Technology

Cable IA, APG problem: What do carriers do to ensure international Internet connection?


Viettel, VNPT and FPT are the carriers that are using more capacity on the two sea cable routes IA, APG. To limit the impact of the incident on these two undersea cables, the network operators have implemented traffic redirection plans.

IA and APG are two of the five undersea cable lines that account for the majority of Internet connection from Vietnam to international, along with three other undersea cable routes, AAG, AAE-1 and SMW3. (Illustration)

As ICTnews reported, on January 1 and January 9, 2021, two international sub-Asia undersea optical cables (Intra Asia – IA) and Asia Pacific Gateway (APG) had problems respectively.

In particular, the incident occurred at 12:52 on January 1, 2021 on the cable line IA is determined to be due to a cable fault on segment 1, about 49 km from the Singapore landing station of the cable line. The problem affected all connection capacity in Singapore direction.

With a new incident on the APG cable line on the morning of January 9, 2021, according to the latest information, the cable line was broken on the S3 branch, interrupting the information on the connection to Hong Kong, Japan.

Information from VNPT said that immediately after the incident, VNPT Net and VNPT provinces and cities across the country urgently carried out weighing loads through other international cable directions to ensure the quality of service provided. to the customer.

Similarly, with CMC Telecom, the representative of this carrier said: “We have actively switched to other cable directions, including the A-Grid direction, connecting to the Internet from Vietnam through Cambodia, Thailand, Malaysia and Singapore.”.

To ensure the connection quality for international Internet access services, Viettel plans to add about 800 Gbps to the AAE-1 cable line and 300 Gbps for the APG route to Singapore. “Immediately after the incident, Viettel implemented a plan to transfer traffic to normal operating directions such as land cable, AAG, AAE-1 and APG branch to Singapore with docking stations in Vung Tau. “Viettel representative emphasized.

According to representatives of Viettel network, the process of distributing and transferring international traffic between cable lines is automatically implemented by Viettel’s system to promptly maintain service quality for Viettel customers and enterprises. Other carriers are renting international connection channels on these sea cables.

“However, the simultaneous incident on two sea cables can also be difficult to avoid the flickering phenomenon in peak hours (20:00 – 22:00)”, Viettel noted.

The representative of Viettel also affirmed clearly that problems on international undersea optical cables do not affect the quality of Internet sites, domestic applications using software platforms developed by Viettel and server systems (Server). located in Vietnam. Because, these applications run on domestic optical fiber networks, not dependent on international submarine fiber lines.

In fact, international marine optical cables have problems quite often, so not only Viettel, VNPT and CMC, but also domestic Internet service providers (ISPs) are always redundant and quite familiar. in situations where sea cable incidents must be implemented.

The records from users also showed that, in the context of the two cables of the IA and the APG had problems, the access to domestic websites and applications was not affected. While the international services of big companies like Google, Facebook, and users are still able to use them, many other websites and international services are still difficult to access.

It is known that a key task of Vietnam Internet Center, assigned by the Ministry of Information and Communications, is to develop a plan to ensure the continuous operation of Vietnam’s Internet in the event of loss of connection with the international.

Talking with ICTnews on the sidelines of the Vietnam Internet Day 2020 event taking place in mid-December, Mr. Nguyen Hong Thang, Director of VNNIC said that this task has been basically completed by the Center, from the smallest to the the biggest option.

A part of the above task has been carried out by VNNIC in 2020, which is to bring the root domain name server system – ROOT DNS to Vietnam to contribute to ensuring that the operation of Vietnam’s Internet is completely independent of the network. international. As a result, the time it takes to query for domain names in general and for domestic “.VN” domain names has decreased at least 5 times on average, thereby increasing the speed of accessing Internet domain name services in Vietnam.

“We are determined that the Internet is a must. We have to connect globally but still need a certain independence in certain situations that can be objective and subjective. Therefore, it is necessary to have a plan to build a technical system to ensure that the Internet can operate independently, not depending on the international network. For example, the break of marine optical cable is an objective situation, our network can operate independently ”, analyzed Mr. Thang.

In June 2020, the Asia Direct Cable Association announced the appointment of NEC to build an ADC submarine fiber optic cable line with a length of 9.40km. Expected to be completed in the fourth quarter of 2022, the ADC cable has a bandwidth of 140 Tb / s, transmitting data from Southeast Asia and East Asia, with connection points including Hong Kong, Guangdong province of China and Japan. Edition, Philippines, Singapore, Thailand and Vietnam. Along with that, NEC was also assigned to build Southeast Asia Japan 2 cable line (SJC2) with a capacity of 144 Tb / sec. Expected to be completed in 2021, SJC2 cable is 10,500km long with 11 landing points in Singapore, Thailand, Cambodia, Vietnam, Hong Kong, China, South Korea and some points in Taiwan and Japan.

According to the representative of the Vietnam Internet Association, the continued investment of telecommunications alliances in the region to deploy marine cables connecting Asia-Pacific economies will help meet the demand for tape. information and contribute to reducing costs, promoting the development of Internet and telecommunications services in the region, including Vietnam. In the coming time, Vietnam will have more international connection directions, so in general the Internet will have more stable quality and lower prices.

Van Anh

Two international submarine fiber optic cables IA, APG are having problems

Two international submarine fiber optic cables IA, APG are having problems

According to ICTnews’ own source, the two international undersea optical cable lines IA and APG have encountered problems in the early days of the new year 2021, affecting the quality of Internet connection in Vietnam to international.

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