Abstract
Blockchain is becoming more and more popular in various fields. Since the information transmission mode of the blockchain is data broadcasting, the traditional TCP/IP network cannot support the blockchain system well, but the Named-Data Networking (NDN) could be a good choice because of its multi-path forwarding and intra-network caching functions. In this article, we propose a new blockchain information transmission acceleration strategy (AITS) combining with graph theory and probability theory based on the NDN architecture. We select some more important nodes in the network as “secondary nodes”, and give them more bandwidth and cache space to assist the NDN network in data transmission. In order to select the correct node as the secondary node, we present a method to calculate the number of secondary nodes, and give the function to calculate the importance of each node. The simulation results show that in complex networks, the proposed method has superior performance in accelerating information transmission and reducing data overhead.
Highlights
We present a method to calculate the number of secondary nodes, and give the function to calculate the importance of each node, these methods are used to select appropriate nodes as secondary nodes in the network
In order to better verify the performance of the proposed acceleration strategy, we propose three simulation scenarios and compare them: (1) Use Named-Data Networking (NDN) network and deploy acceleration strategy, record network latency and data overhead in a period of time
Due to the architectural characteristics of the blockchain, when running blockchain programs on the traditional network, it will generate great broadcast overhead and transmission delay, which has a great impact on the subsequent development of the blockchainbased applications
Summary
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. Another direction for optimization is to use a new network architecture to support the blockchain-based applications. Tong Jin proposed BlcokNDN [6], a bitcoin blockchain decentralized system over named data networking They proposed a naming rules, by using the rules, the block is named an interest packet and is broadcast according to the transmission rules of the NDN network. We conducted a design research and propose a blockchain information acceleration strategy based on the NDN network, where the NDN network provides fast data broadcasting services for the blockchain system. (3) In order to select an appropriate number of nodes as secondary nodes in the network, a calculation method is proposed based on the concept of graph theory.
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