Above that are layers that supervise the sending and receiving of packets, assemble and disassemble the packets, and interpret standards for the content of the packets.
Above that are layers that supervise the sending and receiving of packets, assemble and disassemble the packets, and interpret standards for the content of the packets.
其上还有软体可监督封包的传送与接收，并可组合、分拆封包，以及解读封包内容所使用的标准。