Re: [OPSAWG] Fwd: I-D Action: draft-nishizuka-cgn-deployment-considerations-00.txt

[kaname nishizuka <[e-mail]>]

Shishio-san

> I think, previous version than IE10.0 does not support both Websocket
and SPDY.
> But the share is pretty high.
> So it would be more useful if you could add the result of old version
of IE and latest IE.

Exactly.

> If you could add result of IPv6 access to your selected site, it would
be more powerful.
> Your investigation result would be more adaptable in all of deployment
stage.(NAT44 only,NAT44 + NAT64 and NAT44 and IPv6 native.)

I'd like to do that. Thanks for your useful suggestion.

> Do you know the trend of mobile network?

Examining mobile network is our future work.

> Yes,I thought you might write another draft for BMWG wg.:-)

It's been always on my mind.:-)

Regards,
kaname

(2013/04/05 20:21), Shishio Tsuchiya wrote:
> Kaname-san
> (2013/04/05 19:03), kaname nishizuka wrote:
>> Shishio-san
>> Thanks,
>>
>> In response to your questions,
>>
>>> http://tools.ietf.org/html/draft-nishizuka-cgn-deployment-considerations-00#section-4
>>> Figure 1: The number of sessions of applications.
>>>
>>> Q.Which browser did you use in your investigation?
>> We used the latest Chrome and FireFox.
> I think, previous version than IE10.0 does not support both Websocket and SPDY.
> But the share is pretty high.
> So it would be more useful if you could add the result of old version of IE and latest IE.
> And cisco and IDC published White Paper of "The Business Case for Delivering IPv6 Service Now".
> http://www.cisco.com/en/US/solutions/collateral/ns341/ns525/ns1017/idc_ipv6_economics.pdf
> If you could add result of IPv6 access to your selected site, it would be more powerful.
> Your investigation result would be more adaptable in all of deployment stage.(NAT44 only,NAT44 + NAT64 and NAT44 and IPv6 native.)
>
>>> Our investigation shows that the average number of session of active subscriber is 400.
>>>
>>> Q.Can you show more detail information? The investigation in the commercial network? or test bed?
>> We captured traffic of our normal activities. So the answer is "in test bed".
>> In a commercial network, the common people activities could be somehow different from researchers:)
>> However, the existing study is showing that our assumption is not extreme.
>> http://www.wand.net.nz/~salcock/someisp/flow_counting/result_page.html
> Thanks for information.
>
>>> http://tools.ietf.org/html/draft-nishizuka-cgn-deployment-considerations-00#section-5.2
>>> (a) was estimated to be 25% at the value during the busy hour of traffic (21:00 pm to 1:00am).
>>>
>>> Q.Does the estimation come from your investigation on real network? or erlang and someting?
>>>   What kind of network?Wireless or Wireline?IPv6 enabled network?
>> It's from investigation on the real ISP network.
>> It's mainly wireline network and partly IPv6-enabled.
>>
> Thank you for useful information.
> Do you know the trend of mobile network?
>
>>> http://tools.ietf.org/html/draft-nishizuka-cgn-deployment-considerations-00#section-6.1
>>>
>>> Q.Is current RFC not enough to measure CGN performance?
>>> RFC 3511 Benchmarking Methodology for Firewall Performance
>>> http://tools.ietf.org/html/rfc3511
>>> RFC6645 IP Flow Information Accounting and Export Benchmarking Methodology
>>> http://tools.ietf.org/html/rfc6645
>>>
>> Maybe not, though I've not closely read them.
>> As I described in the draft, the CGN performance is limited by the combination of throughput, Max Concurrent Sessions and Connection Per Sec.
>> Thus we used the test bed(StarBED) with powerful calculation power to emulate all subscribers.
>> The assumption of the average subscriber was important for setting up the environment.
> Yes,I thought you might write another draft for BMWG wg.:-)
>
> Regards,
> -Shishio
>
>
>
>
>> Best regards,
>> kaname
>>
>> (2013/04/05 16:02), Shishio Tsuchiya wrote:
>>> I read this documents.
>>> I think this draft would be useful to consider CGP deployment for service providers.
>>>
>>> And I have question.
>>> http://tools.ietf.org/html/draft-nishizuka-cgn-deployment-considerations-00#section-4
>>> Figure 1: The number of sessions of applications.
>>>
>>> Q.Which browser did you use in your investigation?
>>>
>>> Our investigation shows that the average number of session of active subscriber is 400.
>>>
>>> Q.Can you show more detail information? The investigation in the commercial network? or test bed?
>>>
>>> http://tools.ietf.org/html/draft-nishizuka-cgn-deployment-considerations-00#section-5.2
>>> (a) was estimated to be 25% at the value during the busy hour of traffic (21:00 pm to 1:00am).
>>>
>>> Q.Does the estimation come from your investigation on real network? or erlang and someting?
>>>   What kind of network?Wireless or Wireline?IPv6 enabled network?
>>>
>>> http://tools.ietf.org/html/draft-nishizuka-cgn-deployment-considerations-00#section-6.1
>>>
>>> Q.Is current RFC not enough to measure CGN performance?
>>> RFC 3511 Benchmarking Methodology for Firewall Performance
>>> http://tools.ietf.org/html/rfc3511
>>> RFC6645 IP Flow Information Accounting and Export Benchmarking Methodology
>>> http://tools.ietf.org/html/rfc6645
>>>
>>> Regards,
>>> -Shishio
>>>
>>> -------- Original Message --------
>>> Subject: I-D Action: draft-nishizuka-cgn-deployment-considerations-00.txt
>>> Date: Thu, 28 Mar 2013 07:12:24 -0700
>>> From: <[e-mail]>
>>> Reply-To: <[e-mail]>
>>> To: <[e-mail]>
>>>
>>>
>>> A New Internet-Draft is available from the on-line Internet-Drafts directories.
>>>
>>>
>>>     Title           : Carrier-Grade-NAT (CGN) Deployment Considerations.
>>>     Author(s)       : Kaname Nishizuka
>>>     Filename        : draft-nishizuka-cgn-deployment-considerations-00.txt
>>>     Pages           : 16
>>>     Date            : 2013-03-28
>>>
>>> Abstract:
>>>     This document provides deployment considerations for Carrier-Grade-
>>>     NAT (CGN) based on the verification result include the investigation
>>>     of the number of sessions of applications.  The verification was
>>>     conducted in StarBED which is one of the largest scale network
>>>     experiment environment in Japan.  A million of subscribers was
>>>     emulated and it revealed the realistic behavior of CGN.
>>>
>>>
>>> The IETF datatracker status page for this draft is:
>>> https://datatracker.ietf.org/doc/draft-nishizuka-cgn-deployment-considerations
>>>
>>> There's also a htmlized version available at:
>>> http://tools.ietf.org/html/draft-nishizuka-cgn-deployment-considerations-00
>>>
>>>
>>> Internet-Drafts are also available by anonymous FTP at:
>>> ftp://ftp.ietf.org/internet-drafts/
>>>
>>> _______________________________________________
>>> I-D-Announce mailing list
>>> [e-mail]
>>> https://www.ietf.org/mailman/listinfo/i-d-announce
>>> Internet-Draft directories: http://www.ietf.org/shadow.html
>>> or ftp://ftp.ietf.org/ietf/1shadow-sites.txt
>>> .
>>>
>>>
>>>
>>> _______________________________________________
>>> OPSAWG mailing list
>>> [e-mail]
>>> https://www.ietf.org/mailman/listinfo/opsawg
>>


-- 
---- 
Kaname Nishizuka
Innovative Architecture Center
NTT Communications Corporation
[phone]