With the rapid development of the Internet, the rapid increase in network applications and network scale has brought about the explosive growth of network traffic. The huge network traffic not only poses new challenges to network performance and network service quality, but also puts forward new requirements for the effective use of limited network resources.
The main purpose of traffic engineering is to achieve a balanced load of network traffic and a reasonable allocation and utilization of network resources through routing optimization algorithms under limited network resources to ensure good service quality and network performance.
However, traditional routing protocols and routing optimization algorithms have limitations, such as unbalanced network link traffic load, network service quality is difficult to guarantee, and network resource utilization is not high, and other problems need to be resolved urgently.
At the same time, in view of actual network scenarios and actual needs, Internet intra-domain routing optimization for traffic engineering has challenges in the determination of hybrid software-defined network routing strategies, the placement of protocol tasks and the joint optimization of flow group routing.
The traditional best-effort delivery mechanism and shortest path routing algorithm in the Internet essentially have the possibility of causing congestion. With the increasing scale of the Internet and the continuous increase of user-end access bandwidth, the probability of congestion in the backbone network is also increasing. Network congestion will not only reduce network performance, but also make it difficult for service providers to fulfill their promises to customers. Therefore, this issue has aroused widespread concern among researchers.
Traffic engineering is a network optimization technology with important value. It avoids network congestion by optimizing the utilization efficiency of network resources. The constrained routing technology provided by multi-protocol label switching is one of the important tools of traffic engineering. The constrained routing mechanism can explicitly specify the data transmission path, so that the routing algorithm can select the path based on QoS constraints and traffic engineering optimization goals. Combining the optimization goals of traffic engineering in the routing stage can fundamentally overcome the congestion problem caused by the shortest path routing used by the Internet, and effectively improve the utilization of network resources, which has important theoretical significance and application value.
VeCloud is headquartered in Hong Kong and has branches in Beijing and Shenzhen, China. It is a technological innovation enterprise that provides cloud switching network services as its core business to enterprises. Based on innovative cloud network technology, as well as high-quality global network and IDC data center resources, the VeConnect platform, which is directly connected to the world and quickly accessible, is launched to realize the direct connection of network service providers, IDC data centers, cloud service providers, and enterprise application service providers. Connectivity, to provide enterprises with efficient, safe, stable and reliable network connection services. http://www.vecloud.com/category/chinaidc