[Ndn-interest] Modifiable components in Interests

Muhammad Hosain Abdollahi Sabet mhasabet at gmail.com
Mon Jun 27 14:18:39 PDT 2016


Junxiao,

Thanks. In the paper I've referred to, there is a mention of doing
modification below network (NDN) layer. Is that it? I mean lifetime is also
modifiable in adaption layer?

Thanks,
Sabet
On 28 Jun 2016 12:45 am, "Junxiao Shi" <shijunxiao at email.arizona.edu> wrote:

> Hi Sabet
>
>
>
> SelectedDelegation is not the first modifiable field in an Interest.
>
>
>
> InterestLifetime can be modified by a forwarder.
>
> Nodes that forward Interests may decrease the lifetime to account for the
> time spent in the node before forwarding, but are not required to do so.
>
> http://named-data.net/doc/ndn-tlv/interest.html#interestlifetime
>
>
>
> Yours, Junxiao
>
>
>
> *From: *Muhammad Hosain Abdollahi Sabet <mhasabet at gmail.com>
> *Sent: *Saturday, June 25, 2016 00:15
> *To: *ndn-interest at lists.cs.ucla.edu
> *Cc: *yic at cs.arizona.edu; Alex Afanasyev <aa at CS.UCLA.EDU>
> *Subject: *[Ndn-interest] Modifiable components in Interests
>
>
>
> Hello everyone,
>
> In SNAMP paper section 3.C there is a reference to an ongoing discussion
> regarding whether Interest could carry modifiable components, and if
> positive, where to do modification. At that time it was about
> SelectedDelegation field in Interest tlv format. I just want to know the
> status of the discussion and arguments in agreement/disagreement. As far as
> I can say just in the moment, one argument in disagreement could be opening
> up the surface to mislead interests.
>
> P.S: For everybody's information, the mentioned filed was introduced
> because delegation list (a list of forwarding hints) in LINK object may
> contain more than one hints. Considering calculation overhead, it may be
> better to have this field filled, so that each router in DFZ does not need
> to decide which one of hints to choose for forwarding. Since choosing which
> hint as selected one, needs information about topology, traffic links and
> etc, an end application seems not to able to decide on this matter.
>
> Thanks,
> Sabet
>
>
>
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