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5 COMPUTING AND COMMUNICATIONS UNCHAINED: THE VIRTUAL WORLD
Pages 36-46

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From page 36...
... When I go on the road, I usually travel with a laptop computer, pager, cellular telephone, and personal digital assistant (PDA)
From page 37...
... Most vendors are putting out products that work in little niche markets and do not intemperate. I think that former Computer Science and Telecommunications Board (CSTB)
From page 38...
... Do not take your laptop to airports unless you watch where it goes. Nomadicity exacerbates several concerns: disconnectedness; variable connectivity, either because the world does it for you or because you choose to move and use some other communications medium; latency, which varies significantly; variable routes in virtual circuits as you move around; variable requirements that you put on the system what you expect and need; replication of resources such as files machines.
From page 39...
... Reprinted from Computer Science and Telecommunications Board, National Research Council.
From page 40...
... Consider adaptive agents (Figure 5.3J. The classic assumption is that there is a big fat network between client and server.
From page 41...
... This was the first I had heard of two 1.2-gigabyte hard drives in a laptop, which is serious mobile computing. So I started to think that the vision I have of the virtual world will be well received.
From page 42...
... The last time I looked, the federal government was spending about $40 billion a year to maintain the highway system. Office buildings cost money and isolate workers from their customers.
From page 43...
... First, the technology is making it possible. I had the pleasure of being at the Geneva Telecom Conference when Intel's president and chief executive officer, Andrew Grove, presented the process of global telecommuting and global networking children tat ng to children around the world (today's version of pen pals in a global village)
From page 44...
... We have some early data related to the work of our software teams. In Fagen method software reviews, we analyze the software for potential errors before we actually write it.
From page 45...
... ROBERT BONOMETTI: A few weeks ago, the Federal Communications Commission had what I think is going to become a historical notice of proposed rulemaking whereby it proposes to take 350 megahertz of spectrum and allocate it for a so-called national information infrastructure band or a supernet band or a hyperband, depending on whose buzzword you like. What are your thoughts as far as how this may be a critically important enabler for nomadic types of computing?
From page 46...
... I mentioned foreign language, the one you selected as a problem. Sure, translators will help, but they are a long way off.


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