If you use 4 g mobile network on the Internet, you use a mobile phone on the QQ to send a file to your classmate, your classmate in the school computer room PC QQ download this file, try to describe the file transfer process in the network,

CodePudding user response:

1. Phone eNodeB by the base station, the initiating
2. The base station to send the request to the core control net yuan MME, told him "has a mobile phone to surf the Internet";
3. The MME determine, after the mobile phone can surf the Internet to build a tunnel, tunnel connected to the Internet through the establishment of mobile phones,
4. After the process of network transmission network transfer agreement with gm, DSN, router, the target computer,

CodePudding user response:

reference 1st floor dingmeme response:

1. The mobile phone eNodeB by the base station, the initiating
2. The base station to send the request to the core control net yuan MME, told him "has a mobile phone to surf the Internet";
3. The MME determine, after the mobile phone can surf the Internet to build a tunnel, tunnel connected to the Internet through the establishment of mobile phones,
4. After the process of network transmission network transfer agreement with gm, DSN, router, the target computer.

Thank you, thank you very much, thank you