Ryoichi Kawahara

2008
27	EE	Yutaka Hirokawa, Kimihiro Yamamoto, Shigeaki Harada, Ryoichi Kawahara: Detection of Leaps/sLumps in Traffic Volume of Internet Backbone. APNOMS 2008: 409-418
26	EE	Ryoichi Kawahara, Noriaki Kamiyama, Shigeaki Harada, Haruhisa Hasegawa, Shoichiro Asano: Identifying Anomalous Traffic Sources Using Flow Statistics. GLOBECOM 2008: 1509-1513
25	EE	Shigeaki Harada, Ryoichi Kawahara, Tatsuya Mori, Noriaki Kamiyama, Haruhisa Hasegawa, Hideaki Yoshino: A Method of Detecting Network Anomalies in Cyclic Traffic. GLOBECOM 2008: 2057-2061
24	EE	Noriaki Kamiyama, Tatsuya Mori, Ryoichi Kawahara, Shigeaki Harada: Optimum Identification of Worm-Infected Hosts. IPOM 2008: 103-116
23	EE	Noriaki Kamiyama, Tatsuya Mori, Ryoichi Kawahara, Shigeaki Harada, Hideaki Yoshino: Extracting Worm-Infected Hosts Using White List. SAINT 2008: 68-75
22	EE	Ryoichi Kawahara, Tatsuya Mori, Keisuke Ishibashi, Noriaki Kamiyama, Hideaki Yoshino: Packet Sampling TCP Flow Rate Estimation and Performance Degradation Detection Method. IEICE Transactions 91-B(5): 1309-1319 (2008)
21	EE	Keisuke Ishibashi, Tatsuya Mori, Ryoichi Kawahara, Yutaka Hirokawa, Atsushi Kobayashi, Kimihiro Yamamoto, Hitoaki Sakamoto, Shoichiro Asano: Finding Cardinality Heavy-Hitters in Massive Traffic Data and Its Application to Anomaly Detection. IEICE Transactions 91-B(5): 1331-1339 (2008)
20	EE	Yasuo Tamura, Shoji Kasahara, Yutaka Takahashi, Satoshi Kamei, Ryoichi Kawahara: Inconsistency of logical and physical topologies for overlay networks and its effect on file transfer delay. Perform. Eval. 65(10): 725-741 (2008)
2007
19	EE	Ryoichi Kawahara, Keisuke Ishibashi, Tatsuya Mori, Noriaki Kamiyama, Shigeaki Harada, Shoichiro Asano: Detection Accuracy of Network Anomalies Using Sampled Flow Statistics. GLOBECOM 2007: 1959-1964
18	EE	Noriaki Kamiyama, Tatsuya Mori, Ryoichi Kawahara, Eng Keong Lua: Efficient Timeout Checking Mechanism for Traffic Control. ICCCN 2007: 327-333
17	EE	Noriaki Kamiyama, Tatsuya Mori, Ryoichi Kawahara: Simple and Adaptive Identification of Superspreaders by Flow Sampling. INFOCOM 2007: 2481-2485
16	EE	Ryoichi Kawahara, Tatsuya Mori, Noriaki Kamiyama, Shigeaki Harada, Shoichiro Asano: A Study on Detecting Network Anomalies Using Sampled Flow Statistics. SAINT Workshops 2007: 81
15	EE	Keisuke Ishibashi, Tatsuya Mori, Ryoichi Kawahara, Katsuyasu Toyama, Shunichi Osawa, Shoichiro Asano: 2-D Bitmap for Summarizing Inter-Host Communication Patterns. SAINT Workshops 2007: 83
14	EE	Tatsuya Mori, Ryoichi Kawahara, Noriaki Kamiyama, Shigeaki Harada: Inferring Original Traffic Pattern from Sampled Flow Statistics. SAINT Workshops 2007: 85
13	EE	Tatsuya Mori, Tetsuya Takine, Jianping Pan, Ryoichi Kawahara, Masato Uchida, Shigeki Goto: Identifying Heavy-Hitter Flows from Sampled Flow Statistics. IEICE Transactions 90-B(11): 3061-3072 (2007)
2006
12	EE	Ryoichi Kawahara, Tatsuya Mori, Keisuke Ishibashi, Noriaki Kamiyama, Takeo Abe: Estimating Flow Rate from Sampled Packet Streams for Detection of Performance Degradation at TCP Flow Level. GLOBECOM 2006
11	EE	Keisuke Ishibashi, Tatsuya Mori, Ryoichi Kawahara, Yutaka Hirokawa, Atsushi Kobayashi, Kimihiro Yamamoto, Hitoaki Sakamoto: Estimating Top N Hosts in Cardinality Using Small Memory Resources. ICDE Workshops 2006: 29
10	EE	Masato Uchida, Satoshi Kamei, Ryoichi Kawahara: Performance Evaluation of QoS-Aware Routing in Overlay Network. ICOIN 2006: 925-934
9	EE	Keisuke Ishibashi, Ryoichi Kawahara, Takuya Asaka, Masaki Aida, Satoshi Ono, Shoichiro Asano: Detection of TCP Performance Degradation Using Link Utilization Statistics. IEICE Transactions 89-B(1): 47-56 (2006)
8	EE	Masato Uchida, Satoshi Kamei, Ryoichi Kawahara, Takeo Abe: QoS-Aware Overlay Routing with Limited Number of Alternative Route Candidates and Its Evaluation. IEICE Transactions 89-B(9): 2361-2374 (2006)
2005
7	EE	Ryoichi Kawahara, Keisuke Ishibashi, Tatsuya Mori, Toshihisa Ozawa, Takeo Abe: Method of Bandwidth Dimensioning and Management for Aggregated TCP Flows with Heterogeneous Access Links. IEICE Transactions 88-B(12): 4605-4615 (2005)
6	EE	Ryoichi Kawahara, Keisuke Ishibashi, Takuya Asaka, Shuichi Sumita, Takeo Abe: A Method of Bandwidth Dimensioning and Management Using Flow Statistics. IEICE Transactions 88-B(2): 643-653 (2005)
2004
5	EE	Tatsuya Mori, Masato Uchida, Ryoichi Kawahara, Jianping Pan, Shigeki Goto: Identifying elephant flows through periodically sampled packets. Internet Measurement Conference 2004: 115-120
4	EE	Tatsuya Mori, Ryoichi Kawahara, Shozo Naito, Shigeki Goto: On the Characteristics of Internet Traffic Variability: Spikes and Elephants. SAINT 2004: 99-106
2002
3	EE	Tatsuya Mori, Ryoichi Kawahara, Shozo Naito: Analysis of Non-Gaussian Nature of Network Traffic CoRR cs.NI/0201004: (2002)
2	EE	Tatsuya Mori, Ryoichi Kawahara, Shozo Naito: Analysis of Non-Gaussian Nature of Network Traffic and its Implication on Network Performance CoRR cs.NI/0209004: (2002)
1997
1		Ryoichi Kawahara, Arata Koike, Mika Ishizuka, Masahito Koshiishi, Masatoshi Kawarasaki: Characteristics of ABR Explicit Rate Control Algorithms in WAN Environment. ICC (3) 1997: 1396-1400

