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At the risk of oversimplifying, here is one way to think about it:<br>
<br>
NDN does for content what IP did for hosts. In other words, IP gave
us a uniform interface by which to address every host in the
Internet. NDN gives us a uniform interface by which to address every
content object in the Internet.<br>
<br>
NDN does not need TCP/UDP/IP, it runs directly on top of any link
layer that IP does. For NDN, TCP/UDP/IP is just another lower layer,
just like Ethernet. We can demonstrate such operation now, where you
connect two hosts running NFD and retrieve content from one to the
other directly over Ethernet, without the data ever getting into an
IP packet.<br>
<br>
I am not sure what the file stream module is, but just like IP, you
can build all sorts of abstractions over NDN.<br>
<br>
Hope this helps.<br>
<br>
Christos.<br>
<br>
<br>
<div class="moz-cite-prefix">On 02/21/2016 02:18 AM, Tanusree
Chatterjee wrote:<br>
</div>
<blockquote
cite="mid:CAOeyPyTXKHLf23rTNJEB3wY8n=NVN+H1A4HfGUn1vq4gYa=iQQ@mail.gmail.com"
type="cite">
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<div dir="ltr">Hello,
<div><br>
</div>
<div>I am new to NDN. I felt some difficulty to understand the
NDN hourglass architecture thoroughly in contrast with IP
architecture layers that is given in the ndn project site. Is
it the today's NDN architecture which work on IP/UDP channel
(in contrast with the link layer in IP)? In future it is
assumed to not to work upon IP/UDP channel? And what about the
'file stream' module? Please send me a good documentation
which clearly describes the modules of the NDN architecture in
contrast with the same of IP.<br clear="all">
<div><br>
</div>
<div><br>
</div>
-- Regards,<br>
<div class="gmail_signature">Tanusree Chatterjee<br>
<br>
</div>
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