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MPLSVPN是一种基于MPLS技术的IPVPN,由于其安全性高、易于管理、部署灵活等诸多优势,已逐渐在替代传统的组网方式而成为企业客户组建内部网络的首选。随着业务规模扩大,加上MPLSVPN基于标签的转发使得传统的负载均衡方式需要做相应调整才能发挥更加准确的效果。本文从MPLSVPN原理出发,结合实际经验从PE/CE,PE/PE以及CE广播路由等角度出发,探讨目前MPLSVPN网络中采用的负载均衡技术。
MPLSVPN is an MPLS-based IPVPN. Due to its high security, ease of management, and flexible deployment, MPLS VPN has gradually become the first choice for enterprise customers to set up an internal network instead of the traditional networking mode. With the expansion of the service scale and the label-based forwarding of the MPLSVPN, the traditional load balancing method needs to be adjusted correspondingly to play a more accurate effect. Based on the principle of MPLSVPN and based on practical experience, this paper discusses the load balancing techniques used in MPLSVPN networks from the point of view of PE / CE, PE / PE and CE broadcast routing.