son for core networks

Radio Link Performance of Third Generation (3G) Technologies For Wireless Networks

... order to ensure strong header protection. Three header formats are used: one for MCS-7, MCS-8 and ixcorrection for CS-1; CRC only for CS-2, CS-3 and CS-4. 40,000 radio blocks per coding ... iiRadio Link Performance of Third Generation (3G) Technologies For Wireless Networks Gustavo Nader (Abstract) Third generation wireless mobile communication networks are characterized ... for the evolution from 2G to 3G, GPRS (General Packet Radio Services) and EDGE (Enhanced Data Rates for GSM Evolution) stand out as transitional solutions for existing TDMA IS-136 and GSM networks...

Tài liệu ADC KRONE - GUIDE - Planning for 10GbE networks docx

Danh mục: Quản trị mạng

... standards for 10Gbps transmissionover UTP, some manufacturers today have 10Gbps UTPcable with outside diameters (OD) ranging from 8mm to8.5mm – rather large in comparison to the nominal size for ... especiallyin dense applications.Are patch cords changing for 10Gbpstransmission?There is one change to look for when evaluating patchcords for use in a 10Gbps channel – stranded vs. solidwire. ... rate. For example, over 90% of switch portsales in 1995 were for the 10Mbps Ethernet protocol. Yetin that same year, the primary UTP cabling installed wasthe 100Mbps Category 5, accounting for...

Tài liệu Syngress Building DMZs for Enterprise Networks pptx

Danh mục: Quản trị mạng

... consultationand implementation for networks, security planning, and services. In addi-tion to consulting work, Norris provides technical training for clients andteaches for area community and technical ... ChangDrew SimonisDamiano ImperatoreDMZs for BuildingEnterprise Networks 250_DMZ_fm.qxd 6/5/03 2:27 PM Page iiixxviii Contents For FTP Service 586 For SMTP Service 586Summary 587Solutions ... trafﬁc.www.syngress.com250_DMZ_Fore.qxd 6/5/03 11:55 AM Page xxxivviiContributorsThomas W. Shinder M.D. (MVP, MCSE) is a computing industry vet-eran who has worked as a trainer, writer, and a consultant for Fortune...

Tài liệu Addressing profitability challenges in Advanced Fiber Management for FTTP networks ppt

Danh mục: Phần cứng

... Management for FTTP networks Advanced fiber management systems incorporate the latest techniques for optimizing access networks for accessibility and time required to reconfigure, perform maintenance, ... the patchcord, and hook up the appropriate test equipment. As stated before, this process can be problematic for many reasons, including technician errors, poor record keeping, or cable congestion ... proper connection for service turn-up, maintenance, or troubleshooting. Withdrawing the wrong connector only adds time, expense, and aggravation. Therefore, the optimal solution for preventing...

Tài liệu Designing Security for Microsoft Networks doc

Danh mục: Quản trị mạng

... Accounts 2 Lesson: Designing Security for Accounts 9 Lab A: Designing Security for Accounts 21 iv Designing Security for Microsoft® Networks Module 8: Creating a Security Design for Authentication ... Overview 1 Lesson: Analyzing Risks That Users Introduce 2 Lesson: Designing Security for Computer Use 6 Appendix B: Designing Policies for Managing Networks Overview 1 Lesson: Analyzing ... Resources 2 Lesson: Designing Security for Physical Resources 8 Lab A: Designing Security for Physical Resources 15 Module 6: Creating a Security Design for Computers Overview 1 Lesson: Determining...

Tài liệu Convergence Technologies for 3G Networks IP, UMTS, EGPRS and ATM doc

Danh mục: Quản trị mạng

Tài liệu ADC KRONE - GUIDE - Planning for 10GbE networks ppt

Danh mục: Quản trị mạng

... rate. For example, over 90% of switch portsales in 1995 were for the 10Mbps Ethernet protocol. Yetin that same year, the primary UTP cabling installed wasthe 100Mbps Category 5, accounting for ... givesTIA/EIA responsibility for developing measurableparameters for the cable and connectors.When in doubt, follow the IEEE lead.The IEEE 802.3 Study Group was formed to discuss howbest to ... costs for more telecom rooms toaccommodate 55 metres (vs. the standard 100 metres) are nominal compared to the added costs of purchasingadditional Ethernet switches and other active equipmentfor...

Tài liệu Universal Transport Platform for Access Networks doc

Danh mục: Phần cứng

... 32PNY16-OCU-1250s,32PNY16-ONT-1250s,and2PNY16-RNPNY16-16R-1250Ordering Information2/08•104743AEPON Express™ 16PON Express™ 16Universal Transport Platform for Access Networks 2www.adc.com • +1-952-938-8080 • 1-800-366-3891λλResidentialFTTCENET/VDSLGPON/EPONFTTHFTTNPassiveRemote ... with dedicated 100Mbps to 1Gbps to the homePON Express™ 16Universal Transport Platform for Access Networks www.adc.com • +1-952-938-8080 • 1-800-366-3891Spec SheetλFeatures: Supports ... ShelfModule PNY16-1310-OMCO Line Cards1.25GbpsEthernetLineCard for OLT PNY16-OCU-1250125MbpsEthernetLineCard for OLT PNY16-OCU-125Subscriber Equipment1.25GbpsEthernetSubscriberUnit...

