[Sis-dtn] Is there a standardized way to implement/configure TCP convergence layer for Bundle transaction?

Vint Cerf vint at google.com
Wed Sep 6 08:01:58 UTC 2023


great example of the value of operational experience to achieve
standardization
v


On Wed, Sep 6, 2023 at 12:29 AM 구철회 via SIS-DTN <sis-dtn at mailman.ccsds.org>
wrote:

> Hi Fellows
>
>
>
> Recently, I began to consider that the implementation of the TCP
> convergence layer, which conveys Bundles reliably, can be source of
> interoperability issues among various DTN implementations.
>
> There is freedom in designing the TCP interface, with options like
> allocating a single TCP port to a node and multiplexing neighbor input, or
> allocating multiple TCP ports for each neighbor's transaction input.
>
>
>
> Some implementations perform an interrogation step to obtain multiplexing
> information from neighboring nodes, such as IPN/DTN address.
>
> Some implementations prefer multiple TCP daemons for connecting with
> neighbors.
>
> In either case, DTN software may need to implement a specialized UTA or
> CLA interface for interfacing with various other DTN software via TCP
> convergence layer.
>
>
>
> Is there a standardized way to do it? Or do we want to discuss about a
> standardized way here?
>
>
>
> On the contrary, LTP, as a Convergence Layer, is a straightforward
> mechanism and a point-to-point protocol that simplifies Bundle input
> multiplexing, resulting in fewer interoperability issues, in my opinion.
> LTPCL is useful at the ground-space link, however TCPCL can be more
> suitable choice for terrestrial link. So, I think, TCPCL needs more
> attention for future DTN usage.
>
>
>
> Best,
>
> Cheol
>
>
>
>
> _______________________________________________
> SIS-DTN mailing list
> SIS-DTN at mailman.ccsds.org
> https://mailman.ccsds.org/cgi-bin/mailman/listinfo/sis-dtn
>


-- 
Please send any postal/overnight deliveries to:
Vint Cerf
Google, LLC
1900 Reston Metro Plaza, 16th Floor
Reston, VA 20190
+1 (571) 213 1346


until further notice
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.ccsds.org/pipermail/sis-dtn/attachments/20230906/9f3e6089/attachment.htm>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/pkcs7-signature
Size: 3995 bytes
Desc: S/MIME Cryptographic Signature
URL: <http://mailman.ccsds.org/pipermail/sis-dtn/attachments/20230906/9f3e6089/attachment.bin>


More information about the SIS-DTN mailing list