QinQ在城域网中的应用浅析

随着互联网业务的不断发展，IP网络上新应用、新技术的不断涌现，对网络的质量服务提出了新的要求。IP城城网作为综合业务接入网络，将从传统的数据业务接入向语音、视频和数据等多业务综合接入平台转化。根据商业运营发展的需求，本文介绍了灵活QinQ技术概念、特性及在城域网环境下的应用。

QinQ Application Analysis in MAN

With the continuous development of Interact business,IP network,new applications,new technologies continue to emerge,the quality of service on the network put forward new requirements.IP MAN as an integrated service access network,from the traditional data service access to voice,video and data into multi-service integrated access platform.According to the development needs of business operations,this paper introduces the concept of selective QinQ technology,features and applications in metropolitan environments.