û evolution to the optical broadband services network

... etc.) connected to an optical transport network (see Figure 1.15).55 The UNI defines the set of services, signaling protocols used to invoke the services, the mechanisms used to transport signaling ... become too high to recover the original signal at the receiver To exploit optical technology in long-haul mesh networks, and to make the future all -optical networks a reality, we need to develop intelligent ... From the hybrid and all -optical networks perspective, based on the hardware infrastructure of the optical/ photonic layer as defined in the layered model of communication networks,2,3,10 today’s networks...

Ngày tải lên: 24/08/2014, 17:52

... insulation to the metal, can raise the voltage of the envelope to a dangerous level (depending on the ratio of the resistance of the leakage path through the insulation, to the resistance from the metal ... exists on the power system, while at the same time maintaining the power factor of the alternator constant at the pre-set value (selected on the AVR control unit) In the event that the alternator becomes ... own premises, to which the power supplier makes the MV connection In method no the power supplier owns the substation, the cable(s) to the transformer(s), the transformer(s) and the transformer...

Ngày tải lên: 19/10/2013, 22:15

... existing distribution network to which the new load is to be connected b The total load already connected to the distribution network b The location along the distribution network of the proposed new ... centre-tapped to produce 120/240 V single-phase 3-wire supplies The central conductors provide the LV neutrals, which, together with the MV neutral conductors, are solidly earthed at intervals along their ... justified They are based on the fact that for instance consumers having made their payment at vending stations, generate tokens to pass the information concerning this payment on to the meters For these...

Ngày tải lên: 23/10/2013, 20:15

... factor network topology Table Topological parameters of some real networks: Human ´ transcription factor network (HTFN); Erdos-Renyi (ER) null model ¨ network with N identical to that of the ... related to essential functions, and topological features retain functionality and phylogeny However, the nature of the connections between these factors needs to be understood at the level of the ... global patterns of network organization is required to answer these questions To this end, we explored, for the first time, the human transcription factor network (HTFN) obtained from the protein–protein...

Ngày tải lên: 19/02/2014, 07:20

... Passive Optical Networks (PONs) and wireless networks are the two most promising solutions for the future networks 1.1.1 Passive Optical Network PON is a point -to- multipoint, fiber -to- the- premise network ... authority to manage the networks In ad-hoc mode, there is no central authority and the nodes have to agree on some protocols to manage themselves Direct node -to- node communication allows Wi-Fi to exploit ... finally sent through the optical back end of WOBAN to OLT and consequently to the rest of the Internet In the downlink, OLT broadcasts to all ONUs in the tree access network and from the gateways, packets...

Ngày tải lên: 01/10/2015, 11:39

... inhibitor for the state-owned postal services is their reluctance to give up control of the postal financial services (and access to these revenues and even depositor funds); a key inhibitor keeping ... postal networks in the Asian Region1 and their current role of postal networks in providing access to financial services The landscape is intended to serve as a basis to assess the potential role to ... and other new technologies Postal operators in the Asian region, therefore, attach more and more importance to the development of financial services and aim to keep them with mail services to sustain...

Ngày tải lên: 15/03/2014, 10:20

... 1.1 shows The feeder network refers to the connection between CO and RN, while the distribution network joins the NIU to the RN Downstream program services, one of many applications of a broadband ... corresponds to the line termination (LT) in Figure 1.1, the splitter to the RN in Figure 1.1, and the ONU to the NIU in Figure 1.1 The terms ONU and ONT are sometimes used interchangeably, although the ... 1.5, in the customer premises, a one -to- two splitter provides a coaxial cable line to the cable modem and another coaxial line to a TV STB or the TV itself The cable modem connects, in turn, to a...

Ngày tải lên: 24/04/2014, 16:09

... headend the evolution to ‘carrier class’ THE CABLE MSO’S IDEAL HEADEND THE EVOLUTION TO ‘CARRIER-CLASS’ Today’s successful cable operators are ramping up their networks to deliver advanced services HD ... comes to doing the “heavy lifting” for the network If the power fails, the network fails If the network fails, customers look elsewhere for more reliable service In the ideal headend, the right ... customers, they still must look to the future Their core infrastructure must be flexible and scalable enough to allow them to compete with the massive amounts of fiber being driven deeper into the...

Ngày tải lên: 10/12/2013, 18:15

... order to add new services With the LoopStar 711, providers can stop paying for a separate T1/E1 service for voice transport and now carry these TDM services along with new services such as Ethernet ... LS 711 T-1 Ethernet T-1 Ethernet 100FX LS 711 T-1 Ethernet PBX 01/06 • The LoopStar 711 allows providers to leverage and extend their footprint by delivering Ethernet and TDM-based services over ... infrastructure to begin the migration of their revenue streams With its two built-in 100Base-FX ports, the LoopStar 711 is the perfect multi-service solution for providers looking to extend their footprints...

Ngày tải lên: 10/12/2013, 19:15

... Benefits Realized by the Customer: BGX/ACE systems support rapid change, maintenance and turn-up of new services, creating faster generation of revenues and decreased ... technical labor and service downtime Technicians are no longer forced to work in crowded splice cases The risk of cutting the wrong fiber or knocking down live service is virtually eliminated ... eliminating guess work from fiber identification Technicians access the network at virtually any time without inconveniencing customers and without requiring expensive new structures CO with FEC...

