A protocol sequence represents what network protocols are used for RPC communication.

These days, the average office worker receives more than 200 messages a day via snail mail, e-mail, express mail, cell phone, landline, wireless Web, bicycle messenger, singing telegram, you name it.

As a gas message molecule, nitric oxide takes part in the information transfer in nervous system, which affects plasticity of synapse in hippocampus, and cerebellum and construction of neural network.