[Ndn-interest] about Content items (data) are split into packets

Nick Briggs briggs at parc.com
Wed Mar 19 10:14:35 PDT 2014

As Alex says -- each ContentObject is uniquely named, typically using the segmentation profile.  If you're doing CCN over IP, and the ContentObject is larger than the underlying physical transport layer can dal with then it will get fragmented by the transport (IP) layer.

On Mar 19, 2014, at 9:21 AM, Alex Afanasyev <alexander.afanasyev at ucla.edu> wrote:

> Hi Chen,
> Each data packet is always unique and has unique name.  If you're splitting a big content into multiple packets, you (=application) is making this decision and you (=application) assign specific names for each individual packet.  Normally, you would add segment numbers as a last component.
> ---
> Alex
> On Mar 19, 2014, at 1:55 AM, 陈鹏飞 <12120051 at bjtu.edu.cn> wrote:
>> Hello,Nick,
>>         If a Content item (data) is too big and is split into packets, As it is sent by a name. When CCNx split it into packets. How does the CCNx distinguish them if I only request a part of them?
>>        Best Wishes
>>        Pengfei Chen
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