Bufferbloat

  • What is the bufferbloat? In the internet, large buffer is used everywhere:

    • PC
    • Router/Swtich/ISP
    • Server

    The large may cause delay.

  • Why the bufferbloat still with us and made increaingly critical by two trends?

    • Cheap memory.
    • Complicate network paths.

  • How to sloves the problem? AQM(active queue management) is the known solution, but it’s difficult to implement, so even it has been known two decades but still not been widely deployed.