Strategy Research Of Rapid Forwarding In Named Data Networking

As the most promising next generation Internet architecture typical architecture, Named Data network has attracted the attention of many researchers all over the world. NDN communication is driven by the consumer, it is a kind of data transmission mode based on pull, consumer sends an interest packet can only receive one packet. In the situation of a consumer request large file or online video/audio applications, the one-to-one forward strategy needs the consumer to send a lot of interests packets to get the all data packets, a lot of interests packets will not only waste of network traffic, takes up a lot of PIT storage space, and on the number of basis of FIB number lookup will also increase, increase the load of network, especially in the asymmetric link network, will cause the down link bandwidth not make full use of. Therefore, design a fast forwarding in the NDN response strategy to solve large file transfer and online video/audio multimedia distribution service network performance is necessary. Therefore, this paper proposes a one-to-many fast forwarding the response strategies, namely the consumer sends an interest packet can receive multiple data packets, the NDN original communication based on the Pull to Push based communication mode, in order to improve the performance of the whole network under special application and through the simulation experiments prove that the one-to-many forwarding response mechanism is one-to-one forwarding strategy performance better.In this paper, the main research contents and contributions are the following: Changed the original communication based on the Pull in NDN to Push based communication mode, namely the one-to-many forward strategy, Driven by the requester, used to provide a large files, and online video transport service, improve the performance of the whole network under special application. And the article puts forward a one-to-many forwarding strategy performance analysis, based on analysis of the FIB in forwarding number, the PIT space compression, the performance of flow control, and through the simulation experiment of one-to-one forward strategy and the article puts forward a one-to-many forwarding strategy, this paper compares and analyzes the performance of that pair of how fast forwarding strategy under the premise of not affect data reception performance is better.