Study On The Construction Of Hospital Multi-district Network Based On SDN And VxLAN

With the advancement of the high-quality development process of the hospital,the main hospital area of large tertiary hospitals is often built for a long time and located in the city center,so it is difficult to continue to expand the area of the hospital area.Therefore,the construction of branch areas has become a trend.In order to ensure the availability and identity of the information systems of multiple campuses,the network architecture design of the branch campuses must not only ensure the interconnection of the inter-hospital network,but also consider the network interconnection at the data level,so that it can continue to provide services to the outside world without interruption.The later expansion and upgrade of IPv6 lays the foundation.To this end,it is necessary to build a network system for multiple campuses.The main content of this research is to design a feasible network architecture scheme,which is based on SDN and Vx LAN,realizes the interconnection of the two inter-institutional data centers through the second-layer network,and makes the two data center servers in a second-layer network,which not only guarantees The smooth migration in a virtualized or hyper-converged environment also ensures that the application service IP of the physical server can be arbitrarily drifted between the two data centers,realizing active-active at the application level and unified scheduling of data center resources.On this basis,design and plan the functions of IPv6 expansion and upgrade in the later stage,and build a better smart hospital on the basis of higher availability,wider access and more intelligent network architecture.