Tài liệu Connectivity Solutions and Services for Wireless Networks pptx

Danh mục: Phần cứng

... business strategy when it comes time for any future upgrades, where flexibility is crucial for ongoing success. For ‘Flexible Network’ network solutions, look to ADC for the copper and fiber infrastructure ... RingConnectivity Solutions and Services for Wireless Networks Enabling Voice, VoIP, Messaging and IP DataConnectivity Solutions and Services for Wireless Networks Enabling Voice, VoIP, Messaging ... Protection for Coaxial lines also available (i.e. DS3) (Lit# 101039AE)X XMultimedia Converion SolutionsAn optical extension platform providing a carrier-class, intelligent, scalable platform for...

Tài liệu BICSI News - Determine the right media for your networks doc

Danh mục: Quản trị mạng

... 10GBASE- T for 100 meters» Installation – comparable to category 6, for smaller diameter cable» External and internal noise suppression, relative to category 6» Enhanced performance for PoE ... weaknesses of available media for the project. n John SchmidtJohn Schmidt is senior product manager, structured cabling, for ADC in Minneapolis, MN. For more information, visit www.adc.com/truenet ... which is noise between cables in a bundle, for 10GBASE-T applications. However, as with any copper system, an improperly grounded shielded system will perform poorly because the shields may become...

Tài liệu Security for Sensor Networks pdf

Danh mục: An ninh - Bảo mật

... stating how sensor networks are a solution. Section 4 details our security protocol for sensor networks. Section 5 details our implementation and simulation results. We state our plans for future work ... against cryptanalysisand brute force attacks for a 30 year period. In contrast, we require that the sensor network’s communicationswithstand a brute force attack for the life of the network and ... hazardousmaterials and munitions and to prevent illegal entry. For example, suppose information is developed leading to thesuspicion that some person or persons unknown will be attempting to move ﬁssionable...

Tài liệu Nurse’s Fast Facts: Your Quick Source for Core Clinical Content pdf

Danh mục: Sức khỏe giới tính

... tabsto speed access to the information. At the end of each sec-tion are blank pages, which allow users to “customize” thebook by adding information that they find helpful for eachspecialty.It is ... to the clinicalarea, where on-the-spot information may be needed.My goal in writing this book has been to provide aportable and easy-to-use source for quick answers to ques-tions I have frequently ... per-mission.)01Holloway-sec-1(1) 3/8/04 01:00 PM Page 5Copyright © 2004 F.A. DavisNurse’s Fast Facts:Your Quick Source for Core Clinical Content00Holloway-fm 3/8/04 12:57 PM Page iCopyright © 2004 F.A. DavisThe Human...

Báo cáo khoa học: C ﬁ G base mutations in the CArG box of c-fos serum response element alter its bending ﬂexibility Consequences for core-SRF recognition potx

Danh mục: Báo cáo khoa học

... determined by Raman for the free SREfosinsolution is roughly similar to that formed in SREfosin the crystal of its complex with the core- SRF [24].This study does not provide information on the ... cannot, therefore, beconsidered responsible for the differences in stoichio-metry observed previously between the complexesof SREfos, SREGfosand SREGGfosformed with the core- SRF.Interactions ... complex formation [6]. This speciﬁc doublehydrogen bond is essential for stabilization of thea1helix of core- SRF. Thus, both single and doublemutations affect binding of the proximal core- SRFsubunit...

SPINS: Security Protocols for Sensor Networks docx

Danh mục: An ninh - Bảo mật

... proposals for authenticated broadcast are impractical for sensor networks. First, most proposals rely on asymmetric digitalsignatures for the authentication, which are impractical for multi-ple reasons. ... [6] is nevertheless too expensive for our platform. Depend-ing on the implementation, AES was either too big or too slow for SPINS: Security Protocols for Sensor Networks Adrian Perrig, Robert ... wireless sensor networks being used for emer-gency and life-critical systems – and here the questions of securityare foremost.This paper presents a set of Security Protocols for Sensor Net-works,...

SPINS: Security Protocols for Sensor Networks docx

Danh mục: An ninh - Bảo mật

... proposals for au-thenticated broadcast are impractical for sensor networks. Most proposals rely on asymmetric digital signatures for theauthentication, which are impractical for multiple reasons(e.g., ... proposals for authenticated broadcast are impracti-cal for sensor networks. First, most proposals rely on asym-metric digital signatures for authentication, which are imprac-tical for multiple reasons, ... However, TESLA is not de-signed for the limited computing environments we encounterin sensor networks for the following three reasons:SPINS: SECURITY PROTOCOLS FOR SENSOR NETWORKS 527and we then...