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Through the introduction of mobile IP functional entities, the paper elaborated on the operation mechanism of mobile IPV4. According to mobile IP mechanism, the paper analyze the reasons for the formation of mobile IPV4 triangular routing, and describe a method to solve the triangular routing, On the basis of IPV6 concept, the paper analysis the mobile IPV6, then discuss the IPV6 movement of the working...
Due to the ever increasing data traffic growth, network operators and network capacity planners are faced with the challenge of upgrading their backhaul network in the simplest and the most cost effective manner. A great variety of transmission and switching resources are available for this purpose. A choice of architecture, using Ethernet in the layer below IP on the one hand, or SDH switching on...
With the acceleration of network evolution to the packet-based all-IP network, a demand for the IMS which is defacto standard framework to provide IP services in the packet-based network, is increasing rapidly. Number Portability(NP) which has been contributing to facilitating of telephony company competition and increasing of user convenience in legacy circuit-based networks, is also becoming more...
The paper discusses the 3GPP Evolved Packet Core (EPC) as an implementation of a flat data plane architecture. The number of data/user plane nodes might be not minimal in certain situations when multiple connections to different networks are established. Improvements are proposed to achieve an optimal flat network architecture.
The limitation of Mobile IPv4 can't satisfy with the people's increasing demands and Mobile IPv4 is difficult to use broadly. Mobile IPv6 resolved the problem of Mobile IPv4 and it became an important technique to realize personal communications. On the other hand, the larger carrying capacity and exchanging capability of MPLS give a chance to carry out Mobile IPv6. In the paper, first analyzed the...
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