RFC 文档RFC 6733 - Diameter Base Protocol6.7.3. Proxy-Host AVP本页总览6.7.3. Proxy-Host AVP6.7.3. Proxy-Host AVP Proxy-Host AVP (AVP Code 280) 类型为 DiameterIdentity. 该 AVP 含添加 Proxy-Info AVP 的主机身份.