What feature helps ensure data integrity during transfer in Alibaba Cloud services?

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Data integrity during transfer is primarily ensured through data encryption. When data is encrypted before being sent to a destination, it becomes unreadable to anyone who does not have the appropriate decryption key. This means that even if the data is intercepted during transmission, it cannot be easily accessed or altered, thereby maintaining its integrity.

Data encryption helps protect both the confidentiality and integrity of the data by preventing unauthorized access and ensuring that the data remains unchanged during the transfer process. It plays a critical role in secure communications over the internet, particularly for sensitive information that must not be exposed to potential attackers.

While a Content Delivery Network (CDN) improves the speed and efficiency of delivering content to users, it does not specifically address the integrity of the data being transferred. Data backup and recovery are essential for ensuring that data can be restored in case of loss but do not protect the integrity of data during its transmission. Traffic management focuses on optimizing the flow of data within a network but does not inherently provide security measures for data integrity.

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