Co-evaluation of FPGA architectures and the CAD system for telecommunication. - Tsunemasa Hayashi; Atsushi Takahara; Ken-nosuke Fukami (ASP-DAC, 1997)

An implementation model and solutions for stepwise introduction of SDN. - Hiroki Nakayama; Tatsuo Mori; Satoshi Ueno; Yoshihide Watanabe; Tsunemasa Hayashi (APNOMS, 2014)

Establishing PDCA cycles for agile network management in SDN/NFV infrastructure. - Kotaro Shibata; Hiroki Nakayama; Tsunemasa Hayashi; Shingo Ata (IM, 2015)

SCLP: Segment-oriented Connection-less Protocol for high-performance software tunneling in datacenter networks. - Ryota Kawashima; Shin Muramatsu; Hiroki Nakayama; Tsunemasa Hayashi; Hiroshi Matsuo (NetSoft, 2015)

A Software Approach of Controlling the CPU Resource Assignment in Network Virtualization. - Shin Muramatsu; Ryota Kawashima; Shoichi Saito; Hiroshi Matsuo; Hiroki Nakayama; Tsunemasa Hayashi (IEICE Trans. Commun., 2015)

A Host-Based Performance Comparison of 40G NFV Environments Focusing on Packet Processing Architectures and Virtual Switches. - Ryota Kawashima; Shin Muramatsu; Hiroki Nakayama; Tsunemasa Hayashi; Hiroshi Matsuo (EWSDN, 2016)

Backhaul virtualization for multiple services in public WLANs. - Kazuki Ginnan; Keita Kawano; Kazuhiko Kinoshita; Hiroki Nakayama; Tsunemasa Hayashi; Takashi Watanabe 001 (APNOMS, 2017)

PA-Flow: Gradual Packet Aggregation at Virtual Network I/O for Efficient Service Chaining. - Yuki Taguchi; Ryota Kawashima; Hiroki Nakayama; Tsunemasa Hayashi; Hiroshi Matsuo (CloudCom, 2017)

Fast Detection of Alternative Route under Unknown Failure on SDN Network. - Takumi Matsuura; Hiroki Nakayama; Tsunemasa Hayashi; Katsunori Yamaoka (GLOBECOM, 2017)

Automation of Network Operations by Cooperation between Anomaly Detections and Operation Logs. - Naoki Yoshida; Shingo Ata; Hiroki Nakayama; Tsunemasa Hayashi (GLOBECOM, 2017)

A flow aggregation method based on end-to-end delay in SDN. - Takuya Kosugiyama; Kazuki Tanabe; Hiroki Nakayama; Tsunemasa Hayashi; Katsunori Yamaoka (ICC, 2017)

An optimal resource assignment for C/D-plane virtualized mobile core networks. - Kazuki Tanabe; Hiroki Nakayama; Tsunemasa Hayashi; Katsunori Yamaoka (ICC, 2017)

A study on resource granularity of vEPC optimal resource assignment. - Kazuki Tanabe; Hiroki Nakayama; Tsunemasa Hayashi; Katsunori Yamaoka (IWQoS, 2017)

Evaluation of Forwarding Efficiency in NFV-Nodes Toward Predictable Service Chain Performance. - Ryota Kawashima; Hiroki Nakayama; Tsunemasa Hayashi; Hiroshi Matsuo (IEEE Trans. Netw. Serv. Manag., 2017)

A Flow Aggregation Method under Allowable Delay Limitation in SDN. - Takuya Kosugiyama; Kazuki Tanabe; Hiroki Nakayama; Tsunemasa Hayashi; Katsunori Yamaoka (IEICE Trans. Commun., 2018)

vEPC Optimal Resource Assignment Method for Accommodating M2M Communications. - Kazuki Tanabe; Hiroki Nakayama; Tsunemasa Hayashi; Katsunori Yamaoka (IEICE Trans. Commun., 2018)

NFV-VIPP: Catching Internal Figures of Packet Processing for Accelerating Development and Operations of NFV-nodes. - Masahiro Dodare; Yuki Taguchi; Ryota Kawashima; Hiroki Nakayama; Tsunemasa Hayashi; Hiroshi Matsuo (CNSM, 2019)

Connection Integration System for ICT Infrastructure Management. - Hiroki Nakayama; Tsunemasa Hayashi (IM, 2019)

Reducing Inconsistency between Software-Defined Networking Controllers. - Yusaku Tsukuda; Masaru Kosugi; Kohei Shiomoto; Tatsuya Morita; Tsunemasa Hayashi (NetSoft, 2019)

Public WLAN Virtualization for Multiple Services. - Kazuhiko Kinoshita; Kazuki Ginnan; Keita Kawano; Hiroki Nakayama; Tsunemasa Hayashi; Takashi Watanabe 001 (IEICE Trans. Commun., 2019)

Fast Datapath Processing Based on Hop-by-Hop Packet Aggregation for Service Function Chaining. - Yuki Taguchi; Ryota Kawashima; Hiroki Nakayama; Tsunemasa Hayashi; Hiroshi Matsuo (IEICE Trans. Inf. Syst., 2019)

Channel Assignment and Access System Selection in Heterogeneous Wireless Network with Unlicensed Bands. - Kazuhiko Kinoshita; Kazuki Ginnan; Keita Kawano; Hiroki Nakayama; Tsunemasa Hayashi; Takashi Watanabe 001 (APNOMS, 2020)

Roadblocks of I/O Parallelization: Removing H/W Contentions by Static Role Assignment in VNFs. - Masahiro Asada; Ryota Kawashima; Hiroki Nakayama; Tsunemasa Hayashi; Hiroshi Matsuo (CloudNet, 2020)

Understanding Roadblocks in Virtual Network I/O: A Comprehensive Analysis of CPU Cache Usage. - Daichi Takeya; Ryota Kawashima; Hiroki Nakayama; Tsunemasa Hayashi; Hiroshi Matsuo (NetSoft, 2023)