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Kirjoituspohja VTT Science
IENCE C • •S T S E C Small world for dynamic wireless cyber-physical N O H I N systems S O I V Dissertation L • O S 142 G T Y H • R Industries and consumer markets are today increasingly using G I E L VTT SCIEN CE S H E G services exposed from wireless sensor and actuator networks, A I R H C cyber-physical machine-to-machine systems. The motivation for H the research arises from problems detected in the remote 1 4 2 interaction with embedded devices over dynamic wireless networks in such systems. The selected approach is based on the application of the small- world paradigm to cyber-physical systems. It is here assumed that the concept of small world, "six degrees of separation", can be expanded to also cover communication with wireless embedded devices in cyber-physical systems context. The main contributions are the technical enablers referred to as dynamic communication spaces, dynamic M2M service spaces, configuration and remote use of services, communication overlay, access systems selection, integrated mobility, secure ad hoc networking, situated opportunistic communication, hierarchical networking for small-world networks, and short-cuts for network optimization. The enablers have been evaluated as separate technical methods and means by means of experiments and/or simulations. According to the evaluations, the enablers seem to work well as separate building blocks and that they can be combined to expand the concept of small world to also cover communication with embedded devices. Wireless short-cuts can improve the scalability and efficiency of dynamic wireless networking and weak links are essential in the neighbour discovery process. -
Ubuntu Kung Fu
Prepared exclusively for Alison Tyler Download at Boykma.Com What readers are saying about Ubuntu Kung Fu Ubuntu Kung Fu is excellent. The tips are fun and the hope of discov- ering hidden gems makes it a worthwhile task. John Southern Former editor of Linux Magazine I enjoyed Ubuntu Kung Fu and learned some new things. I would rec- ommend this book—nice tips and a lot of fun to be had. Carthik Sharma Creator of the Ubuntu Blog (http://ubuntu.wordpress.com) Wow! There are some great tips here! I have used Ubuntu since April 2005, starting with version 5.04. I found much in this book to inspire me and to teach me, and it answered lingering questions I didn’t know I had. The book is a good resource that I will gladly recommend to both newcomers and veteran users. Matthew Helmke Administrator, Ubuntu Forums Ubuntu Kung Fu is a fantastic compendium of useful, uncommon Ubuntu knowledge. Eric Hewitt Consultant, LiveLogic, LLC Prepared exclusively for Alison Tyler Download at Boykma.Com Ubuntu Kung Fu Tips, Tricks, Hints, and Hacks Keir Thomas The Pragmatic Bookshelf Raleigh, North Carolina Dallas, Texas Prepared exclusively for Alison Tyler Download at Boykma.Com Many of the designations used by manufacturers and sellers to distinguish their prod- ucts are claimed as trademarks. Where those designations appear in this book, and The Pragmatic Programmers, LLC was aware of a trademark claim, the designations have been printed in initial capital letters or in all capitals. The Pragmatic Starter Kit, The Pragmatic Programmer, Pragmatic Programming, Pragmatic Bookshelf and the linking g device are trademarks of The Pragmatic Programmers, LLC. -
PENGAMANAN PAYLOAD Voip BERBASIS ASTERISK DENGAN PROTOKOL SRTP MENGGUNAKAN TWINKLE
PENGAMANAN PAYLOAD VoIP BERBASIS ASTERISK DENGAN PROTOKOL SRTP MENGGUNAKAN TWINKLE Oleh: MUHARTANTO E 103091029610 PROGRAM STUDI TEKNIK INFORMATIKA FAKULTAS SAIS DAN TEKNOLOGI UNIVERSITAS ISLAM NEGERI SYARIF HIDAYATULLAH JAKARTA 2010 M/1431 H i PENGAMANAN PAYLOAD VoIP BERBASIS ASTERISK DENGAN PROTOKOL SRTP MENGGUNAKAN TWINKLE Skripsi Diajukan untuk Memenuhi Persyaratan Memperoleh Gelar Sarjana Komputer Pada Fakultas Sains dan Teknologi Universitas Islam Negeri Syarif Hidayatullah Jakarta Oleh: MUHARTANTO E 103091029610 PROGRAM STUDI TEKNIK INFORMATIKA FAKULTAS SAIS DAN TEKNOLOGI UNIVERSITAS ISLAM NEGERI SYARIF HIDAYATULLAH JAKARTA 2010 M/1431 H ii