What is the internet?
The internet is like a popular thing.
Some satellites up there.
I picture it in my head with like waves of internet going to the phone
Somebody told me a cloud once.
The internet is a lot like plumbing it’s always moving.
Most people don’t have any idea where the internet came from and it
那没什么关系 他们不需要知道 这就像是问
doesn’t matter, they don’t need to. It’s sort of like asking who invented the
or the flush toilet
or the zipper.
These are all things we just use every day we don’t even think about the fact
that one day somebody invented them.
So the internet is just like that. Many, many years ago in the early
早在20世纪70年代 我和我的搭档鲍勃 卡恩开始着手于设计
1970s, my partner Bob Kahn and I began working on the design of what we
now call the internet. It was a result of another experiment called the ARPANET
which stood for Advanced Research Project Agency Network. It was a Defense
Department research project. Paul Baran was trying to figure out how to build a
communication system that might actually survive a nuclear attack.
因此 他想到了把信息打破成块 然后尽可能快的
So he had this idea of breaking messages up into blocks and sending them as fast
as possible in every possible direction through the mesh network.
So we built what eventually became a nationwide experimental packet network,
and it worked.
Is anybody in charge of the internet?
The government controls it.
Elves, obviously elves!
The people to control the Wi-Fi because then no Wi-Fi, no internet.
T-mobile 恩 这个公司
T-mobile, um, XFinity,
The honest answer is well nobody and maybe another answer is everybody.
The real answer is that the internet is made up of an incredibly large number of
independently operated networks.
What’s interesting about the system is that it’s fully distributed. There’s no
central control that is deciding how packets are routed or where pieces of the network are built
or even who interconnects with him whom.
These are all business decisions that are made independently by the operators.
They are all motivated to assure that there is end-to-end connectivity of
every part of the network because the utility of the net is that any device
can communicate with any other device; just like you want to be able to make
phone calls to any other telephone in the world.
There’s nothing like this that has ever been built before.
The idea that what you know might be useful to somebody else
or vice versa is a very powerful motivator
for sharing information.
顺便说一下 这就是科学 人们分享信息
By the way that’s how science gets down, people share information.
So this is an opportunity for people to think up new applications,
maybe program them as apps on a mobile phone,
maybe become part of the continued growth of the infrastructure of the
network to bring it to people who don’t have access to it yet; or just make use
of it on a day-to-day basis.
You can’t escape from contact with the internet so why not get to know it and