中国联通已申请PCDN 识别专利
该方法基于联邦学习，在CDN服务器与多个本地节点间联合建立PCDN业务识别全局模型，并结合个性化特征数据训练识别个性化模型，从而精准识别PCDN业务用户。该技术通过多轮次加密数据聚合，确保数据安全性与识别准确性，为CDN运营商提供高效、智能的PCDN业务管理手段。
此外，此技术能够通过业务授权白名单放行已备案PCDN业务。
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Telegram has made it easier for its users to communicate, as it has introduced a feature that allows more than 200,000 users in a group chat. However, if the users in a group chat move past 200,000, it changes into "Broadcast Group", but the feature comes with a restriction. Groups with close to 200k members can be converted to a Broadcast Group that allows unlimited members. Only admins can post in Broadcast Groups, but everyone can read along and participate in group Voice Chats," Telegram added.
Telegram is a free app and runs on donations. According to a blog on the telegram: We believe in fast and secure messaging that is also 100% free. Pavel Durov, who shares our vision, supplied Telegram with a generous donation, so we have quite enough money for the time being. If Telegram runs out, we will introduce non-essential paid options to support the infrastructure and finance developer salaries. But making profits will never be an end-goal for Telegram.
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