PENGAMANAN PAYLOAD VoIP BERBASIS ASTERISK DENGAN PROTOKOL SRTP MENGGUNAKAN TWINKLE Skripsi Sebagai salah satu syarat untuk memperoleh gelar Sarjana Komputer Fakultas Sains dan Teknologi Universitas Islam Negeri Syarif Hidayatullah Jakarta Oleh: MUHARTANTO E 103091029610 Menyetujui, Pembimbing I, Pembimbing II, Arini, MT Zulfiandri, MMSI NIP. 197601312009012001 NIP. 197001302005011003 Mengetahui, Ketua Program Studi Teknik Informatika Yusuf Durrachman, MIT NIP. 197105222006041002 iii PROGRAM STUDI TEKNIK INFORMATIKA FAKULTAS SAINS DAN TEKONOLOGI UIN SYARIF HIDAYATULLAH JAKARTA Dengan ini menyatakan bahwa skripsi yang ditulis oleh : Nama : Muhartanto E NIM : 103091029610 Fakultas : Sains dan Teknologi Program Studi : Teknik Informatika Judul Skripsi : Pengamanan Payload VoIP Berbasis Asterisk Dengan Protokol SRTP Menggunakan Twinkle. Dapat diterima sebagai syarat kelulusan untuk memperoleh gelar Sarjana Komputer pada Program Studi Teknik Informatika, Fakultas Sains dan Teknologi, Universitas Islam Negeri Syarif Hidayatullah Jakarta. Jakarta, Agustus 2010 Menyetujui, Dosen Pembimbing Dosen Pembimbing I Dosen Pembimbing II Arini, MT Zulfiandri, MMSI NIP. 19760131 200901 2 001 NIP. 19700130 200501 1 003 Mengetahui, Dekan Fakultas Sains & Teknologi Ketua Prodi Teknik Informatika DR. Syopiansyah Jaya Putra, M.Sis Yusuf Durrachman, MIT NIP. -
Free As in Freedom
Daily Diet Free as in freedom ... • The freedom to run the program, for any purpose (freedom 0). Application Seen elsewhere Free Software Choices • The freedom to study how the program works, and adapt it to Text editor Wordpad Kate / Gedit/Vi/ Emacs your needs (freedom 1). Access to the source code is a precondition for this. Office Suite Microsoft Office KOffice / Open Office • The freedom to redistribute copies so you can help your Word Processor Microsoft Word Kword / Writer Presentation PowerPoint KPresenter / Impress neighbor (freedom 2). Spreadsheet Excel Kexl / Calc • The freedom to improve the program, and release your Mail & Info Manager Outlook Thunderbird / Evolution improvements to the public, so that the whole community benefits (freedom 3). Access to the source code is a Browser Safari, IE Konqueror / Firefox precondition for this. Chat client MSN, Yahoo, Gtalk, Kopete / Gaim IRC mIRC Xchat Non-Kernel parts = GNU (GNU is Not Unix) [gnu.org] Netmeeting Ekiga Kernel = Linux [kernel.org] PDF reader Acrobat Reader Kpdf / Xpdf/ Evince GNU Operating Syetem = GNU/Linux or GNU+Linux CD - burning Nero K3b / Gnome Toaster Distro – A flavor [distribution] of GNU/Linux os Music, video Winamp, Media XMMS, mplayer, xine, player rythmbox, totem Binaries ± Executable Terminal>shell>command line – interface to type in command Partition tool Partition Magic Gparted root – the superuser, administrator Graphics and Design Photoshop, GIMP, Image Magick & Corel Draw Karbon14,Skencil,MultiGIF The File system Animation Flash Splash Flash, f4l, Blender Complete list- linuxrsp.ru/win-lin-soft/table-eng.html, linuxeq.com/ Set up Broadband Ubuntu – set up- in terminal sudo pppoeconf. -
A Survey of Open Source Products for Building a SIP Communication Platform
Hindawi Publishing Corporation Advances in Multimedia Volume 2011, Article ID 372591, 21 pages doi:10.1155/2011/372591 Research Article A Survey of Open Source Products for Building a SIP Communication Platform Pavel Segec and Tatiana Kovacikova Department of InfoCom Networks, University of Zilina, Univerzitna 8215/1, 010 26 Zilina, Slovakia Correspondence should be addressed to Tatiana Kovacikova, [email protected] Received 29 July 2011; Revised 31 October 2011; Accepted 15 November 2011 Academic Editor: T. Turletti Copyright © 2011 P. Segec and T. Kovacikova. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The Session Initiation Protocol (SIP) is a multimedia signalling protocol that has evolved into a widely adopted communication standard. The integration of SIP into existing IP networks has fostered IP networks becoming a convergence platform for both real- time and non-real-time multimedia communications. This converged platform integrates data, voice, video, presence, messaging, and conference services into a single network that offers new communication experiences for users. The open source community has contributed to SIP adoption through the development of open source software for both SIP clients and servers. In this paper, we provide a survey on open SIP systems that can be built using publically available software. We identify SIP features for service deve- lopment and programming, services and applications of a SIP-converged platform, and the most important technologies support- ing SIP functionalities. We propose an advanced converged IP communication platform that uses SIP for service delivery. -
