the network edge ppt

... Ethernet/TDM Services at the Metro Edge With customers demanding higher speed Ethernet services at lower price points, carriers are looking for ways to offer new services while maintaining the ... to extend the life of current infrastructures and be able to migrate to the next generation of networks at the appropriate time. ADCs LoopStar đ 700 product family addresses all of these requirements ... 1 LoopStar đ 750 Cost-Effective Ethernet/TDM Services at the Metro Edge Innovation for Next Generation Ethernet and IP Services Based on a flexible, IP-centric architecture, the LoopStar 750 uses programmable...

Ngày tải lên: 10/12/2013, 19:15

... Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without ... permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without ... permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without permission. Reproduced with permission of the copyright owner. Further reproduction prohibited without...

Ngày tải lên: 27/01/2014, 11:20

... issues, the Intermediate Distribution Frame (IDF) on the second floor was installed in the southeast corner of the second floor, beyond the reach of typical Ethernet standards. The majority of the ... design their OSPF network for scalability, implementing the corporate office as the backbone and their first branch office as a different area (which allows for summarization in the network) . NOTE: ... Services and Security Scenario The NuggetLabs Branch rollout is successful! All devices are communicating the way they should across the network. As the final phase of the implementation, you need...

Ngày tải lên: 14/03/2014, 16:20

... Extending the Metro Network Further Service providers must be able to deliver a diverse mix of services to all customers—regardless of the capacity size or location—across any type of network. ... Network Further Application Diversity The high-performance LoopStar 722 edge platform can reach across any type of network (SONET/SDH, Optical Ethernet, CWDM/DWDM, RPR, etc.) to deliver uniform high-speed Ethernet and ... office or hub Ethernet Edge Switch Multi-Customer On-Net Single Customer On-Net Fiber-attached locations Ethernet T1/E1 Ethernet T1/E1 Single Customer Off-Net Ethernet T1/E1 IP...

Ngày tải lên: 10/12/2013, 19:15

... While WMM focuses on improving the network, WMM Power Save was created with the goal of improving the performance of devices that access the network. All wireless network interfaces require processing ... 802.1X/EAP authentication (fast) while maintaining a PMK that ensures that the station is allowed on the network (secure). The problem with PMK caching is that the initial association to each AP on the ... forsaken by the designers of 802.11i FSR. The second way of limiting server-based authentications is preauthentication. Preauthentication is an optional part of the 802.11i amendment, so there are...

Ngày tải lên: 24/01/2014, 09:20

... map of the protected networks behind the router or the firewall. Also, he can perform a denial of service attack by flooding the router, the firewall or the hosts on the protected network ... on the router or the firewall to fill up, thereby denying service to legitimate TCP traffic. ã Protect the router, the firewall or the protected network from unnecessary ICMP traffic. There ... assigned to them. These files are generally executed by a script, cron job, or other application that temporarily changes the permissions during the execution of the program, then resets the program...

Ngày tải lên: 14/02/2014, 08:20

... dedicated network- security hardware such as firewalls and IDSs to provide protection for all areas of the network. Be sure to consider all types of users on the network. Diversity of users on the network ... versions suitable for home use. The firewall creates a protective layer between the net- work and the outside world. In effect, the firewall replicates the network at the point of entry so that it ... parts of the network must be adequately regulated by the policies as well. Who Will Enforce and Manage the Policies? The individual or group of people that polices and maintains the network and...

Ngày tải lên: 14/02/2014, 16:20

... delivery vehicle. As the driver parks at the dock, the driver’s computer has already logged onto the network and transferred the day's delivery data to the central network. CWNA Study ... of the same network without the expense of leased lines or the need to dig up the ground between buildings. With the proper wireless antennas, any number of buildings can be linked together ... weighing the subject areas and ensuring that the weighting is representative of the relative importance of the content. This section outlines the exam objectives for the CWNA exam. ! The...

