of servers during promotion periods that feature sudden spikes.

Advantages

Elastic Scaling

Servers are automatically added or removed according to changes in the amount of incoming 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.

Related Services

vpc

ecs

as

obs

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 with a large number of access requests, or those require high performance.

  • Layer 7

    Both HTTP and HTTPS are supported. 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 availability zones and ensures service continuity even if an availability zone fails because of a disaster.

  • Sticky Sessions

    Requests from a client for a particular session are forwarded to the same backend server to ensure that the client has continuous access.

  • Elastic Scaling

    ELB automatically scales its request handling capacity and combines with Auto Scaling to improve service flexibility and reliability.

Sticky Sessions

  • Layer 4

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

  • Layer 7

    Cookies are used to maintain sessions at Layer 7.

Elastic Scaling

  • Seamless Integration

    Auto Scaling automatically adjusts the number of servers as necessary to cope with varying levels of workload.

  • Automatic Expansion

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

Usage Guides

Coupon Packages of $1600 USD for New Customers

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