Vietnam’s Asia Pacific Gateway (APG) submarine cable system broke down on Saturday, just nine days after an issue occurred along the Asia America Gateway (AAG) cable.

The problem on the APG cable system has negatively impacted international connection in the Southeast Asian country, a representative of a local Internet service provider (ISP) stated.

Domestic ISPs have redirected all connections through the APG system to other cables in order to minimize the connection disruption.

According to the Vietnam Internet Association, international connection in Vietnam relies on multiple submarine cable systems, namely the APG, AAG, SMW3, Intra-Asia (IA), and Asia-Africa-Europe 1 (AAE-1).

The APG, which runs about 10,400 kilometers underwater across the Pacific Ocean, connects Vietnam with mainland China, Hong Kong, Japan, South Korea, Malaysia, Taiwan, Thailand, and Singapore.

The cable system was launched in 2016 with a traffic capacity of 54.8 terabits per second – the largest of any other cables in Asia – and had been expected to provide more stable connection for Vietnamese Internet users.

Many popular Vietnamese ISPs such as VNPT, Viettel, FPT Telecom, and CMC Telecom are using this cable system for their services.

The reason behind the problem has yet to be identified, while repair plans will be announced in the upcoming days.

The AAG cable system previously broke down for the second time this year on May 14, causing Internet speed in the country to be latent.

Repairs to this cable system are expected to be finished on June 2.

The AAG is a 20,000-kilometer submarine communications cable system connecting Southeast Asia with the U.S. mainland across the Pacific Ocean via Guam and Hawaii.

It was put into operation in November 2009.

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