MultiPath TCP

From Gentoo Wiki
Jump to: navigation, search
Resources

MultiPath TCP (MPTCP) is an effort towards enabling the simultaneous use of several IP-addresses/interfaces by a modification of TCP that presents a regular TCP interface to applications, while in fact spreading data across several subflows. Benefits of this include better resource utilization, better throughput and smoother reaction to failures.

Installation

Get sources from mptcp or manually patch the Linux kernel.

Kernel

Now, configure the kernel with the following option:

KERNEL
Networking support (NET [=y])
  Networking options
    TCP/IP networking (INET [=y])
      [*]   IP: advanced router
        [*]     IP: policy routing
      [*]   MPTCP protocol
      [*]     MPTCP: advanced path-manager control  --->
        <*>   MPTCP Full-Mesh Path-Manager

Using Coupled Congestion Control will guarantee fairness across a shared bottleneck, enable it:

KERNEL
Networking support (NET [=y])
  Networking options
    TCP/IP networking (INET [=y])
      [*]   TCP: advanced congestion control  --->
        <*>   MPTCP COUPLED CONGESTION CONTROL
        <*>   MPTCP Opportunistic Linked Increase

External resources