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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 28件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
NS, IN, CS, NV
(Joint)
2019-09-06
13:55
Miyagi Research Institute of Electrical Communication, Tohoku Univ. Dynamic Virtual Resource Allocation Method Using Multi-agent Deep Reinforcement Learning
Akito Suzuki, Shigeaki Harada (NTT)
The network traffic demands have been changing dramatically in recent years due to the growth of various types of networ... [more] IN2019-29
pp.35-40
CCS, IN
(Joint)
2019-08-02
15:20
Hokkaido KIKI SHIRETOKO NATURAL RESORT Traffic Prediction by Extracting Users' Access Patterns
Yuka Komai (NTT), Tatsuaki Kimura (Osaka Univ.), Masahiro Kobayashi, Shigeaki Harada (NTT)
Due to the emergence of diverse network services and devices, traffic patterns in recent networks become highly complica... [more] IN2019-22
pp.43-46
IN, NS
(Joint)
2019-03-04
10:10
Okinawa Okinawa Convention Center Validation of Cost-saving by Network Control Considering Electricirty Unit Price
Ryota Nakamura, Akito Suzuki, Shigeaki Harada (NTT)
With the expansion of network services, it is urgent issue for telecommunication carriers to reduce the service provisio... [more] IN2018-97
pp.79-84
IN, CCS
(Joint)
2018-08-02
10:55
Hokkaido Kitayuzawa Mori-no-Soraniwa Inferring Latent Traffic Demand by Using State Space Model and Predicting Quality Degradation as a Equilibrium Point of Negative Feedback Loop
Keisuke Ishibashi, Shigeaki Harada (NTT), Ryoichi Kawahara (Toyo Univ.)
 [more] IN2018-19
pp.39-44
NS, IN
(Joint)
2018-03-01
09:00
Miyazaki Phoenix Seagaia Resort Classifying OSes on User Devices Using the Similarity of DNS Query Sets
Yuka Komai, Masahiro Kobayashi, Shigeaki Harada, Keisuke Ishibashi, Ryoichi Kawahara (NTT), Tatsuya Mori, Shigeki Goto (Waseda Univ.)
Due to the emergence of various user devices, it becomes important to manage traffic based on OSes (Operating Systems) o... [more] IN2017-89
pp.1-4
IA, SITE, IPSJ-IOT [detail] 2017-03-03
13:25
Okinawa Culture Resort Festone (Okinawa) Analyzing Effect on Traffic Characteristics of Bottleneck Status through Differential Analysis
Keisuke Ishibashi, Shigeaki Harada (NTT)
 [more] SITE2016-61 IA2016-91
pp.7-12
NS, IN
(Joint)
2017-03-02
11:00
Okinawa OKINAWA ZANPAMISAKI ROYAL HOTEL A method of coordinating multiple control algorithms for NFV
Akito Suzuki, Masahiro Kobayashi (NTT), Yousuke Takahashi (NTT COM), Shigeaki Harada, Ryoichi Kawahara (NTT)
Network Functions Virtualization (NFV) has possibility to enable a variety of network services by flexibly combining mul... [more] IN2016-103
pp.37-42
IN, IA
(Joint)
2015-12-17
12:35
Hiroshima Hiroshima City University [Invited Talk] Exposing Hidden Traffic Using Name Information
Tatsuya Mori (Waseda Univ.), Takeru Inoue, Akihiro Shimoda (NTT), Kazumichi Sato (NTT COM), Shigeaki Harada, Keisuke Ishibashi, Yumehisa Haga, Akira Saso, Shigeki Goto (Waseda Univ.)
(To be available after the conference date) [more] IN2015-74 IA2015-69
pp.19-24(IN), pp.1-6(IA)
IA 2015-11-13
10:00
Chiba NARITA VIEW HOTEL Inferring the Number of Accesses to Internet Services using DNS Traffic
Akihiro Shimoda, Keisuke Ishibashi, Shigeaki Harada (NTT), Kazumichi Sato (NTT Communications), Masayuki Tsujino, Takeru Inoue (NTT), Masaki Shimura, Takanori Takebe, Kazuki Takahashi, Tatsuya Mori, Shigeki Goto (Waseda Univ.)
Popularity ranking of Internet services is an important metric for network operators. Lately, Internet service identific... [more] IA2015-63
pp.129-134
NS, RCS
(Joint)
2011-12-16
10:35
Yamaguchi Yamaguchi University [Encouragement Talk] Improvement in packet import method of Hadoop-based Packet Analyzer for High Volume Packet Data
Takato Naritomi, Yutaka Arakawa, Kenta Kawaguchi, Mitsuhide Honda, Takuya Mizokami, Kouji Mima (Kyushu Univ), Shigeaki Harada (NTT WEST), Shigeru Kusakabe (Kyushu Univ)
Traffic analysis based on packet capturing become hard to analyze quickly, because captured packet data has become too h... [more] NS2011-139
pp.121-126
NS 2011-04-22
13:00
Fukui Fukui University Design and Implementation of Hadoop-based Packet Analyzer for High Volume Packet Data
Takato Naritomi, Kenta Kawaguchi, Takuya Mizokami, Kouji Mima (Kyushu Univ.), Shigeaki Harada (NTT WEST), Yutaka Arakawa, Shigeru Kusakabe (Kyushu Univ.)
