Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Originator Id)

Jie Dong <dongjie_dj@huawei.com> Wed, 21 April 2010 01:44 UTC

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Date: Wed, 21 Apr 2010 09:44:04 +0800
From: Jie Dong <dongjie_dj@huawei.com>
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To: bruno.decraene@orange-ftgroup.com, isis-wg@ietf.org, lizhenqiang@chinamobile.com, weifang@chinamobile.com
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Subject: Re: [Isis-wg] draft-wei-isis-tlv-03 (Purge Originator Id)
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Hi Bruno, all

I have no objections if there are some benefits of adding the hostname. 


Best regards,
Jie

> -----Original Message-----
> From: bruno.decraene@orange-ftgroup.com 
> [mailto:bruno.decraene@orange-ftgroup.com] 
> Sent: Tuesday, April 20, 2010 6:18 PM
> To: dongjie_dj@huawei.com; isis-wg@ietf.org; 
> lizhenqiang@chinamobile.com; weifang@chinamobile.com
> Subject: RE: [Isis-wg] draft-wei-isis-tlv-03 (Purge Originator Id)
> 
> Hi Jie, all
> 
> > Hostname would be helpful for network management and operation, thus
> > rfc5301 defined the mechanism of dynamic hostname exchange.
> >  
> > On the other hand, if ISs already have the mapping from 
> System ID to 
> > hostname, IMO it may be optional for purge packet to carry this 
> > information.
> 
> Some monitoring systems passively record ISIS messages. 
> Indeed, they could record the System ID - hostname mapping 
> from previous LSP, then use this database to enhance the 
> purge originator info. But it seems it would be easier for 
> them to have the name embedded in the purge message.
> Not to mention for tools such as wireshark (and most probably 
> for logs and debugging tools)
> 
> Obviously, the decision to add the hostname is up to you and the WG.
> IMHO, I see benefits (at least the above) and fail to see any 
> cost. Do you see any drawback?
> 
> Best regards,
> Bruno 
>  
> > 
> > Best regards,
> > Jie
> > 
> > 
> > > -----Original Message-----
> > > From: isis-wg-bounces@ietf.org
> > > [mailto:isis-wg-bounces@ietf.org] On Behalf Of 
> > > bruno.decraene@orange-ftgroup.com
> > > Sent: Tuesday, April 20, 2010 4:56 PM
> > > To: isis-wg@ietf.org; lizhenqiang@chinamobile.com; 
> > > weifang@chinamobile.com
> > > Subject: [Isis-wg] draft-wei-isis-tlv-03 (Purge Originator Id)
> > >
> > > Hi Fang, Yue, Zhenqiang, Tony, Jie, all,
> > >
> > > As the goal is to help the troubleshooting, and specifically to 
> > > locate the source IS, what about also adding the dynamic 
> hostname of 
> > > the purge originator in addition to the system ID? (cf 
> existing TLV 
> > > type 137)
> > >
> > > Thanks,
> > > Regards,
> > > Bruno
> > >
> > > _______________________________________________
> > > Isis-wg mailing list
> > > Isis-wg@ietf.org
> > > https://www.ietf.org/mailman/listinfo/isis-wg
>