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IEICE TRANSACTIONS on Information

A Hardware-Based Caching System on FPGA NIC for Blockchain

Yuma SAKAKIBARA, Shin MORISHIMA, Kohei NAKAMURA, Hiroki MATSUTANI

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Summary :

Engineers and researchers have recently paid attention to Blockchain. Blockchain is a fault-tolerant distributed ledger without administrators. Blockchain is originally derived from cryptocurrency, but it is possible to be applied to other industries. Transferring digital asset is called a transaction. Blockchain holds all transactions, so the total amount of Blockchain data will increase as time proceeds. On the other hand, the number of Internet of Things (IoT) products has been increasing. It is difficult for IoT products to hold all Blockchain data because of their storage capacity. Therefore, they access Blockchain data via servers that have Blockchain data. However, if a lot of IoT products access Blockchain network via servers, server overloads will occur. Thus, it is useful to reduce workloads and improve throughput. In this paper, we propose a caching technique using a Field Programmable Gate Array-based (FPGA) Network Interface Card (NIC) which possesses four 10Gigabit Ethernet (10GbE) interfaces. The proposed system can reduce server overloads, because the FPGA NIC instead of the server responds to requests from IoT products if cache hits. We implemented the proposed hardware cache to achieve high throughput on NetFPGA-10G board. We counted the number of requests that the server or the FPGA NIC processed as an evaluation. As a result, the throughput improved by on average 1.97 times when hitting the cache.

Publication
IEICE TRANSACTIONS on Information Vol.E101-D No.5 pp.1350-1360
Publication Date
2018/05/01
Publicized
2018/02/02
Online ISSN
1745-1361
DOI
10.1587/transinf.2017EDP7290
Type of Manuscript
PAPER
Category
Computer System

Authors

Yuma SAKAKIBARA
  Keio University
Shin MORISHIMA
  Keio University
Kohei NAKAMURA
  Keio University
Hiroki MATSUTANI
  Keio University

Keyword

Blockchain,  IoT,  FPGA,  cache