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The youth of today believe in the anytime, anyplace, anywhere mobile culture. For instance, they are seen constantly checking for, and writing new text messages.
Idioma:Inglés
Puntuación: 188.16 - https://www.itu.int/osg/spu/sp...news/2004/flash/september.html
Fuente de datos: un
v Logical aspect A public or private network that carries information relevant to national security and safety or information of high financial value v Physical aspect The whole network or a part of the network that exchanges information of high significance 10 Network Trends: Internet Network Trends: Internet v The twenty-first century is the era of the Internet. v Internet has been helpful to combine techniques of traditional industry and info-communication. 11 v Inefficient communications v High cost and low transmission speeds to end-users v “Bottleneck” impediments to the construction of high-speed networks v Unfair network access policies v Inefficient network extension v Excessive waiting times v Service with no guarantee of the bandwidth between end users and QoS for a real-time service vv Poor of security provision Need to develop Next-Generation Internet (NGI) ProblemsProblems of Internetof Internet 12 Hierarchical Architecture of Internet Hierarchical Architecture of Internet ISP Network Carrier Network BackboneNetwork AccessNetwork Data Network (F/R, X.25) Optical Network PSTN/ISDN CATV Leased Line LAN F/R X.25 PSTN ISDN Cable Modem Headend May cause May cause ““BottlenecksBottlenecks”” 13 Next Generation InternetNext Generation Internet v Resolve today’s Internet problems v Adjust to changes in demand as society becomes more information-oriented v Present potential solutions to the problems of network congestion, service delay, lack of addresses, expensive charges, etc. v Support multimedia and mobile services of a high speed and performance with guaranteed qualities 14 NGI (United States)NGI (United States) 15 NGI (Canada: NGI (Canada: CANARIE)CANARIE) 16 Hierarchical Architecture of NGIHierarchical Architecture of NGI Next Generation Internet Network (High-Speed Network) TAP APAN-SG TAP TEN-155 TAP vBNS Star-TAP CA*net2 TAP APAN-JP TAP NAP NAP Regional ISP A Regional ISP B Regional ISP C Giga-POP Giga-POP Campus Network Customer Network Customer Network Backbone (High-Speed Network) 17 SecuritySecurity of Internet / NGIof Internet / NGI v Security services are applied to individual systems, networks of a particular nation. v Necessary to apply security system at the intermediate access point v Interoperability among individual security systems should be provided. v Secure network techniques should be introduced. 18 Mobile CommunicationMobile Communication v Anywhere, anytime, anyplace communication systems v Next-generation mobile systems foresee the convergence of mobile, fixed and IP networks towards future high-speed services. v International Trends of Mobile Systems Ø Evolved from the 1st generation to the 2nd generation (2G) • From analogue to digital system • Provide better quality and higher capacity at a lower cost • 2G (CDMA, GSM, TDMA) Ø 2.5G system • HDR, GPRS, EDGE Ø The 3rd generation (3G) system • Called IMT-2000 or FPLMTS • Integrated applications and services o multimedia messaging, infotainment, location-based services, etc,. • cdma2000, W-CDMA Ø The 4th generation (4G) system • Various internetworking and integrating technologies • IP and high-speed packet wireless transmission • Provide mobile multimedia services over tens of Mbps at low cost 19 From 2G to 3G mobile systemsFrom 2G to 3G mobile systems C D M A GSM T D M A H D R G P R S E D G E Cdma2000 1x cdma2000 W -C D M A 2 G 2001 - 2002 2000- 2001 2002 - 2003 2003- 2005 384 kbps 1.8 -2 .4 mbps 115 kbps 2 mbps?
Idioma:Inglés
Puntuación: 162.63 - https://www.itu.int/osg/spu/ni...kshop/presentations/cni.13.pdf
Fuente de datos: un
PROVISIONAL VERBATIM RECORD OF THE 4TH MEETING, HELD AT HEADQUARTERS, NEW YORK, ON MONDAY, 21 SEPTEMBER 1987 : GENERAL ASSEMBLY, 42ND SESSION
Freedom in Nicaragua, or Angola, or Afghanistan, or Cambodia, or Eastern Europe, or South Africa or anyplace else on the globe is not just an internal matter.
Idioma:Inglés
Puntuación: 145.1 - daccess-ods.un.org/acce...f/get?open&DS=A/42/PV.4&Lang=E
Fuente de datos: ods
SECURITY COUNCIL OFFICIAL RECORDS, 39TH YEAR, 2549TH MEETING, 16 AUGUST 1984, NEW YORK
UNITED NATIONS SECURITY :,COUNCIL OF’FICIAL RECORDS THIRTY-NINTH YEAR 'pRQ 4 !93 ~- '. - i ., NEWYORK . . CONTENTS Page Provisional agenda (S/Agenda/2549). . . . . . . . . . . . . . .
Idioma:Inglés
Puntuación: 145.1 - daccess-ods.un.org/acce...t?open&DS=S/PV.2549(OR)&Lang=E
Fuente de datos: ods
SECURITY COUNCIL, 71ST YEAR : 7814TH MEETING, THURSDAY, 17 NOVEMBER 2016, NEW YORK
A group that calls itself the Angry Youth of former Northern Bhar el-Ghazal posted the following message on Facebook directed at civilians in the southern Equatoria region: “We are going to take a quick revenge attack against Equatorians anywhere and anyplace from now on. We will find you and kill you.
Idioma:Inglés
Puntuación: 133.14 - https://daccess-ods.un.org/acc...f/get?open&DS=S/PV.7814&Lang=E
Fuente de datos: ods
Technology that theoretically provides telecommunication access from anyplace on the surface of the earth is already available.
Idioma:Inglés
Puntuación: 121.44 - https://www.itu.int/ITU-D/ict/...ublications/wtdr_98/wtdr98.pdf
Fuente de datos: un
Technology that theoretically provides telecommunication access from anyplace on the surface of the earth is already available.
Idioma:Inglés
Puntuación: 121.44 - https://www.itu.int/ITU-D/ict/...ublications/WTDR_98/wtdr98.pdf
Fuente de datos: un
Technology that theoretically provides telecommunication access from anyplace on the surface of the earth is already available.
Idioma:Inglés
Puntuación: 121.44 - https://www.itu.int/itudoc/itu-d/wtdc/wtdc98/doc/143.pdf
Fuente de datos: un