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QUALITY OF SERVICE (QOS) POLICY SELECTION AND FLOW CREATION BASED ON DOMAIN NAME SYSTEM (DNS) APPLICATION METADATA
QUALITY OF SERVICE (QOS) POLICY SELECTION AND FLOW CREATION BASED ON DOMAIN NAME SYSTEM (DNS) APPLICATION METADATA
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机译:服务质量(QOS)政策选择和流动创建基于域名系统(DNS)应用程序元数据
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摘要
In one illustrative example, a user plane function (UPF) configured for use in a private 5G network of an enterprise may receive, from a user device, a domain name system (DNS) query associated with an application; send, to a DNS server, one or more corresponding DNS queries based on the DNS query; receive, from the DNS server, one or more DNS query responses which include an IP address and metadata including an application identifier for the application; and send, to a control plane function, a message for reporting which includes the application identifier. In response, a dedicated Quality of Service (QoS) Flow may be created for traffic for the application according to a selected QoS policy associated with the application identifier. For obtaining the metadata, the UPF may interact with a DNS server configured with Extension mechanisms for DNS (EDNS) or a DNS as Authoritative Source (DNS-AS) mechanism.
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