[Nfd-dev] [Ndn-interest] UDP_retransmissiom

[Burke, Jeff]

please

From: Nfd-dev <nfd-dev-bounces at lists.cs.ucla.edu> on behalf of Lixia Zhang <lixia at cs.ucla.edu>
Date: Thursday, January 4, 2018 at 7:51 PM
To: Eric Newberry <enewberry at email.arizona.edu>
Cc: "nfd-dev at lists.cs.ucla.edu" <nfd-dev at lists.cs.ucla.edu>
Subject: Re: [Nfd-dev] [Ndn-interest] UDP_retransmissiom


On Jan 4, 2018, at 11:18 AM, Eric Newberry <enewberry at email.arizona.edu<mailto:enewberry at email.arizona.edu>> wrote:

Hi Giuseppe,
By default, the number of retransmissions is set to 3. The option controlling this is in LpReliability::Options as maxRetx. However, currently there is no way to set this option using nfdc or any other management tool. Therefore, if you want to change this, you would need to modify the NFD source code, recompile, and reinstall. There are no options relating to the reliability system in nfd.conf.
Eric
should we consider adding a way to config this parameter?


On 01/04/2018 02:10 AM, Giuseppe Carella wrote:
Good morning Eric,

Thank you for your answer.
I understood that it's possible to implement the retransmission by means of NDNLPv2, which is a protocol located upon the transport layer.
So I have to set a maximum number of retransmissions, that's all (I hope).
Is it enough modifying some properties into nfd.conf to choose the maximum number of retransmissions or I have to add some new APIs into applicative layer?
Thank you.
Giuseppe.

2018-01-04 9:31 GMT+01:00 Eric Newberry <enewberry at email.arizona.edu<mailto:enewberry at email.arizona.edu>>:
Giuseppe,
NFD release 0.6.0 implements a link-layer reliability system as part of NDNLPv2 for unicast TCP, UDP, and Ethernet faces. It can be enabled by specifying "reliability on" when creating (or updating) a face with nfdc. In order for the system to function, it must be enabled on both ends of the link. The above command only enables it on one end.
Eric

On 01/04/2018 01:24 AM, Giuseppe Carella wrote:
Good morning community,
is it possible to configure NFD in order to allow an UDP communication with retransmission?
I know that I could use TCP, but for my purpose it's necessary having UDP with retransmission.

Thank you.
Giuseppe.



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