Coauthor Index

1	Takeo Abe	[6] [7] [8] [12]
2	Masaki Aida	[9]
3	Takuya Asaka	[6] [9]
4	Shoichiro Asano	[9] [15] [16] [19] [21] [26]
5	Shigeki Goto	[4] [5] [13]
6	Shigeaki Harada	[14] [16] [19] [23] [24] [25] [26] [27]
7	Haruhisa Hasegawa	[25] [26]
8	Yutaka Hirokawa	[11] [21] [27]
9	Keisuke Ishibashi	[6] [7] [9] [11] [12] [15] [19] [21] [22]
10	Mika Ishizuka	[1]
11	Satoshi Kamei	[8] [10] [20]
12	Noriaki Kamiyama	[12] [14] [16] [17] [18] [19] [22] [23] [24] [25] [26]
13	Shoji Kasahara	[20]
14	Masatoshi Kawarasaki	[1]
15	Atsushi Kobayashi	[11] [21]
16	Arata Koike	[1]
17	Masahito Koshiishi	[1]
18	Eng Keong Lua	[18]
19	Tatsuya Mori	[2] [3] [4] [5] [7] [11] [12] [13] [14] [15] [16] [17] [18] [19] [21] [22] [23] [24] [25]
20	Shozo Naito	[2] [3] [4]
21	Satoshi Ono	[9]
22	Shunichi Osawa	[15]
23	Toshihisa Ozawa	[7]
24	Jianping Pan	[5] [13]
25	Hitoaki Sakamoto	[11] [21]
26	Shuichi Sumita	[6]
27	Yutaka Takahashi	[20]
28	Tetsuya Takine	[13]
29	Yasuo Tamura	[20]
30	Katsuyasu Toyama	[15]
31	Masato Uchida	[5] [8] [10] [13]
32	Kimihiro Yamamoto	[11] [21] [27]
33	Hideaki Yoshino	[22] [23] [25]