Entrepreneur 9x thinks the digital rock EtherRock has an equivalent value as a Picasso painting from 1932.

 A residential district in Canada suffered a loss of Internet for nearly 36 hours because the fiber optic cable was bitten by a flock of beavers.

 INTERNET TECHNOLOGY

AAE-1 cable features a problem, affecting the standard of online learning

Spring Sang Monday, September 6, 2021, 18:51 (GMT+7) Incident on the AAE-1 fiber optic cable affects the transmission quality of the many international online learning and meeting applications.

According to information from the Management Board of international undersea cable routes, at 7:19 a.m. on September 4, the AAE-1 (Asia-Africa-Europe 1) undersea cable had a drag on the S1H branch, affecting the connection. An Internet connection from Vietnam to Singapore. The explanation for the crash has not yet been determined.

A network service provider (ISP) in Vietnam shared with Zing that this unit is ready to flee traffic with online TV system providers like Microsoft Team, Google Meet, Zoom... to make sure the standard of online learning after the opening day. However, the loss of communication on the Singapore branch AAE-1 cable occurred shortly before the opening ceremony, affecting a part of the service's traffic.

This incident affects 3 major Internet providers in Vietnam including Viettel, VNPT, and FPT. thanks to cable problems, the speed of accessing international websites at some times of the day is slower than usual. Particularly, Internet connections within the country are still going normally.

The fiber optic cable management unit said that the cause and specific repair plan haven't been determined yet.

A representative of Viettel, one among the operators of this fiber optic route, said that to make sure services for patrons, the network operator added quite 900 GB of international bandwidth capacity, and promptly adjusted traffic. via other land and sea cable directions like IA, APG, AAE1 towards Hong Kong.

Meanwhile, VNPT said that it's increased connectivity to make sure connection traffic to online meeting services like Microsoft Team, Google Meet, Zoom... However, right before the opening ceremony (September 4th (September 4th). ), the AAE-1 cable branch to Singapore had a drag, so it affected a part of the service quality.

For domestic online learning services like K12Online, things of the many students and teachers being slow to attach still occurs, and therefore the cause is unknown.

This is not the primary time the AAE-1 cable has had problems this year. At the top of May, this cable line had a drag and it took until July 12 to be repaired.

As a sea cable route put into operation in July 2017, AAE-1 plays the role of improving connection quality towards Europe and therefore the Middle East also as providing additional capacity and redundancy towards the connection direction to Hong Kong. Kong and Singapore.

see more at Announcement of broken submarine cable AAE-1 undersea optical cable at 13:30 on September 4

 Teachers tell me how to study online effectively during the covid-19 pandemic

The Covid-19 epidemic has caused many localities to deploy online learning in the new school year, including big cities like Hanoi, Ho Chi Minh City and many southern provinces and cities.

Master Phan The Hoai, a teacher at Binh Hung Hoa High School in Ho Chi Minh City, said that online learning is a temporary solution during the epidemic season. In order to learn online effectively, it requires the cooperation of both schools and schools. families, creating favorable conditions for students. Most importantly, each child needs to have a sense of self-discipline and an appropriate online learning plan.

Keep Discipline

Giving advice to students, Mr. Phan The Hoai said that the environment at home is not the same as the space in school, but the task of students is still to learn. Because they are at home, they are more likely to be distracted, so it is very important to stay focused on staying on track.

“To focus on learning, please set aside a suitable study space and create a specific timetable just like in face-to-face learning. You can make a clear schedule for each day, spend all your time participating in online classes, taking notes in full.

In addition, actively participating in online discussions will help students update learning content and assignments. Let's see how the volume of homework is during the week and break it down into parts to complete during the day," noted Mr. Hoai.

Besides, teacher Phan The Hoai also said that, when it is not possible to study directly, students can still fully interact with teachers and friends via video call, email or social networking sites to discuss lessons. . It is important to keep a relaxed, happy spirit, write down what you want to say and want to share in order to communicate smoothly. In particular, when studying at home, students also need to avoid the situation of studying while watching Facebook, texting, and avoiding distractions from the lecture.

