After you create an Edge Load Balancer (ELB) instance, configure at least one listener to define how requests are forwarded to backend servers.
ELB supports Layer 4 (TCP and UDP) and Layer 7 (HTTP and HTTPS) listeners. Select a listener type based on your scenario.
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Listener type |
Scenario |
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Suitable for scenarios that prioritize reliability and data accuracy over speed, such as file transfers, email, and remote logons. |
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Suitable for scenarios that prioritize real-time performance over reliability, such as video chats and real-time financial data streaming. |
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Suitable for applications that need to inspect data content, such as web applications. |
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Suitable for applications that require encrypted data transmission. |
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ELB checks the availability of backend ENS instances through health checks, improving overall service availability and reducing the impact of server failures. |