Fedora 17 System Administrator's Guide
Fedora 17 System Administrator's Guide Deployment, Configuration, and Administration of Fedora 17 Jaromír Hradílek Douglas Silas Martin Prpič Stephen Wadeley Eliška Slobodová Tomáš Čapek Petr Kovář John Ha System Administrator's Guide David O'Brien Michael Hideo Don Domingo Fedora 17 System Administrator's Guide Deployment, Configuration, and Administration of Fedora 17 Edition 1 Author Jaromír Hradílek [email protected] Author Douglas Silas [email protected] Author Martin Prpič [email protected] Author Stephen Wadeley [email protected] Author Eliška Slobodová [email protected] Author Tomáš Čapek [email protected] Author Petr Kovář [email protected] Author John Ha Author David O'Brien Author Michael Hideo Author Don Domingo Copyright © 2012 Red Hat, Inc. and others. The text of and illustrations in this document are licensed by Red Hat under a Creative Commons Attribution–Share Alike 3.0 Unported license ("CC-BY-SA"). An explanation of CC-BY-SA is available at http://creativecommons.org/licenses/by-sa/3.0/. The original authors of this document, and Red Hat, designate the Fedora Project as the "Attribution Party" for purposes of CC-BY-SA. In accordance with CC-BY-SA, if you distribute this document or an adaptation of it, you must provide the URL for the original version. Red Hat, as the licensor of this document, waives the right to enforce, and agrees not to assert, Section 4d of CC-BY-SA to the fullest extent permitted by applicable law. Red Hat, Red Hat Enterprise Linux, the Shadowman logo, JBoss, MetaMatrix, Fedora, the Infinity Logo, and RHCE are trademarks of Red Hat, Inc., registered in the United States and other countries. -
Copyrighted Material
37_125052 bindex.qxp 3/23/07 6:36 PM Page 343 Index Applications (Ubuntu Help Centre Symbols and Numerics window), 288 (@) at character, 70 Applications menu (GNOME desktop) (\) backslash character, 66 Accessories menu, 151 (:) colon character, 70 Add & Remove menu, 152 802.11a networks, 96 Games menu, 151 802.11b networks, 95–96 Graphics menu, 152 802.11g networks, 95–96 Internet menu, 152 802.11i networks, 95–96 Office menu, 152 802.11n networks, 96 Sound & Video menu, 152 (/) slash character, 65 applications, starting, 164–165 (~) tilde character, 70 APs (Access Points) overview, 98 unencrypted APs, 93, 97, 98–102 • A • WEP-encrypted APs, 93, 98, 102–103 WPA-encrypted APs, 98, 103–110 About GNOME option (GNOME desktop), apt-get utility 153 package installation with, 298 About OpenOffice.org, 289 package updating with, 296 About Ubuntu (Ubuntu Help Centre Archive Manager, 167 window), 288 asymmetric keys, 324 About Ubuntu option (GNOME desktop), at (@) character, 70 153 Audacity sound editor access points (APs) converting files, 267–268 overview, 98 installing, 266 unencrypted APs, 93, 97, 98–102 multimedia, 266–268 WEP-encrypted APs, 93, 98, 102–103 setting up, 266–267 WPA-encrypted APs, 98, 103–110 audio CDs, burning, 265–270 accessories, 167–168 audio files, playing, 257–258 Accessories menu (GNOME desktop), 151 automatic suspension, programming your activating the new settings for static IP computer for, 76 addresses, 89–90 COPYRIGHTEDautomatic MATERIAL update system for Firefox, 188 Add/Remove application, 170 Add & Remove menu -
Linphone a Good Working Skype Voice Over IP Alternative
