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What Is Multi-Path TCP? The Key to Faster and More Reliable Network Performance

johny899

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Have you been in the middle of having a video conference, or while in the middle playing a multi-player game, when suddenly the Wi-Fi drops out? Pretty frustrating, right? This is where Multi-Path TCP (MPTCP) enters the scene. Multi-Path TCP is a more intelligent way of moving data on the Internet that is faster, more reliable, and ready for the future.

What Is Multi-Path TCP?​

Usually, the TCP (Transmission Control Protocol) only sends the data down one path – you can think of it this way like driving down one road. If that road is blocked, then your data cannot get to its destination.

With MPTCP, there are multiple paths opened at the same time. For example, your phone can be using Wi-Fi while still having mobile data available. If Wi-Fi gets weak, your mobile data is still available to keep things connected.

You could imagine this similar to delivering a package where instead of using one route to deliver a package to a city you take two alternate routes to ensure the package is delivered on time. Straight forward and intelligent.

Reasons Why MPTCP Is Important​

MPTCP is important because it enhances speed and minimizes interruptions in connectivity.

Advantages of MPTCP:​

Acts Faster: MPTCP combines data from a Wi-Fi network with mobile data to gain more bandwidth.

No Interruptions: If the Wi-Fi network goes down, MPTCP quickly switches to mobile data without losing connectivity.

Better Use of Resources: MPTCP intelligently moves data aggregately, using each network connection effectively so that no network gets overwhelmed.

You have probably seen your phone switching from Wi-Fi while loading or streaming, that is the kind of intelligent behavior that MPTCP brings to larger infrastructure like cloud servers or data centers.

Where MPTCP Is Advantageous​

MPTCP is not only used on smartphones. MPTCP is used for:

Cloud and VPS Hosting: Mitigate downtime for websites and servers enterprise-grade availability relies on.

IoT Devices: Helps smart devices stay connected, at all times.

Remote Work and Streaming: Provides better quality video calls and no buffering for streaming even over degraded internet connections.

Imagine a scenario where your VPS hosting operation is never down and MPTCP is what is working behind the scenes.

The Future of MPTCP​

Definitely anytime. With the growth of 5G, cloud computing, and smart devices, MPTCP is more important than ever. Companies such as Apple and Google are implementing MPTCP for higher throughput and reliability of their systems.