Ngày tải lên: 17/02/2014, 15:20

... YouworkinMarketing.Letssaythatamongyourtasksisnettingafewjuicyspeakingopportunitiesforyourcompanystop executive. Youfillouttheforms.Followup.Nailthegig.Akeynote,noless!Yay! Priortotheevent,youdraftaMediaAdvisoryabouttheCEOsupcomingspeech.Youpingmembersofthe mediawhowillbeinattendance:wanttohookupwiththeCEOforlunchafterherspeech? YouattendthekeynotewiththeCEO.Youtakenotesonherspeakingpoints:thesecouldbethecrumbsofa newtrendpitch Immediatelyafterherspeech,youscurryabouttheauditorium,scanningforgreenpressbadges.Maybeyoucan drumupanextrabriefingortwoorthree! Afteritsalldone,youhaveadrinkandrubyourachingfeetintheairportlounge.Jobwelldone,mission accomplished. Sure:yesterdaythatwouldhavebeenenough.Yesterdaythatwouldhavenettedyouanattaboy fromtheCEO. Tomorrow,though,thatplanofactionwillnotbeenough.TomorrowyouwilldoALLOFTHE ABOVE,plus,inthedawningageofContentMarketing,youllwantto: ã InterviewtheCEOinthecaronthewaytotheevent,withyourFlipcam. ã HustletheCEOintoaquietconferenceroomforanimpromptupodcast. ã ...    www.pr‐squared.com 31 Remember,youonlyget255characterspaceswithdel.icio.us,so,keepitshort&sweet,likeso: “Noticedyou’dsavedSHIFT’sSocialMediaNewsReleasetemplate.ThoughtyoumightalsobeinterestedinthisSocialMedia Newsroomtemplate.There’sa PPT available,whichdescribes the wholeapproach,atshiftcomm.com.I’m attodd@shiftcomm.com.” That’s247characterspaces,inwhichwe’veexplainedHOWwefound the person(relevancy),WHYweare“intruding,”andWHERE theycangetmoreinfoifinterested,includinghow‐towriteback,formoreinfo(ortokvetch). It’simportanttonotethatmanypeoplewhousedel.icio.usforpersonalreasonsdraftquicknotes(tothemselvesand/orto the community)aboutWHYtheysaved the link.Thisallowsforamoremeticulousapproach,i.e.,ifsomeonehasnotedthattheydislike the SocialMediaNewsReleasetemplate,theyshouldn’tget the genericnoteusedabove!Wecouldignorethem,ortryasofter approach. Nowwhat? Once the outreachhasbeenmadevia the “for:username”function,somefolkson the receivingendofourcampaignwillelectto “accept”thislinkbyactivelysavingitwithintheiraccount(ametricyoucantrack).Somefolkswilltakefurtheraction:theymight blogaboutit(measurable);theymightdownload the template(measurable);theymightcommentat the originalNewsroom’sdebut blogpost(measurable).Theymightemailyoudirectly(measurable).Theymightdonothing(alsomeasurable). Inanyeventwecanfeelprettyconfidentthatwe’veONLYreachedouttopeoplewhowouldlikelybegenuinelyinterested,basedon theirprior,public,socialbookmarkingbehavior.Ifwe’vekickstarted the conversationaboutSocialMediaNewsroomsa‐fresh,it’s likelygoingtobeasmoothandproductivetransitionwiththiscrowd. Harkeningbacktomystatementthat“yourmileagemayvary,”youshouldkeepinmindthatnotallend‐userswillappreciatebeing reachedouttointhisway.But the approachIamdiscussinghereallows the marketertonarrowtheiroutreachbasedon identifiable,contextualand(Idaresay)legitimateapproaches:“YoupubliclysavedTHIS;youevenpubliclysaidWHYyousavedit ...    www.pr‐squared.com 26 Identifyappropriategroups.ThisiseasilyaccomplishedviaFacebook’ssearchengine(which,by the way,handlesover600millionsearchespermonth!)  Arethereenoughmemberstomakeoutreachworthwhile?Aretheyactive?Wedefine “active”by the frequencyofnew‐membersign‐ups, the volumeandrecencyofdiscussionson the group’sWallandDiscussionBoard, the volumeandrecencyofuploadsandsharedposts,etc.Somany FacebookGroupswerestartedandabandonedonalark(i.e.,awasteofyourtime),sothispartis critical.  Research the GroupType.Isitan“OpenGroup?”Ifsoittendstoallowformore–andmorediverse– users.Closedgroupstendtobeinsularandneutral/hostiletooutsiders.Leave‘embe.  Befriend the Admins.ToomanymarketerssimplyjoinanOpenGroupandthenposttheiritemsforall itsmembers.Beyond the factthatthisisbasicallyspam,itlacksimpactbecause the contentisnot comingfrom the group’sownmembers.Bettertorespectfullyapproach the FacebookGroupAdmins. Itwastheirpassionthatstarted the group;theyusetheirpersonaltimetoadminister the community. Respectthemlikeyou’drespectabusinessreporter.Explaintothemwhoyouare,whoyourepresent, andwhatyou’dliketosharewiththeircommunitymembers.Insimplelanguage,withnohidden agenda.  Ifyou’vedoneyourjobright,yourcontentistotallyappropriatefortheirgroup.Askifyoucanshare/postyourcontentto the FacebookGroup–veryoften,theseadminseitheragreeorevenvolunteertodoitforyou!Thislatterapproachnotonlyprovides instantcredibility,butalsomeansthat the contentisnotjustpostedto The Wallbutcanevenbe“pushed”toallGroupmembers’ Facebookin‐boxes.Morecredibility,moreadoption,moreresults.  Here’sahandyslidetoremindyouofwhattolookforwhenconsidering the appropriateFacebookGroupsforyourpitch(it’s linkedtoaFlickrjpeg):  ...

