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Advanced healthchecking

Onteon Tech HA Load Balancer includes passive TCP health checks. It is delivered with ngx_stream_upstream_module with max_fails and fail_timeout parameters.

Active health checking can be provided as service engagement. For example:

  • Endpoint based health checking Lua scripts (application can be reached via load balancer only if it's health check path (e.g. /v1/health) returns status code 200).
  • OS parameters (e.g. CPU usage, Memory usage) based health checking microservice and Lua scripts (application is available via load balancer only if the machine it's running on is performing as defined).

Lua scripting

Onteon Tech HA Load Balancer includes OpenResty®, a higher level application and gateway platform using Nginx as a component. It also includes LuaJIT - Just-In-Time (JIT) compiler for the Lua programming language. Users can extend functionality of Nginx with additional existing Lua libraries and 3rd party Nginx modules.

Onteon Tech services

While HA Load Balancer is a packaged and ready to use product, Onteon Tech built it in a flexible way. It is based on Onteon platform and designed in a distributed architecture. Any special requirements customer would have will be considered by Onteon Tech. It could be using customer's own WAF or adding another "logical module" to the cluster. Thus we can deliver customized versions of HA Load Balancer.

Apart from this Onteon Tech can help customers in architecture design, deployment, configurations and other HA Load Balancers related activities.