Hi, 

That unformat function and the associated session layer apis (e.g., 
vnet_connect_uri) are mainly used for testing and their production use is 
discouraged. Provided that functionality is not lost, if anybody wants to do 
the work, I don’t see why we wouldn’t want to make the unformat function rfc 
compliant. At this point I can’t remember why we settled on the use of “/“ but 
I suspect it may have to do with easier parsing of ipv6 ips. 

Regards,
Florin

> On May 26, 2021, at 8:04 PM, jiangxiaom...@outlook.com wrote:
> 
> Hi Florin:
>     Currently unformat_vnet_uri not implemented following RFC 3986. The 
> syntax `tcp://10.0.0.1/500` should be `tcp://10.0.0.1:500` in rfc 3986.
> I noticed in there is a comment for `unformat_vent_uri` in 
> `src/vnet/session/application_interface.c`,
> ```
> /**
>  * unformat a vnet URI
>  *
>  * transport-proto://[hostname]ip46-addr:port
>  * eg.  tcp://ip46-addr:port
>  *  tls://[testtsl.fd.io]ip46-addr:port
>  *
>  ...
> ```
> Does it mean `unformat_vnet_uri` will be refactored following rfc in future?
> 
> 
> 

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