Ngày tải lên: 07/03/2014, 00:20

... corresponding to the nodes in the set V L and the other corre- sponding to the nodes in the set V C . Degree distribution of the nodes in V L : Fig- ure 2 shows the degree distribution of the nodes in ... where V L is the set of nodes la- beled by the languages and V C is the set of nodes labeled by the consonants. E is the set of edges that run between V L and V C . There is an edge e ∈ E between ... occur- rence principles of the consonants in the invento- ries of the world’s languages. The work can be fur- ther extended to identify the co-occurrence likeli- hood of the consonants in the language inventories 134 ...

Ngày tải lên: 08/03/2014, 02:21

... goals to the networks. Naturally, these programs are decided socially from outside the net- work. But once they are inscripted in the logic of the network, the network will follow efficiently these ... rejecting the logic of sharing in a network of interests. In other words, the hypothesis for the analysis of social develop- ment and the role of the Internet in that development is that the Internet ... that is the formation of a network of global networks than link selectively across the planet all functional dimensions of societies. Because the network society is global, the state of the network...

Ngày tải lên: 14/03/2014, 21:20

... agreements with them a year after they have completed the class, when the faculty member and the institution realize that they want to archive student materials or reuse student work in the course ... citations for the material when the course site is archived. But for many classes, student contributions form a part of the core record of the course. They must be included; since they are unpublished, ... “anonymize” the record of the class, at least for some purposes, by simply substituting the names “Student #1,” “Student #2,” and so on. But if the class record is available to others beyond the members...

Ngày tải lên: 17/03/2014, 20:20

... 1 The number of successful network security breaches over the past 12 months Bar Charts 2 and 3 on the following page show perceptions about the security of the IT infrastructure and the ... did these security breaches occur? However, as shown in Bar Chart 6, there is uncertainty as to where the breaches originate. Forty percent of respondents do not know the source of the network ... prevent breaches. Understanding the source of the breaches can help organizations strengthen their cyber security strategy.  Address the insider threat through the creation of an enterprise-wide...

Ngày tải lên: 28/03/2014, 22:20

Ngày tải lên: 21/06/2014, 08:20

Ngày tải lên: 21/06/2014, 08:20

... are other benefits of the single- chip designs. For these reasons, the zero-IF approach was preferred and the MAXIM MAX2829 chip was used as the heart of the RF part of the design. Besides, the ... index parameters. The MAC frame prepared by at- taching the MAC header and the payload is then sent to the transmitter for the transmission over the air. The transmitter block puts these frames into ... baseband verifies the frame for the command or the data. The command frames are forwarded to the DME block and the data frames are passed to the FCSL block. The receiver block coordinates the packet...

Ngày tải lên: 22/06/2014, 06:20

Ngày tải lên: 04/07/2014, 07:20

Ngày tải lên: 04/07/2014, 07:20

Ngày tải lên: 04/07/2014, 07:20