[ndnSIM] length of interest packet

Junxiao Shi shijunxiao at email.arizona.edu
Tue Dec 19 04:58:25 PST 2017


Hi

The length for both Interests are 29 octets. Anything before “051b” or
after “0a04f2b1c1d0” belong to lower layers.
Interests are of non-zero length because they need to carry the name and
other fields. It’s the same reason why HTTP requests are of non-zero length.

Yours, Junxiao

On Mon, Dec 18, 2017 at 23:13 5 project <project5.is.tus at gmail.com> wrote:

> Hi!
>
> I am checking the packet in the pcap file.
> Why is there some lengths in interest packets?
> For example,
> 1. time: 9e-05 Length:75 Source:01
> 08800000ffffffffffff000000000001000000000
> 0010000aaaa030000007777642554010055010050
> 1d051b070f08067072656669780801350802fe000
> a04f2b1c10d0c0207d000000000
>
> 3. time: 0.003853 Length:84 Source:12
> 08800000ffffffffffff000000000012000000000
> 0121000aaaa030000007777642e540100550111fd
> 032005fd03210196501d051b070f0806707265666
> 9780801350802fe000a04f2b1c10d0c0207d00000
> 0000
>
> I'm experimenting in a wireless environment.
>
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