Rootconf Delhi edition

Rootconf Delhi edition

On network engineering, infrastructure automation and DevOps

Shrey Agarwal


Load balancing: in-depth study to scale @80K TPS

Submitted Aug 21, 2019

  • Introduction to different methodologies and topologies of load balancing.
  • Discussion of pros and cons of different topologies and tech.
  • Planning and setup of the applications,

Key takeaways
* Types of loadbalancing strategies.
* Software routing , how it happens in multi tier and datacentre setups.
* How to handle extraordinary scale of TCP/Http traffic.

Intended audience
* any devops/full-stack eng. who is planning a service setup and looking for evaluation on solutions


  • Referencing the 13 yr old article of willy tarreau ( 2006 )
  • 5 categories of LB

  • Evaluation params of LBs

  • DNS Load Balancing Detail

  • Layer ¾ Loadbalancing
  • Haproxy example and monitoring params

  • Layer 7 Loadbalancing

  • Hardware and Software Routing ( setups and cases of each )

  • LVS: history and implementation

    • NAtting
    • Direct Routing
    • Tunnel Based routing
  • RP Filter

  • What to monitor
  • Interrupts handling and CPU affinity
  • HA with Keepalived and consul

  • References

Speaker bio

I am involved with researching the tech of the project, and planning the setup of tech of the project in my Org.



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