并列题名：5G radio access network architecture and key technologies 5G radio access network architecture and key technologies 并列题名：Campus network architecture and technologies 并列题名：Campus network architectures and technologies Core network architecture and key technologies 并列题名：Cloud data center network architecture and technologies 并列题名：5G security architecture and key technologies 并列题名：Cloud data center network architectures and technologies 并列题名：SD-WAN network architecture and technologies 并列题名：Carrier data center network architectures and technologies