Traffic analysis based on packet capturing is often used for monitoring and checking network failure. However, it become... [more] NS2011-12
pp.67-72
NS, RCS
(Joint)
2009-07-17
15:10
Hokkaido Hokkaido University (Hokkaido) Analyzing Impact of Topology on Effect of Parallel Video Streaming
Noriaki Kamiyama, Ryoichi Kawahara, Tatsuya Mori (NTT), Shigeaki Harada (NTT WEST), Haruhisa Hasegawa (NTT)
The transmission bit-rate of video streaming with high quality is quite large, so generated traffic flows will cause lin... [more] NS2009-56
pp.79-84
NS, OCS, PN
(Joint)
2009-06-25
12:45
Nagasaki Nagasaki Museum of History and Culture (Nagasaki) Analysis of Topological Impact on Caches for Reducing P2P Traffic
Noriaki Kamiyama, Ryoichi Kawahara, Tatsuya Mori (NTT Corp.), Shigeaki Harada (NTT WEST), Haruhisa Hasegawa (NTT Corp.)
Traffic caused by P2P services dominates a large part of traffic in the Internet, so reducing the P2P traffic within the... [more] NS2009-31
pp.1-6
NS, OCS, PN
(Joint)
2009-06-25
13:10
Nagasaki Nagasaki Museum of History and Culture (Nagasaki) [Encouragement Talk] Improving deployability of peer-assisted CDN platform with incentive
Tatsuya Mori, Noriaki Kamiyama (NTT), Shigeaki Harada (NTT West), Haruhisa Hasegawa, Ryoichi Kawahara (NTT)
As a promising solution to manage the huge workload of large-scale VoD services, managed peer-assisted CDN systems, such... [more] NS2009-32
pp.7-12
NS 2009-05-21
16:25
Hiroshima Hiroshima City University (Hiroshima) Parallel Video Streaming Maximizing Maximum Network Throughput
Noriaki Kamiyama, Ryoichi Kawahara, Tatsuya Mori, Shigeaki Harada, Haruhisa Hasegawa (NTT)
In the Internet, video streaming service in which users can enjoy videos at home is becoming popular. Video streaming wi... [more] NS2009-18
pp.7-12
IN, NS
(Joint)
2009-03-03
08:40
Okinawa Okinawa-Zanpamisaki Royal Hotel Optimum Cache Design for Reducing P2P Traffic
Noriaki Kamiyama, Ryoichi Kawahara, Tatsuya Mori, Shigeaki Harada, Haruhisa Hasegawa (NTT)
Traffic caused by P2P services dominates a large part of traffic in the Internet, so reducing the P2P traffic within the... [more] NS2008-166
pp.129-134
IN, NS
(Joint)
2009-03-04
10:10
Okinawa Okinawa-Zanpamisaki Royal Hotel Analysis of Relation between Volume and Periodic Pharacteristics in the Internet Traffic
Shigeaki Harada, Ryoichi Kawahara, Tatsuya Mori, Noriaki Kamiyama, Haruhisa Hasegawa (NTT), Masaki Tokuhisa (NTT West)
Many reports show that Internet traffic measured at large scale networks
such as backbone networks exhibits visible str... [more]
IN2008-168
pp.213-218
ICM, CQ, NS
(Joint)
2008-11-14
10:10
Fukushima Nihon University A P2P CDN Architecture Based on Explicit Incentive to End-Users
Tatsuya Mori, Noriaki Kamiyama, Shigeaki Harada, Haruhisa Hasegawa, Ryoichi Kawahara (NTT)
 [more] NS2008-102
pp.81-86
NS 2008-05-15
15:00
Hokkaido Future University-Hakodate Evaluation for Detectability of Identifying the Anomalous Traffic Using Delta Traffic
Shigeaki Harada, Ryoichi Kawahara, Noriaki Kamiyama, Tsuyoshi Kondoh, Keisuke Ishibashi (NTT), Shoichiro Asano (NII)
To mitigate the anomalous traffic such as DDoS attacks,
it is necessary to accurately identify the anomalous traffic so... [more]
NS2008-1
pp.1-6
NS, CS, IN
(Joint)
2007-09-21
09:30
Miyagi Tohoku University A method of detecting network anomalies for periodic traffic
Shigeaki Harada, Ryoichi Kawahara, Tatsuya Mori, Noriaki Kamiyama, Hideaki Yoshino (NTT)
We present a method of detecting network anomalies, such as DDoS attacks and flash crowds, automatically in real time.
... [more]
IN2007-59
pp.93-98
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