Switch system for network communication

The invention provides a switch system for network communication, and the system comprises a link building module which is used for building a first communication link between all switches; the structure establishing module is used for establishing first communication topological structures possibly existing among all the switches according to the first communication link, and determining an optimal communication topological structure from the first communication topological structures; the structure updating module is used for updating the optimal communication topological structure based on the first communication topological structure to obtain a second communication topological structure when communication between any two switches cannot be realized based on the optimal communication topological structure; the communication module is used for determining an optimal communication path of the local-end switch and the opposite-end switch and carrying out communication; according to the invention, normal comm