In recent years, the computer, the computer hardware cost the prevalence rate of decline, buttheir rising rapidly growing online population. How the ISP network provider based on existing network resources can provide more web services to adapt to all kinds of Internet appear constantly new business is the ISP culvert un-solved problems. And traffic engineering is the main technology to solve these problems, the means of traffic engineering hope on the existing network resources, through the basis of the regulation of network resources, to achieve reduce congestion, improve the network performance. However the current traffic engineering solutions most existing complexity, high scalability issues such as applied to large, it is difficult to deployment of backbone network, in desperate need of a new technology application in traffic engineering.
Multi-protocol label switching (MPLS) as currently realize traffic engineering the ideal technology. MPLS network traffic engineering, refers to the choice for business process, and path through certain evaluation index to identify this path is optimal in the network of various link, routers and switches from various business between the load balance. In a MPLS network realization traffic engineering can significantly improve service quality.
This work as in a study MPLS technology and MPLS technology to achieve traffic engineering, and on the basis of the constraints of MPLS - TE routing algorithm was studied, and the constraints of classified analyzes the present existing routing algorithms, and the minimum interference routing algorithm was put forward on the basis of can meet high throughput, load balance dynamic constraints BMIRA routing algorithm. Through the NS2 algorithm and simulation software CSPF, MIRA two algorithm simulation experiments show BMIRA contrast, whether in link requests accept number and transmission delay, business throughput aspects are significantly better than any other two algorithm is put forward in this paper, confirmed the algorithm can achieve high business throughput to achieve the network load balance, can well satisfy the ISP network provider traffic engineering requirements.