Mobilfunk- und Telekommunikationsnetze • Wiki • How to find a mark
Transcription
Mobilfunk- und Telekommunikationsnetze • Wiki • How to find a mark
17.01.2013 Activities Mobilfunk- und Telekommunikationsnetze Thomas Pfeiffenberger [email protected] MTN documents and infos • Wiki • users.fh-salzburg.ac.at/~tpfeiffe/ • MTN WS12/13 • password: mtn_ws12? • Documents • Working at Salzburg Research • Studied at FH, TKS until 1999 • IP quality QoS • Router • Application • • • • • Distributed IP measurement Application “CM Toolset” SW in safety critical functions SW Test methods SW development processes EU projects / national projects Evaluation • How to find a mark: • • • • • http://users.fh-salzburg.ac.at/~tpfeiffe/doku/mtnws12 Preparation before the course • • • • • One page per group What you have to do Read the handout Collect further information Hardcopy or send as email before the course start Preparation to each lesson (each group) Practical work during the lessons Protocols on each lesson (each group) Some questions and discussions during the lessons Protocol • Documentation • • • • • • What you have done Which SW/HW you have used Results/failures, errors Answer the question in the handouts If you have problems describe your solutions No screenshots or pictures 1 17.01.2013 Protocol • Send as Email • Not later than two week after the lesson • With Subject: • mtn_[course]_[names of the group] • e.g. mtn_sip_holzerhinterleitl • Attachment Tools • Iperf/Jperf (Java GUI) http://surfnet.dl.sourceforge.net/project/iperf/jperf http://code.google.com/p/xjperf/ • Wireshark • Tools to configure IP address on an interface (ipconfig, ifconfig, route, ..) • ping, traceroute, netstat, … • mtn[lesson][names of the group].[extension] • formated as [txt, doc, pdf] MTN Content GRAPHICS INTERNET LONG TEXT < RANGE > WLAN 802.11 WLAN security BackTrack 4 SIP VoIP infrastructure Zigbee communication SHORT • • • • Wireless Market • IEEE - Institute of Electrical & Electronics Engineers • 802.11 Wireless Local Area Network • www.ieee802.org/11/ STREAMING VIDEO DIGITAL VIDEO MULTI-CHANNEL VIDEO 802.11b LAN 802.11a/HL2 & 802.11g Bluetooth 2 ZigBee PAN Bluetooth1 LOW WLAN IEEE 802.11 HI-FI AUDIO < DATA RATE > HIGH WI-FI Alliance • www.wi-fi.org (formal www.wifialliance.com) • global non-profit organization • 1999 founded • single worldwide standard for high-speed wireless WLAN IEEE802.11 • Wi-Fi Certified since 1999 2 17.01.2013 IEEE 802.11 Standards Frequency plan 802.11 • IEEE 802.11 • • • • www.ieee.org Ethernet wireless CSMA CA (carrier sense multiple access with collision avoidance) • • • • 2,4-GHz ISM Band (2,4-2,4835) 5-GHz ISM Band (5,725-5,85) Industrial, Scientific und Medical ISM Band Different between countries 802.11 d • power management features • authentication and encryption (WEP, Wired Equivalent Privacy) Frequency plan 802.11 • • • • SIP VoIP /PBX Max 13 channels Channel bandwidth 25MHz Gap between channels 5MHz (signal distance) channels 1,6,11 • 1 • 6 • 11 2412 MHz 2437 MHz 2462 MHz Amatix InstantPBX • Amatix live CD • Asterisk PBX • default configuration • VMware image 2399,5-2424,5 MHz 2424,5-2449,5 MHz 2449,5-2474,5 MHz • Installation and configuration of a SIP infrastructure • Using an AMATIX ISO image • amatisoft.com • SIP Clients • Cisco 7960 VoIP Phones (if available) WLAN security • Back Track 4 – Linux Live DVD – VMWare • WarDriving-Forum.de 3 17.01.2013 ZigBee vs. IEEE 802.15.4 • mtn_einführung_zigbee_v10.ppt Task for today • Document the Ethernet configuration in room 460 • IP adr., cabeling • Measure the throuput • Between to host with jperf • Compare UDP and TCP with different packet sizes • Use wireshark to monitor the connection Wiederholung • Beschreiben Sie die statische Konfiguration einer IP Adresse, DNS und dem Default GW! • Beschreiben Sie die Konfiguration von Jperf für unterschiedliche Messungen (UDP, TCP, kleine Pakete, große Pakete, unterschiedliche Datenraten)! • Welchen Datendurchsatz erhalten Sie? Begründen und Diskutieren Sie den gemessenen Wert! • Welche Filtereinstellung im Wireshark ist notwendig um folgende Ergebnisse zu erhalten! (MAC Adr. des Senders, IP Adr. des Empfängers, … ) 4