[Nfd-dev] Can ndn-tool(chunks) use the cached data on the intermediate node?
Klaus Schneider
klaus at cs.arizona.edu
Sat Mar 17 12:04:18 PDT 2018
On 17/03/18 12:02, Klaus Schneider wrote:
> Hi everyone,
>
> @Junxiao: I agree that in-network caching is no replacement for a
> producer. But you didn't answer Junjie's question why catchunks failed
> in this example.
>
> Theoretically, if all the chunks are in the cache, there's no need for
> the producer to be running.
>
>
> @Junjie: Please provide more details on the error, such as your commands
> and the console output. (We have told you this multiple times now).
>
> My guess is that it has something to do with catchunks version
> discovery, which requires the consumer to run. So it may be possible to
> fix it by disabling the version discovery.
Edit: "which requires the *producer* to run"
>
> Best regards,
> Klaus
>
>
>
>
> On 17/03/18 04:38, Junxiao Shi wrote:
>> Hi Junjie
>>
>> Almost all NDN applications can use cached data.
>> In-network caching is not a replacement of producer. You must keep the
>> producer running at all times.
>> Having in-network caching allows consumers to retrieve data with lower
>> latency, and reduces the workload of a producer (you can measure it:
>> number of Interests arriving at producer node is less than number of
>> Interests expressed by all consumers combined).
>>
>> Yours, Junxiao
>>
>> On Sat, Mar 17, 2018 at 07:28 小杰许 <xujunjie1221 at gmail.com
>> <mailto:xujunjie1221 at gmail.com>> wrote:
>>
>> Greeting all, I'm wondering if the tool "chunks" can get the cached
>> data.
>>
>> My topo is like client- caching node (with max cache_size)- server.
>> Then I run the ndnputchunks in server. run the ndncatchunks in
>> client. The client can get the total data. (I think the data has
>> been cached in the caching node). Then I close the ndnputchunks in
>> server, and run the ndncatchunks again, however, it failed, Does it
>> mean the tool(chunks) don't support on-path cache?
>>
>> Yours,
>> Junjie
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