On the other hand, with the amalgamation of the current telecom technology and IP technology, IP VPN, which has Quality of service (Qos) and security guarantee, will be the basic flat in future telecom network.

• 另一方面,随着目前的电信网络技术逐步与IP技术走向融合,有服务质量(Qos)和安全性保证的IP VPN网络将是未来电信网络的基础平台。