Be flexible and manage your time wisely

Phan The Hoai also admitted that when learning online, it is difficult to avoid problems with the transmission line, the internet, then, students need to notify immediately if they lose their network connection, or have difficulty accessing. Besides, they also need to have a backup plan, which is to download documents for offline access. Students need to save the e-mail address, phone number of the teacher in case learning is interrupted. In addition to online materials provided by teachers, students also need to actively explore other learning materials online.

When participating in online learning, group discussion is very important, each student needs to have a sense of initiative and contribute to group activities. In case the assigned learning tasks are not suitable for themselves, students also need to boldly raise their opinions with the teacher.

To learn effectively online, teacher Phan The Hoai also suggested that students can use a number of online applications and tools that can better manage their time.

Know how to sympathize, share

“When learning online, children may encounter many things that are not going well from teachers' equipment, lectures, teaching methods, remember, teachers have also tried their best to be able to teach in 45-90 minutes, sometimes teachers have to prepare lessons for many days, and certainly teachers also have certain difficulties. Therefore, you also need to work hard to get through this difficult time. To relieve stress, children can talk to their parents, relatives or friends about the advantages and disadvantages of online learning. When studying, you should also talk to people around to avoid being disturbed and affecting the lesson, "said Hoai.

This teacher also said that spending all day at the computer will severely affect the body and brain. Instead of studying for many hours, students should divide their time, after 1 hour of class, they should get up and stretch, do light exercise, have a snack or do whatever they want to relax and recharge. for body.

“Learning online, you will not be able to see teachers and friends, but keep in touch with teachers and classmates. Sharing and communicating more will help them have a more relaxed spirit, increase cohesion and closeness", teacher Phan The Hoai reminded the students.

According to the test results of the Department of Telecommunications, Viettel's 4G speed is the best in Vietnam. This promises to significantly improve the quality of users' Internet access.

Test results in 4 cities and provinces including Hanoi, Hai Phong, Hai Duong, and Hung Yen in June and July, show that Viettel's 4G network is better than the standard in all data download speed parameters compared to the standard. with other carriers.

Specifically, the average data download speed of Viettel in Hanoi and Hai Phong is more than 70 Mbit/s and up to more than 90 Mbit/s in Hai Duong and Hung Yen. The average data upload speed of the carriers in these localities is also recorded at 30-35 Mbit/s. These are the two most important criteria to show the quality of Internet access services on 4G networks.

In other indicators such as radio network availability, service success rate, delay time, dropped data transmission rate, etc., the test data of the Department of Telecommunications also shows that Viettel ensures ensure compliance with regulations. Actual results are better than the requirements of the Ministry of Information and Communications.

Mr. Dao Xuan Vu - General Director of Viettel Networks - said: "Faced with the speed of subscriber growth, the rapidly increasing demand for data usage and the increasing requirements of customers, Viettel always focuses on infrastructure investment. floors, expand coverage and improve 4G network quality, to provide a better experience for customers. This view will continue to be promoted by Viettel, aiming to have 10 million more 4G subscribers in Vietnam this year.

Viettel is currently the largest 4G network in Vietnam with 40,000 BTS stations covering the whole country. To meet the data growth trend, this year, Viettel will add 5,000 new 4G stations, shifting the maximum frequency resources used for 3G networks to serving 4G networks.

The telecommunications brand's technical team has also researched and successfully implemented an integrated solution, transmitting data simultaneously on multiple frequencies, helping to increase 4G speed by more than 50%.

According to Viettel's data, 4G data traffic in the first 6 months of this year increased more than 2 times compared to the first 6 months of 2019. This traffic increased sharply during the Covid-19 epidemic period due to the demand for Internet access for studying, working, entertaining, updating news, sharing photos, video clips… became popular.

In the first quarter of 2020, the Internet access quality measurement system under the Vietnam Internet Center (VNNIC - Ministry of Information and Communications) has obtained nearly 30,000 user measurement samples, originating from 69 networks. Statistics for mobile networks show that Viettel's 3G and 4G networks have the highest average download/upload speeds (41.45 Mbps/32.70 Mbps).

Readers can see more test results at the website of the Department of Telecommunications: www.vnta.gov.vn.

Viettel has widely published a 4G mobile network coverage map based on actual customer experience. By accessing the website open network. viettel, customers can easily check Viettel's 4G signal quality at their current location or anywhere in Vietnam.