Today, network planners face a dilemma. Since the future of standards and services remains
unclear, there is a healthy concern about investing in what may become “deadend” technology.
Still, networks must grow and change, both to provide current revenue and to accommodate
emerging services and markets, while competition and deregulation add to the sense
What does the next generation network look like? Most network planners
have an IP-based answer to that question. The better question is this—what
does the next generation network look like at specific points in time: one year,
three years, seven years from now, and so on into the future? The answer to
that question is fuzzy because migration to the next generation network is an
The Seattle, Las Vegas, and Atlanta arrays should use the same enterprise policy. Only the Chicago site
has a connection to the Internet. You want the other three sites to use dial-up connections to the Chicago
The ISA Server computers at the Seattle, Las Vegas, and Atlanta sites should provide Internet access to
client computers on the network. At what level should you configure dial-up connections, dial-up entry
policy elements, and routing rules at these three sites.
Now that now that new Windows technology (in the dual garb of Windows Vista and the Windows 2008
Server) has arrived on the scene, many network planners are taking a closer look at some of the architectural changes that Microsoft has made to the Group Policy structure. The underlying concept of Group Policy hasn't changed – it's still fundamentally a Great Big Network Registry
Editor. Make a setting, and Group Policy enforces it for you from that point forward.
In any FTTX deployment, the goal of network planners is to build the most
flexible and reliable system possible in the least amount of time and at the
lowest possible cost. ADC has been an industry leader in the development
of cost-effective plug-and-play architectures that provide both time and cost
savings while increasing the flexibility of the network. This paper will discuss the
advantages of hardened connectors and drop cables using Multi-port Service
Terminals (MSTs) for accelerated FTTX deployment and rapid service turn-up.
The European market presents service providers with some unique challenges
in pushing fiber closer to the end user. With virtually no overhead distribution
and very little buried fiber cable, a new physical plant is unlikely. Rather, service
providers are seeking the best way to use existing ducted infrastructure—and
network planners must be willing to consider what architectures will best serve
their needs today and in the foreseeable future.
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A wireless service provider sought to minimize both capital and
operating expenses by redesigning its data centers. Major network
elements chosen for the data centers included Cisco 7500 routers,
Cisco Catalyst 6509 Ethernet switches and other data servers—each
with unique connection requirements. After initial installation, it was
highly likely that servers would be added and changed while at some
point in the near-future, software would require upgrades.
A component of SAP’s New Dimension product, the Business Information Warehouse (BW)
is an enterprise-wide information hub. It enables you to analyze data from R/3 applications
or any other business application, including external data sources such as databases and the
Internet. The SAP Business Information Warehouse also offers easy integration with other
New Dimension products, such as the SAP Advanced Planner and Optimizer (SAP APO),
the SAP Business to Business (SAP B2B), and the SAP Strategic Enterprise Management
Interest in power systems economics is gaining momentum with the recent power supply shortages in America and the rising cost of fossil fuels. The involvement of independent power generators, brokers and distributors has changed the way in which power systems operate. Kirschen and Strbac use a combination of traditional engineering techniques and fundamental economics to address the long-term problems of power system development in a competitive environment.
When IP-enabled picocells first came onto the scene, they appeared to
offer a new alternative to operators facing difficult coverage (and capacity)
challenges. But they also made operators feel a bit uncomfortable. Using
IP for backhaul made a lot of sense… but it was unfamiliar for network
planners used to their trusted tools.
Geographic Information Systems (GIS) has emerged as one of the most important and
widely used softwares for the social scientists in last two decades. Economists,
sociologists, political scientists, public administrators, and geographers alike use GIS
for capturing, storing, analyzing, and presenting spatially referenced socio-economic
data. Election campaigns have been using GIS in a rapidly increasing manner. It has
also been substantially used by urban and regional planners, natural resources
scientists, and civil engineers.
Increasing capacity and network applications create new challenges for both the
planners who design and the operations personnel who maintain the network.
A managed density approach that takes a long-term view of data center design
is key to ensuring maximum density and growth without disrupting operations
that can cause a huge drain on productivity, profits, and service availability.
Successful network managers should always take into account the importance
of planning and maintaining data centers to maximize density and minimize
The challenge of the American automobile has had citizens, planners, and environmentalists stumped
for decades. How will it ever be possible to get Americans to give up their love affair with cars?
One of the most effective solutions to date is a project known as car-sharing: a network of cars and
trucks for people to use on a pay-per-use basis. Rather than simply pointing out the negative conse-
quences of automobile dependency and associated sprawl, car-sharing offers a practical, tangible
way to improve the environment, promote social equity and build local capacity.