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Elastic Load Balancing (Supported protocols (Layer 4 (TCP
SSL), Layer 7…
Elastic Load Balancing
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idle connection timeout
- default: 60 sec
- recommended keep-alive on the server side
- elb maintains 2 connections: with client and server
Connection draining
- disabled by default
- default value 300 sec
- can be configured from 1 to 3600 seconds
proxy protocol
- adds a header
- shouldn't be used behind proxy server, this may result with 2 headers with the same name and errors on the server side
sticky sessions
- can use own cookie AWSELB
- can be configured to use app's cookie
Health checks
- status: InService or OutOfService
- via ping, page get status or connection attempt