China Telecom applies for patents related to virtual machine hot migration, adjusting thresholds based on load prediction to achieve virtual machine hot migration.

April 2 News, the State Intellectual Property Office information shows that China Telecom Corporation Limited has applied for a patent titled “Method, Device, and Electronic Equipment for Virtual Machine Live Migration.” The application publication number is CN121764596A, the application number is CN202511983973.6, the publication date is March 31, 2026, the filing date is December 25, 2025. The inventor is Zhang Xixi, the patent agency is Beijing Kangxin Intellectual Property Agency Co., Ltd., patent attorney Zhang Mingxia, classification number G06F9/455.

The patent abstract indicates that this application discloses a method, device, and electronic equipment for virtual machine live migration. The method includes: obtaining load data of the physical host, where the physical host is used to host the virtual machine to be migrated; using a prediction model to forecast the load data, obtaining a prediction result, where the prediction model is trained based on historical load data, and the prediction result is used to quantitatively represent the load fluctuation trend of the physical host and the virtual machine to be migrated within a future time period; adjusting the migration trigger threshold based on the prediction result to obtain a target migration trigger threshold, where the target migration trigger threshold is at least used to determine whether to perform migration on the virtual machine to be migrated; determining a target physical host from the physical hosts based on the target migration trigger threshold, and performing live migration of the virtual machine to be migrated to the target physical host. This application addresses the technical problem that existing heat migration technology relies on static thresholds, leading to low resource utilization and inability to achieve load balancing.

China Telecom was established on September 10, 2002, and listed on the Shanghai Stock Exchange on August 20, 2021. Its registered and operational headquarters are both in Beijing. It is a leading domestic telecommunications operator, with core businesses covering fixed-line, mobile, internet, and other services, possessing a robust network infrastructure and a broad user base.

China Telecom Corporation Limited is an investment holding company engaged in telecommunications and related businesses, classified under Shenwan Industry: Communication - Telecommunication Services - Telecom Operators. It involves concepts such as telecom operation, quantum technology, and low-cost services, mainly providing integrated information services in the domestic market.

In 2025, China Telecom’s operating revenue reached 523.92B yuan, ranking 2nd/3rd in the industry, below China Mobile’s 1,050.187 billion yuan, with an industry average of 655.45B yuan, and a median of 523.92B yuan; its main business, telecom service revenue, accounts for 100%. Net profit was 33.22B yuan, also ranking second in the industry, below China Mobile’s 137.26B yuan, with an industry average of 63.76B yuan, and a median of 33.22B yuan.

Recent patent filings of China Telecom Corporation Limited are as follows:

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