AV 1000 BASE-T LAN 90 IEEE ac USB (3 ) LAN (IEEE 802.1X ) LAN AWS (Amazon Web Services) AP 3 USB wget iperf3 wget 40 MBytes 2 wget 40 MByt

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まなあわび
5 years ago
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1 1 BYOD LAN BYOD 1 Gb/s LAN BYOD LAN LAN Access Point (AP) IEEE n BYOD LAN AP wget iperf3 1 AP [2] 2 IEEE ac [3] AP 4 AV (207 m 2 ) ( 1 2 )[4, 5] AP Wave2 Aruba AP-335 Aruba LAN 7210 PoE Switch Juniper EX P ( 3) PoE Switch 1 Gb/s AV 5GHz W56 AP 20 MHz ( ) LAN AP 20 MHz 80 MHz ( 80 MHz 160 MHz) 1 fukuda@isc.kyutech.ac.jp 2 hatase@isc.kyutech.ac.jp 3 tomisige@isc.kyutech.ac.jp 4 toyohiro@isc.kyutech.ac.jp 13

2 AV 1000 BASE-T LAN 90 IEEE ac USB (3 ) LAN (IEEE 802.1X ) LAN AWS (Amazon Web Services) AP 3 USB wget iperf3 wget 40 MBytes 2 wget 40 MBytes (wget) = ( 40 MBytes 8 bit) 90 LAN 40 MBytes wget Mb/s iperf3 AWS TCP AWS ( ) 1 AP AP 2 4 IEEE ac 80 MHz 160MHz AP 3.1 (AP x ) AP 4 (W56 ) iperf3 5 iperf3 wget 40 MBytes CSMA/CA [6] 1 90 wget iperf3 1 Mb/s AWS wget iperf3 14

3 特集 1 図 1: AV 講義室図 2: AV 講義室内の端末 15 九州工業大学情報科学センター広報第 30 号

04.5), CPU 1vCPU, 8192 MB Amazon EC2, ap-northeast ( ), m4.large / 2vCPU (2.

4 3: LAN 1: HPE Aruba 7210, AP-335 3x3 MIMO wave2 W56 (100ch, 104ch, 108ch, 112ch AP ) USB NEC PA-WL900U BUFFALO WI-U3-866DS, I-O DATA WN-AC867U (2x2 MIMO) HP ProLiant DL360 Gen9 Intel(R) Xeon(R) CPU E GHz, Memory 64 GB, VMware ESXi 5.1.0, OS Ubuntu Linux Server (Ubuntu ubuntu ), CPU 1vCPU, 8192 MB Amazon EC2, ap-northeast ( ), m4.large / 2vCPU (2.3 GHz Intel Xeon(r) E v4), 8GB RAM, gp2 (100IOPS) / 30GB, DELL OPTIPLEX 9020, Intel(R) Core(TM) i GHz, Memory 8 GB, OS Ubuntu LTS (Ubuntu ubuntu ) wget 40 MBytes iperf3 300 TCP 16

4: (wget) AWS 100 IOPS LAN 60 wget AWS 2 iperf3 1 6 6 wget

5 4: (wget) AWS 100 IOPS LAN 60 wget AWS 2 iperf wget iperf3 iperf3 TCP wget 40 MBytes iperf3 6 (wget 1 60 ) 6.5 ( 2.24 Mb/s Mb/s) 3.2 AP (2 4 ) AP 1 [7] 1 AP 50 BYOD 1 AP AP wget 12 AP % 36 AP % 20 % 17

6 5: (iperf3) 6: (AWS ) iperf AP 2 AP AP 2 AP AP AP AP Mb/s Mb/s AP 30 18

7 7: AP (wget) 8: AP (iperf3) AP 1 AP 30 Windows Update ios update LAN 3.3 [8] 19

9: (iperf3) LAN 80 MHz 160 MHz AP 2 80 MHz (AP 20 MHz 40 MHz) 10 11 10 wget AP

1 iperf3 AP CSMA/CA 40 MHz AP 1 AP 60 160 MHz (AP 40 MHz 80 MHz) 12 13 12 13

8 9: (iperf3) LAN 80 MHz 160 MHz AP 2 80 MHz (AP 20 MHz 40 MHz) wget AP 2 11 iperf3 AP iperf3 AP CSMA/CA 40 MHz AP 1 AP MHz (AP 40 MHz 80 MHz) MHz AP 4 80 MHz AP 2 wget 90 OmniPeek MHz 80 % 400 Mb/s 23 % 1 AP 80 MHz 2 AP AP 40 MHz 4 AP CSMA/CA 2 1 AP 40 MHz 80 MHz 20

9 2: AP AP 80 MHz 2 (40 MHz 2) 4 (20 MHz 4) 160 MHz 2 (80 MHz 2) 4 (40 MHz 4) BYOD LAN 40 MHz AP LAN 21

10 10: (wget, 80 MHz) 11: (iperf3, 80 MHz) 22

11 12: (wget, 160 MHz) 13: (iperf3, 160 MHz) 23

12 14: (wget, 160 MHz, channel 100) 4 BYOD LAN LAN AP 1 AP MHz 160 MHz 1 AP 40 MHz 80 MHz BYOD LAN 1 AP 30 AP 40 MHz LAN BYOD LAN [1] : BYOD LAN,, 80 2D-01,

13 [2] : BYOD LAN, ( 40 ) [3] IEEE : IEEE Standard for Information technology Telecommunications and information exchange between systemslocal and metropolitan area networks Specific requirements Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications Amendment 4: Enhancements for Very High Throughput for Operation in Bands below 6 GHz, IEEE ac- 2013, [4] : ( ) Vol IOT-28, No. 20, pp. 1-6, [5] : LAN ( ) Vol IOT-28, No. 21, pp. 1-6, [6] G. Bianchi, Performance analysis of the IEEE distributed coor- dination function, IEEE Journal on Selected Areas in Communications, vol. 18, pp , March [7] : mpage,,, Vol.2010-CLE-2, No.8, pp.1-8, [8] : LAN ( ) Vol IOT-32, No. 1, pp. 1-8,

IPSJ SIG Technical Report Vol.2015-IOT-28 No /3/6 LAN 1,a) 1,b) 1,c) LAN IEEE ac 3 LAN Campus WiFi upgrades at Kyushu Institute

IPSJ SIG Technical Report Vol.2015-IOT-28 No /3/6 LAN 1,a) 1,b) 1,c) LAN IEEE ac 3 LAN Campus WiFi upgrades at Kyushu Institute LAN,a),b),c) 204 9 3 LAN IEEE 802.ac 3 LAN Campus WiFi upgrades at Kyushu Institute of Technology. 204 9 3 LAN LAN 200 LAN 200 LAN 34 47 8 2007 LAN 37 LAN Information Science Center, Kyushu Institute of