Application of IPv6 and NGN to the information network of earthquake preparedness and disaster mitigation

摘要

@@ The next generation network (NGN) should be a new type established on the basis of the next generation of telecommunication network that is highly performable, expandable, operational, administrable and securer, in order to realize the features and functions such as high-quality streaming media, wireless and mobile capacity, diversification of terminal equipments, quality control of on-demand transmission, higher safety and security. IPv6 is commonly agreed to be one of the key technological supports to NGN. IPv6 network has the greatest chance to become the primary type of NGN after it fulfills all the necessary characteristics of NGN. At present it is just thought to be the next generation of IP network.