Walking in Light with Christ - Faith, Computing, Diary Articles & tips and tricks on GNU/Linux, FreeBSD, Windows, mobile phone articles, religious related texts http://www.pc-freak.net/blog Linphone a good working Skype voice over IP alternative Author : admin If you never tried linphone I warmly recommend it. 2 days ago, with a friend of mine we tested a bunch of Linux softwares to find out what is the situation with possible alternatives to Skype to transmit Voice and Video. I've been interested into Skype Alternative programs since about 2 years, but so far I never found good and easy to set up working Linux alternative. We first tried Ekiga. Though it is said to be a good Linux SKype alternative, my ekiga client running on Debian Linux stable Squeeze ver. 3.2.7.2 failed to connect to SIP account I've created on ekiga.net. I've tried hard to make ekiga connect to account SIP created from ekiga.net but all time I was getting an error on connect: Ekiga did not manage to configure your network settings automatically. You can still use it, but you need to configure your network settings manually. Please see http://wiki.ekiga.org/index.php/Enable_port_forwarding_manually for instructions After continously trying to follow instructions from above pointed URL and making proper settings on my DL-524 Wireless Router and all time ending up with the annoying error, we decided to finally completely abondoned it and try some other voice over IP clients. We tried Jitsi and few others which prooved to be unworking. -
U | UML | Xen | Wine REVIEWED Vmware 5.5
Jon “maddog” Hall | GPL 3 | GCJ | VMware | QEMU | UML | Xen | Wine REVIEWED VMware 5.5 ™ Since 1994: The Original Magazine of the Linux Community MAY 2006 | www.linuxjournal.com Virtual Linux NEW COLUMN: Jon “maddog” Hall’s Beachhead Tales from the Beach Embedded Java with GCJ Using RTNETLINK AN PUBLICATION USA $5.00 PLUS CAN $6.50 U|xaHBEIGy03102ozXv!:; Is Linux VoIP Ready? MAY 2006 CONTENTS Issue 145 FEATURES ON THE COVER: IMAGE BY AYAAZ RATTANSI 60 RUNNING SOUND APPLICATIONS UNDER WINE 72 XEN You can make Linux sound better with a little Wine. Xen’s unusual approach to virtual systems can give it a speed edge. Dave Phillips Irfan Habib 64 USER-MODE LINUX ON THE COVER Run Linux on top of Linux? It makes sense. Really. • VMware 5.5, p. 56 Matthew E. Hoskins • Jon "maddog" Hall's Beachhead, p. 46 68 QEMU: A MULTIHOST, MULTITARGET EMULATOR • Embedded Java with GCJ, p. 76 Can a free virtual system offer what you need? • Using RTNETLINK, p. 86 Daniel Bartholomew • Is Linux VoIP Ready? p. 80 2 | may 2006 www.linuxjournal.com MAY 2006 CONTENTS Issue 145 COLUMNS REVIEW 22 REUVEN LERNER’S 56 VMWARE WORKSTATION 5.5 AT THE FORGE FOR LINUX HOSTS Google Web Services Mick Bauer 28 MARCEL GAGNÈ’S COOKING WITH LINUX The Virtual Streets of $HOME INDEPTH 80 IS LINUX VOICE OVER IP READY? 76 EMBEDDED JAVA WITH GCJ 34 DAVE TAYLOR’S GCJ may not be for end-user applications, WORK THE SHELL but it’s the bomb for embedded systems. Counting Cards Gene Sally Next Month 36 MICK BAUER’S 80 IS LINUX VOICE OVER IP READY? PARANOID PENGUIN What are the viable VoIP options for Linux Security Features in Debian 3.1 and how do they compare? Machtelt Garrels STORAGE 42 DEE-ANN LEBLANC’S Next month, we’re going fishing. -
Pipenightdreams Osgcal-Doc Mumudvb Mpg123-Alsa Tbb
pipenightdreams osgcal-doc mumudvb mpg123-alsa tbb-examples libgammu4-dbg gcc-4.1-doc snort-rules-default davical cutmp3 libevolution5.0-cil aspell-am python-gobject-doc openoffice.org-l10n-mn libc6-xen xserver-xorg trophy-data t38modem pioneers-console libnb-platform10-java libgtkglext1-ruby libboost-wave1.39-dev drgenius bfbtester libchromexvmcpro1 isdnutils-xtools ubuntuone-client openoffice.org2-math openoffice.org-l10n-lt lsb-cxx-ia32 kdeartwork-emoticons-kde4 wmpuzzle trafshow python-plplot lx-gdb link-monitor-applet libscm-dev liblog-agent-logger-perl libccrtp-doc libclass-throwable-perl kde-i18n-csb jack-jconv hamradio-menus coinor-libvol-doc msx-emulator bitbake nabi language-pack-gnome-zh libpaperg popularity-contest xracer-tools xfont-nexus opendrim-lmp-baseserver libvorbisfile-ruby liblinebreak-doc libgfcui-2.0-0c2a-dbg libblacs-mpi-dev dict-freedict-spa-eng blender-ogrexml aspell-da x11-apps openoffice.org-l10n-lv openoffice.org-l10n-nl pnmtopng libodbcinstq1 libhsqldb-java-doc libmono-addins-gui0.2-cil sg3-utils linux-backports-modules-alsa-2.6.31-19-generic yorick-yeti-gsl python-pymssql plasma-widget-cpuload mcpp gpsim-lcd cl-csv libhtml-clean-perl asterisk-dbg apt-dater-dbg libgnome-mag1-dev language-pack-gnome-yo python-crypto svn-autoreleasedeb sugar-terminal-activity mii-diag maria-doc libplexus-component-api-java-doc libhugs-hgl-bundled libchipcard-libgwenhywfar47-plugins libghc6-random-dev freefem3d ezmlm cakephp-scripts aspell-ar ara-byte not+sparc openoffice.org-l10n-nn linux-backports-modules-karmic-generic-pae -