Ngày tải lên: 24/01/2014, 10:20

... planning services and the WHP, low-income women who are unable to afford family planning services may go without them Another factor that makes it harder for women to access key services is the shortage ... Planned Parenthood who they can’t see.” The facilities around us would refer women to us…so they are now having to tell them to come up with the funds or they will go without They weren’t providing ... running the WHP or replace it with a new program], where are they going to get the money? They’ve already cut a lot of the programs to pretty barebones numbers There will be nothing left to cut There...

Ngày tải lên: 13/02/2014, 06:20

... mind their dual responsibility to provide optimal care to the mother and reduce the likelihood of MTCT of HIV ‘ The core goal of all medical therapy is to bring the patient’s viral load to an ... efforts to develop their services in tandem, they could ensure that together they reach the main groups at risk of STIs as well as HIV Lastly, what about the formal or informal private sector for ... evolve and expand, they may be able to address more of these issues The first is in peer counselling and support For example, a ‘‘Mothers to mothers -to- be’’ programme in Cape Town, South Africa,...

Ngày tải lên: 13/02/2014, 15:20

... Foreign Aid to the Palestinians (b) the extent to which the provision of such services to such persons furthers the security interests of the United States and of other United States allies in the Middle ... the European Union joined the United States in refusing to provide direct assistance to the PA There are indications, however, that Europeans might be less willing to follow the U.S lead in the ... does not enhance the legitimacy of Abbas and the PA, but rather detracts from it by leading some Palestinians to conclude that the PA is too beholden to the United States.90 Others have warned...

Ngày tải lên: 16/02/2014, 10:20

... accounts:— "1580, August Paid to Savage, the foot post, to go to Wellington with a letter to the Recorder touching the holding of the Sessions, and if not there to go to Wimborne Minster, where ... receive the Ministers' commands to carry the plan into execution to the other parts of the kingdom To this (and I have not the least fear of accomplishing it) will be the most decisive answer to abuse, ... sent to the Right Hon Wm Pitt, representing the great benefits received from the plan, and requesting a continuance of the same, together with the extension of the same plan to other parts of the...

Ngày tải lên: 17/02/2014, 02:20

... for the Secretary by the end of the year The Committee also sends letters to the Secretary after each meeting The letters serve as a vehicle for the Committee to raise other issues with the Secretary ... HHS to continue to reach out and link to other relevant cabinet-level departments 11 The 2011 NACRHHS Report Across the Federal and State government sector, there are programs in place to meet the ... service coordination These grants, Rural Health Outreach and Rural Network Development, allowed the community to determine the need The funding helped provide a way to link together services and try...

Ngày tải lên: 18/02/2014, 15:20

... a condition for Late Pleistocene alluvial deposits and weathering crust (Q13b) to be formed These deposits are spread from the land to -100m water depth on the shelf The colorful clays contain ... parallel to the shore in the form of bows with a distance from each other about 3-10km They are evidences of paleocoast existence during delta progradation from delta front into delta plain Due to these ... available The pH value of clays varies from 6,9 to 7,5, Eh from -20mv to +150mv and Kt from 0,7 to 1,4 These environment indicators proved a brackish transitional environment from river to the sea...

Ngày tải lên: 05/03/2014, 16:20

... such as the TCP protocol, or protocols may choose to reduce overhead and simply depend upon the best efforts of the lower layers to deliver the data, and the protocols of the upper layers to ensure ... three on the receiving side passes back up to the layer above This can be described as the layers “communicating” between one another on the sending and receiving side, all the way up to the application ... for example the bottom-most physical layer of the network Reviewing the flow of information through the model, we see that all layers above depend upon the physical layer to deliver the data We...

Ngày tải lên: 05/03/2014, 21:20

... Link people to needed services / assure care • Assure a competent workforce • Evaluate health services • Research The Essential Services as a Framework  Used as a foundation for the National ... are we up-todate, technically competent, fair and effective?”) The EPHS “in English” Make sure people receive the medical care they need (Or “Are people receiving the medical care they need?”) ... right? Are we doing the right things?”) 10 Support innovation and identify and use best practices (Or “Are we discovering and using new ways to get the job done?”) Monitor Health to Identify and...

Ngày tải lên: 05/03/2014, 22:21

... finance to successfully manage their business You can help them understand what they need to know and simplify complex information The SBA’s online library can complement the knowledge you bring to ... business pioneers, getting started can be the most difficult challenge Part of the rich value you provide as a CPA is your ability to turn the overwhelming into the digestible and actionable You also ... Organizations need to understand the city, state and federal requirements of licensing their business and obtain the necessary permits or licenses The SBA website is a centralized repository of information...

Ngày tải lên: 07/03/2014, 02:20

... able to adequately communicate how they plan to protect their customers In addition to protecting their customers, corporations must protect their employees and partners from security breaches The ... conducted to exploit vulnerabilities in such network areas as authentication services and File Transfer Protocol (FTP) functionality in order to gain entry to e-mail accounts, databases, and other ... vulnerabilities in the network providing ongoing, proactive security In addition, professional network security consultants can be engaged to help design the proper security solution for the network or to ensure...

Ngày tải lên: 14/03/2014, 22:20