For the first time in the world, China Unicom completed verification of wide-area high-throughput lossless transmission of massive data over 3,000 kilometers

According to news on May 16, China Unicom announced today that China Unicom Group has organized China Unicom Research Institute, Zhongxun Design Institute, Shanghai Branch, Ningxia Branch and other units to jointly tackle key problems to meet intelligent computing/supercomputing business access and interconnection carrying needs. Completed the world's first wide-area high-throughput lossless transmission verification of massive data with an actual transmission distance of over 3,000 kilometers on the existing network.

In intelligent computing and supercomputing business scenarios, the timeliness of terabyte-level massive data transmission through traditional 100M or Gigabit bandwidth cannot meet the requirements. The cost of transmission through higher-speed dedicated lines is too high. Massive data can be transmitted efficiently and losslessly. It has always been a problem in the industry. This time, based on China Unicom's nationwide backbone all-optical ROADM network and 169 backbone Internet, Shanghai intelligent computing business training data is imported into the typical "Eastern data and Western computing" scenario of Ningxia Zhongwei intelligent computing training cluster, and "IPv6", Network innovation capabilities such as new transport layer protocols, long-distance RDMA lossless transmission, and end-network collaborative transmission have been verified. The actual transmission line length exceeds 3,000 kilometers. The pilot has set multiple industry records: For the first time, 3,000 kilometers of IP-based bearer networks have been achieved Task-based transmission of massive data, the transmission distance is increased by 30% compared with existing records. For the first time, multi-location collaborative transmission capabilities based on SRv6 (Note: Segment Routing IPv6, segment routing based on IPv6 forwarding plane, new generation IP bearer protocol) technology are implemented. For the first time, live network verification of 3,000-kilometer long-distance RDMA traffic transmission based on OTN lossless flow control and end-network collaborative congestion control was achieved, and the port bandwidth utilization increased from 20% to more than 90%. Tang Xiongyan, vice president and chief scientist of China Unicom Research Institute, said that through the task-based data transmission capability based on IP optical network technology innovation, TB-level massive data can be delivered in about 1 minute. It solves the problem of low-bandwidth transmission being unaffordable for several days and high-bandwidth dedicated lines being too expensive to use.

The above is the detailed content of For the first time in the world, China Unicom completed verification of wide-area high-throughput lossless transmission of massive data over 3,000 kilometers. For more information, please follow other related articles on the PHP Chinese website!