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High Availability

Provides up to 99.95% availability. With the help of health check mechanism, abnormal cloud servers are automatically blocked, the business from failed servers is instantly transferred, ensuring business continuity of backend servers.

Flexible Configuration

Users can freely configure scheduling algorithms, protocol types, forwarding strategies, etc., to meet the needs of different scenarios.

Rational Allocation Of Resources

Combined with flexible scaling, cloud servers can be created and released automatically. Web servers in the access layer can increase or decrease in number with the change in business access pressure, enable computing resources to be allocated in a rational manner and IT costs can be effectively reduced.

Low Cost

Users do not have to invest in additional load balancing hardware, providing quick and easily accessed services, with streamlined operation and maintenance.


  • Multi-protocol Support

    Diverse protocol support to meet various business needs.

    • 4 layer load balancing: 4 layer load balancing supporting TCP,UDP protocol to meet the business requirements of high performance and large-scale concurrent connections.
    • 7 layer load balancing: 7 layer load balancing supports HTTP protocol and HTTPS protocol, provides a variety of encryption protocols and encryption kits for HTTPS protocol to meet flexible and secure business requirements.
  • Flexible Scaling

    Seamless integration with flexible scaling services to automatically expand load distribution and backend processing capacity according to business traffic to ensure flexible business availability.

    • Support interfacing with auto scaling services, and flexibly adjust the number of backend cloud servers according to actual business volume.
    • Automatic expansion: according to the actual traffic of users, automatically expand load balancing distribution capacity to ensure excellent business experience.
  • High Availability

    Provide health checks to ensure service quality of the business.

    • Health check: regularly checking the operation status of backend cloud servers. When abnormality of cloud servers are detected, the traffic will be forwarded to other normal cloud servers to ensure the high availability of users’ business.
  • Flexible Scheduling

    Multiple scheduling algorithms and forwarding modes are supported for more flexible application.

  • Session Persistence

    Forwarding access requests from the same user to the same backend cloud server for processing within a certain period of time, ensuring the continuity of user access.

    • 4 layer session persistence: 4 layer (TCP,UDP protocol) load balancing provides session persistence through source IP addresses.
    • 7 layer session persistence: 7 layer (HTTP protocol, HTTPS protocol) load balancing provides session persistence through Cookie.
  • Transparent Proxy

    Through transparent proxy, the back-end cloud server of the listener can obtain the real IP of the client to meet custom needs.


  • Traffic Distribution
  • Horizontal Expansion
  • Business Separation
  • After the public network IP and the website domain name for load balancing are set up, only one public network IP is needed to virtualize multiple web access layer servers into a high-performance and highly available access layer service pool. All public network requests enter through the load balancer, which not only secures but also require less public network IP addresses.
  • For scenarios with large-scale users access concurrency, such as news portals, load balancing will ensure that users’ requests will be uniformly forwarded to each access layer server. Access layer servers can be hosted by low-cost and consistent virtual machines.
  • Cloud load balancing is combined with flexible scaling to automatically create and release cloud servers. The access layer web server can increase or decrease in number with the change in business access pressure.
  • For scenarios with a sudden increase of web access and lasts only a few hours, namely major promotions such as 11.11 and 6.18 online retail events in the e-commerce industry, the use of load balancing and flexible scaling can maximize IT cost savings.
  • For typical WEB services such as forums and websites, it is recommended to separate different services such as image services and text services to facilitate iterative web page development.
  • Service separation can be achieved through load balancing 7 layer forwarding strategy and forwarding group. Each probe’s associated forwarding group is independent of each other as an independent business cluster.

Customer Cases

  • 聚好看
  • 富士胶片
  • 长安汽车
  • 易网聚鲜