Chapter 222 The First Network Message

After finally waiting for the progress bar to finish, Gao Zhendong opened the transferred file and compared it with the original file character by character.

He didn't have time to do hash checks like MD5, and the amount of MD5 calculations was a bit too much for today's computers, while the collision rate of checks like CRC was relatively high. So in order to fully confirm the accuracy of the first transmission, Gao Zhendong simply used the staring method! Anyway, the data was not much.

After spending some time, Gao Zhendong breathed a sigh of relief and got it right!

It's time to take the first step. The Russians can't build a network, but maybe things will be different here. At least, maybe it will be faster for scientific research, defense and government affairs?
The next day, Gao Zhendong went to work and called the chief engineer Chi of the computing center.

"Mr. Chi, are you free? If you are, please cooperate with me to do an experiment."

When Chief Engineer Chi heard his words, he immediately became excited. An experiment that even Gao Zhendong needed to cooperate with must be not easy.

"Okay, okay. Director Gao, tell us how we can cooperate."

Gao Zhendong made several requests to Chief Engineer Chi over the phone, then packed a few things into his bag and rushed to the computing center.

As soon as Chief Engineer Chi hung up the phone, he called the staff over: "Find two offices, both with telephones, and deploy a DJS-59 in each, and find two walkie-talkies."

Fortunately, the DJS-59 is not big, otherwise the requirement of deploying one DJS-59 in each country would be a bit troublesome. If it were the old Russian M-3, it might not be possible to deploy one in a week.

The former is easy to handle, but the latter is a bit troublesome.

Finally, we got two walkie-talkies from the Communications Institute next door. That's what they do. Some walkie-talkies are used for research, and some are used to maintain experimental equipment.

The Operation Institute also asked the Institute of Communications to report to the communications management department. There are not many radio stations these days, and it is in the capital. Any frequency of electromagnetic waves that is not within the filing range will cause trouble.

The Institute of Communications was very responsive to the request of the Operations Office and immediately provided the equipment and two walkie-talkie operators. Walkie-talkies of that era were more troublesome to use than in the future, so having an operator around made the work more convenient.

The people at the Operations Institute were a little curious about this scene, but when they heard Chief Engineer Chi say that it was Director Gao's request, they were relieved. He just had something to do, so that was it.

No one asked who Director Gao was. In the computing office, when people mentioned Director Gao, there was no one else except that person.

Not long after, Gao Zhendong arrived. As soon as Gao Zhendong arrived, Chief Engineer Chi went to greet him.

"Director Gao, what good stuff do you have?"

Gao Zhendong smiled mysteriously: "Good stuff, good stuff that can change the world."

This aroused Chief Engineer Chi's curiosity to the extreme, and he watched Gao Zhendong begin to make preparations.

One of the two offices found by the Institute of Operations was the original computer room. There was already a telephone in the management office there, so it was easy to run the telephone line to the side of a DJS-59.

In another place, Chief Engineer Chi simply took out his own office and installed a DJS-59 in his office.

Although he is the chief engineer of the computing institute, he does not have the convenience that Gao Zhendong has. No one can deploy DJS-59 in his office on a daily basis, except for people in the desert or some special scientific researchers. No one else can do it for the time being.

Gao Zhendong was in the computer room, connecting the modem to the telephone line.

Chief Engineer Chi asked curiously, "Director Gao, what is this?"

Gao Zhendong smiled and said, "This is a modem, a device that allows computers to communicate data directly through telephone lines."

This sentence made Chief Engineer Chi excited. Communication between computers!

When the other colleagues in the computing office heard this, there was a stir and they began to whisper to each other.

After answering everyone's questions, Gao Zhendong connected the communication port of DJS-59 to the modem, connected the tape drive, and ran the modem driver and telnet program.

This is a telnet server-side watchdog program, but Gao Zhendong specialized it to directly display messages sent by telnet clients and also to send messages to specified connected telnet clients.

Then he asked Director Li, who had rushed over after hearing the news, to wait next to the computer in the computer room, while he and Chief Engineer Chi went to Chief Engineer Chi's office.

He came to Chief Engineer Chi's office and made the same preparations as he had there, then he picked up the phone and started to ask for the number in the computer room.

The office was not a large unit, so it did not have its own switchboard. Even if the distance was short, the two telephones within the unit had to be switched through the manual switching station of the Post and Telecommunications Bureau before they could be connected.

This is also the reason why Gao Zhendong came here to conduct experiments. In addition to showing the modem and communication programs to the people in the computing institute, the experimental conditions here are very similar to the normal long-distance communication through telephone lines.

It was the existence of the manual switching station that made the modem's dialing control commands useless. Gao Zhendong had to first make the call manually and then perform the handshake operation between modems through the acoustic coupler.

