TTL (Time to Live) is a parameter in network protocols that defines the time or the number of "hops" (transitions between routers) during which data can travel through the network before it is automatically discarded. This mechanism helps prevent infinite forwarding of packets in case of routing errors.

What is it used for?

TTL is used to control the lifespan of data in a network, preventing congestion and traffic loops. If a packet reaches its "life" limit, it is deleted, which helps avoid problems with data transmission and ensures network stability.

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