Download the Index
41_067232945x_index.qxd 10/5/07 1:09 PM Page 667 Index NUMBERS 3D video, 100-101 10BaseT Ethernet NIC (Network Interface Cards), 512 64-bit processors, 14 100BaseT Ethernet NIC (Network Interface Cards), 512 A A (Address) resource record, 555 AbiWord, 171-172 ac command, 414 ac patches, 498 access control, Apache web server file systems, 536 access times, disabling, 648 Accessibility module (GNOME), 116 ACPI (Advanced Configuration and Power Interface), 61-62 active content modules, dynamic website creation, 544 Add a New Local User screen, 44 add command (CVS), 583 address books, KAddressBook, 278 Administrator Mode button (KDE Control Center), 113 Adobe Reader, 133 AFPL Ghostscript, 123 41_067232945x_index.qxd 10/5/07 1:09 PM Page 668 668 aggregators aggregators, 309 antispam tools, 325 aKregator (Kontact), 336-337 KMail, 330-331 Blam!, 337 Procmail, 326, 329-330 Bloglines, 338 action line special characters, 328 Firefox web browser, 335 recipe flags, 326 Liferea, 337 special conditions, 327 Opera web browser, 335 antivirus tools, 331-332 RSSOwl, 338 AP (Access Points), wireless networks, 260, 514 aKregator webfeeder (Kontact), 278, 336-337 Apache web server, 529 album art, downloading to multimedia dynamic websites, creating players, 192 active content modules, 544 aliases, 79 CGI programming, 542-543 bash shell, 80 SSI, 543 CNAME (Canonical Name) resource file systems record, 555 access control, 536 local aliases, email server configuration, 325 authentication, 536-538 allow directive (Apache2/httpd.conf), 536 installing Almquist shells -
Real-Time Transport of Internet Telephony Service Utilizing Embedded Resource-Constrained Systems Kyle Persohn Marquette University
Marquette University e-Publications@Marquette Master's Theses (2009 -) Dissertations, Theses, and Professional Projects Real-Time Transport of Internet Telephony Service Utilizing Embedded Resource-Constrained Systems Kyle Persohn Marquette University Recommended Citation Persohn, Kyle, "Real-Time Transport of Internet Telephony Service Utilizing Embedded Resource-Constrained Systems" (2012). Master's Theses (2009 -). Paper 162. http://epublications.marquette.edu/theses_open/162 REAL-TIME TRANSPORT OF INTERNET TELEPHONY SERVICE UTILIZING EMBEDDED RESOURCE-CONSTRAINED SYSTEMS by Kyle Persohn A Thesis Submitted to the Faculty of the Graduate School, Marquette University, in Partial Fulfillment of the Requirements for the Degree of Master of Science Milwaukee, Wisconsin August 2012 ABSTRACT REAL-TIME TRANSPORT OF INTERNET TELEPHONY SERVICE UTILIZING EMBEDDED RESOURCE-CONSTRAINED SYSTEMS Kyle Persohn Marquette University, 2012 This thesis presents a real-time framework for resource-constrained devices that improves the listening quality of Voice over Internet Protocol calls transported over congested networks. Many VoIP standards and implementations exist, but gaps in the design space encourage further exploration that previous work fails to address. We describe an experimental hardware platform that expands upon a previous design to accommodate technical research and educational needs. Our framework, based on the Real-Time Transport Protocol, integrates closely with existing software constructs available in the Embedded Xinu operating system. We offer features derived from RTP by means of a kernel device that alleviates an application from directly interacting with the underlying protocol. An example application based on Xinu's RTP implementation demonstrates measurable robustness to packet loss and delay variation (jitter)|adverse conditions affecting networks used for VoIP, such as the Internet.