In the computer room, the phone rang. Director Li answered the phone as Gao Zhendong requested. Gao Zhendong's voice came from the receiver: "Director Li, please put the receiver next to the modem."

Director Li placed the microphone next to the modem as Gao Zhendong requested.

Gao Zhendong started the connection command of the modem driver.

Then everyone on both sides heard a rhythmic "hissing" sound, which was the modem handshaking.

Not long after, Chief Engineer Chi saw a line of words pop up on the monitor here.

"Modem-1 is connected." Modem-1 is the name of the modem on the other end. Chief Engineer Chi was very excited: "Director Gao, is it connected now?"

Gao Zhendong smiled and said, "Just ask Director Li to confirm and you'll know."

Chief Engineer Chi reached out to grab the phone, but Gao Zhendong grabbed his hand and said, "Chief Engineer Chi, walkie-talkie, walkie-talkie, the phone line is occupied."

Chief Engineer Chi patted his head and laughed at himself for being too excited.

He asked the walkie-talkie operator of the Communications Institute to get through to the other end, and Director Li's voice came from inside.

Before Chief Engineer Chi could ask any questions, Director Li excitedly shouted into the walkie-talkie: "It's connected, Old Chi, Director Gao, it's connected!!"

Chief Engineer Chi quickly asked, "Lao Li, what does it show?"

Director Li looked at the monitor and read: "Modem-2 is connected!"

Chief Engineer Chi slammed the table and said, "It really works, Director Gao!"

Gao Zhendong smiled and said, "It's not over yet, Director Li, you just watch over there."

Then, with everyone on both ends expecting him, Gao Zhendong started the telnet program.

After entering the username and password, a series of prompts appeared on the monitor.

"Telnet@ZJ-2:"

This is the prompt that the client has logged in to the telnet server ZJ-2.

Gao Zhendong asked Director Li what he had seen through the walkie-talkie, and Director Li read out the prompt message on the telnet server: "Telnet client ZJ-1 has logged in."

Gao Zhendong entered a send command after the prompt and sent a Chinese character message.

He pressed the enter key. Chief Engineer Chi understood the meaning of send. After thinking about it for a moment, he was overjoyed. Before Gao Zhendong could give him any hint, he picked up the walkie-talkie and shouted to Director Li on the other end.

"Lao Li, Lao Li, are there any Chinese characters on your monitor?"

"Yes, yes, that's right."

Before Director Li could finish his answer, Chief Engineer Chi answered: "Hahaha, it must be"

“Everything is connected!”

On both ends of the walkie-talkie, two people said this in unison.

Both of them knew what Gao Zhendong was doing. He had achieved direct data communication between the two computers.

Although it seems to be just a simple short message now, it means that more things can be sent in the future!

This was the first time that Chinese characters appeared on the Internet. This Chinese message conveyed four concise words: Everything is connected.

Many years later, Mr. Chi, a pioneer in domestic information technology, said in an interview: "That was the first time we sent out a Chinese character online message. At that time, we had no idea that these four simple words sent by Comrade Gao Zhendong represented such a lofty goal. To this day, we have not been able to fully achieve these four words."

And now, people on both ends of the walkie-talkie were immersed in jubilation, and the applause of comrades on the other side could be heard through the walkie-talkie.

Gao Zhendong exited the telnet client and started the ftp server. Given the current machine speed and the lack of a multitasking operating system, it would be a bit too much to think of running both at the same time.

Then he called Chief Engineer Chi and said, "Let's go over and take a look."

Chief Engineer Chi put down the walkie-talkie and said, "Let's go!"

Before Gao Zhendong and Chief Engineer Chi entered the computer room, they could already hear the excited noise inside.

When he walked into the room, everyone looked at him and spontaneously applauded again, with excited smiles on everyone's faces.

Director Li greeted Gao Zhendong amid applause: "Director Gao, congratulations, you have opened up a new world!"

Gao Zhendong smiled and said: "Now that we have computers, we must give them more possibilities. The capabilities of a computer are limited. Combining it with the Internet and communications is the future of information technology."

This sentence made Director Li and Chief Engineer Chi fall into deep thought. Thinking back to the four words "Internet of Everything" uttered by Gao Zhendong, they seemed to have thought of something, but they couldn't remember anything for a while.

When everyone calmed down from the excitement, someone thought of a question.

"This also requires sending messages through telephone lines, so what's the difference between this and making a direct phone call?"

Gao Zhendong did not laugh at him for being short-sighted and narrow-minded. He just came into contact with this thing, so how could he understand all aspects of it at once? Didn't he see that Director Li and Chief Engineer Chi were still confused?

He just laughed and said: "It can do a lot of things, such as what I am going to do now."

(End of this chapter)