Re: [pcp] Fw:I-D Action: New Version Notification for draft-tsou-pcp-natcoord-08.txt

["Dan Wing" <[e-mail]>]

> [Qiong] Right, we should make it clear. The PCP server should assign
> individual port-set for each MAP_PORT_SET request, rather than an
> aggregated one. 

Yes, that would be good to explain in the document.

> This would simpilfy the implementation both for the pcp
> server and pcp client, right?

Yes, I think so.

-d

> Thanks for your comments!
> 
> Best wishes
> Qiong
> 
> 
> 
> 	> Besides, since the pcp-controlled device can identify each client
> with
> 	> the internal address(IPv6 address), I think there will be no
> confusion
> 	> in PCP servers to assgin non-overlap port-set to clients.
> 	>
> 	> I will add it explicitly in draft as a requirement to PCP server.
> Is it
> 	> ok ?
> 
> 
> 	-d
> 
> 
> 
> 	>
> 	>
> 	>
> 	>
> 	>       draft-tsou-pcp-natcoord-08 says:
> 	>
> 	>         The Client MUST use a different Mapping Nonce for
> 	>         different MAP_PORT_SET requests.
> 	>
> 	>       This is a MUST, which means there must be something that
> breaks if
> 	>       it violates that requirement.  What breaks?
> 	>
> 	>
> 	>
> 	> [Qiong] This is used when one pcp-natcoord client is allowed to
> initiate
> 	> multiple port-set requests in case it has used out all the ports
> in one
> 	> port-set. As a result, one pcp client may get multiple mapping
> rules
> 	> including the same Internal address, external address and
> different
> 	> port-sets. In this case, one mapping rule should have one
> corresponding
> 	> mapping nonce, and the server should also keep the Nonce value
> for each
> 	> port-set mapping. Otherwise, the pcp server can not get the
> distinction
> 	> between a port-set request retransimission when the request is
> somehow
> 	> lost and a new port-set request to get another port-set mapping,
> since
> 	> the suggested port-set might be zero in both cases and the
> Internal
> 	> address, protocol is the same. So when the client is going to
> request a
> 	> new port-set, a different Mapping Nonce should be used with the
> previous
> 	> port-set request. Does it make sense ? Hope it clarifies -:)
> 	>
> 	> Thanks again for your comments !
> 	>
> 	> Best wishes
> 	> Qiong
> 	>
> 	>
> 	>
> 	>
> 	>       -d
> 	>
> 	>
> 	>
> 	>       > BTW, you can also find the opensource project in
> sourceforge:
> 	>       > http://sourceforge.net/projects/pcpportsetdemo/
> 	>       >
> 	>       >
> 	>       > Thanks a lot!
> 	>       >
> 	>       > Best wishes
> 	>       >
> 	>       > --
> 	>       > ==============================================
> 	>       > Qiong Sun
> 	>       > China Telecom Beijing Research Institude
> 	>       >
> 	>       >
> 	>       > Open source code:
> 	>       > lightweight 4over6:
> http://sourceforge.net/projects/laft6/
> 	>       > PCP-natcoord:
> http://sourceforge.net/projects/pcpportsetdemo/
> 	>       > ===============================================
> 	>       >
> 	>       >
> 	>
> 	>
> 	>
> 	>
> 	>
> 	>
> 	>
> 	> --
> 	> ==============================================
> 	> Qiong Sun
> 	> China Telecom Beijing Research Institude
> 	>
> 	>
> 	> Open source code:
> 	> lightweight 4over6: http://sourceforge.net/projects/laft6/
> 	> PCP-natcoord: http://sourceforge.net/projects/pcpportsetdemo/
> 	> ===============================================
> 	>
> 	>
> 
> 
> 
> 
> 
> 
> 
> --
> ==============================================
> Qiong Sun
> China Telecom Beijing Research Institude
> 
> 
> Open source code:
> lightweight 4over6: http://sourceforge.net/projects/laft6/
> PCP-natcoord: http://sourceforge.net/projects/pcpportsetdemo/
> ===============================================
> 
>