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It became known how operators learn about the distribution by Internet users

It became known how operators learn about the distribution by Internet users



The times when the Internet from a smartphone could be distributed for free have long since sunk into oblivion. Now almost all operators have a tariff plan for using a mobile device as a router. If users try to distribute the Internet for free, then they immediately receive an SMS message with a warning about the inadmissibility of such actions. Experts explained how mobile operators learn about the distribution of the Internet.

Details
Each data packet “lives” for a certain time. In IPv4, the time to live for a packet is called Time to live (TTL). In the IPv6 standard, this indicator is called the Hop Limit. According to experts, TTL is used to kill packets after a certain number of hops. Users are notified of the “death” of a package with a “Timed Out” message.

TTL was originally measured in seconds. Subsequently, to measure the “life” of a packet, they began to use the number of its transfers. It cannot exceed 225. In Android, the packet “lifetime” is 64 transfers, and in Windows it is 128. That is why the Internet on a PC is more stable than on an Android smartphone. Data packets in Windows can be sent more times.

When a packet is forwarded, its TTL is reduced by one. Thus, when distributing the Internet to a third-party device, TTL is reduced to 63 units. All packets are transmitted through the provider. As soon as he notices that the TTL has dropped to 63 units, he immediately blocks the distribution of the Internet.

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