Re: [IPFIX] Search comments and feedbacks about the draft of IPFIX IE extension when considering BGP community
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Fri, 29 Jul 2016 17:32:32 +0800
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charse=
t=3Dutf-8"><style>body { line-height: 1.5; }blockquote { margin-top: 0px; =
margin-bottom: 0px; margin-left: 0.5em; }p { margin-top: 0px; margin-botto=
m: 0px; }div.foxdiv20160729161429875025 { }body { font-size: 10.5pt; font-=
family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91; color: rgb(0, 0, 0); line-he=
ight: 1.5; }</style></head><body>=0A =0A =0A<div><span></span>Hello&nb=
sp;<span style=3D"background-color: rgba(0, 0, 0, 0); font-size: 10.5pt; l=
ine-height: 1.5;">Benoit Claise and all,</span></div><div><span style=
=3D"background-color: rgba(0, 0, 0, 0); font-size: 10.5pt; line-height: 1.=
5;"><br></span></div><div><span style=3D"background-color: rgba(0, 0, 0, 0=
); font-size: 10.5pt; line-height: 1.5;">Yes, you are right. But what we w=
ant to introduce are two new IEs, not new IE types. We use the IE type bas=
icList defined in RFC6313 to specify our IEs. The expected semantics is li=
st, which </span><span style=3D"background-color: rgba(0, 0, 0, 0); f=
ont-size: 10.5pt; line-height: 1.5;">represents an arbitrary-len=
gth sequence of zero or more </span><span st=
yle=3D"color: rgb(0, 0, 0); font-size: 10.5pt; line-height: 1.5; backgroun=
d-color: rgba(0, 0, 0, 0);">structured data Information Ele=
ments. </span></div><div><span style=3D"color: rgb(0, 0, 0); font-siz=
e: 10.5pt; line-height: 1.5; background-color: rgba(0, 0, 0, 0);"><br></sp=
an></div><div><span style=3D"color: rgb(0, 0, 0); font-size: 10.5pt; line-=
height: 1.5; background-color: rgba(0, 0, 0, 0);">basicList content is det=
ermied by the IE number. 458 is suggested for </span><span style=3D"b=
ackground-color: rgba(0, 0, 0, 0); font-size: 10.5pt; line-height: 1.5;">b=
gpSourceCommunityList, </span><span style=3D"background-color: rgba(0=
, 0, 0, 0); font-size: 10.5pt; line-height: 1.5;">BGP community =
information corresponding with</span><span style=3D"background-c=
olor: rgba(0, 0, 0, 0); font-size: 10.5pt; line-height: 1.5;"> source=
IP address of the specific flow SHOULD be encoded in the basicL=
ist content field of this IE. </span><span style=3D"color: rgb(0, 0, =
0); font-size: 10.5pt; line-height: 1.5; background-color: rgba(0, 0, 0, 0=
);">459 is suggested for </span><span style=3D"color: rgb(0, 0, 0); f=
ont-size: 10.5pt; line-height: 1.5; background-color: rgba(0, 0, 0, 0);">b=
gp</span><span style=3D"color: rgb(0, 0, 0); background-color: rgba(0, 0, =
0, 0);">Destination</span><span style=3D"color: rgb(0, 0, 0); font-size: 1=
0.5pt; line-height: 1.5; background-color: rgba(0, 0, 0, 0);">CommunityLis=
t, </span><span style=3D"color: rgb(0, 0, 0); font-size: 10.5pt; line=
-height: 1.5; background-color: rgba(0, 0, 0, 0);">BGP community =
;information corresponding with</span><span style=3D"color: rgb(=
0, 0, 0); font-size: 10.5pt; line-height: 1.5; background-color: rgba(0, 0=
, 0, 0);"> d</span><span style=3D"color: rgb(0, 0, 0); background-col=
or: rgba(0, 0, 0, 0);">estination</span><span style=3D"color: rgb(0, 0, 0)=
; font-size: 10.5pt; line-height: 1.5; background-color: rgba(0, 0, 0, 0);=
"> IP address of the specific flow SHOULD be encoded in the basi=
cList content field of this IE.</span></div><div><span style=3D"color: rgb=
(0, 0, 0); font-size: 10.5pt; line-height: 1.5; background-color: rgba(0, =
0, 0, 0);"><br></span></div><div><span style=3D"color: rgb(0, 0, 0); font-=
size: 10.5pt; line-height: 1.5; background-color: rgba(0, 0, 0, 0);">Best =
Regards, </span></div><hr style=3D"width: 210px; height: 1px;" color=
=3D"#b5c4df" size=3D"1" align=3D"left">=0A<div><span><div style=3D"MARGIN:=
10px; FONT-FAMILY: verdana; FONT-SIZE: 10pt"><div>lizhenqiang@chinamobile=
.com</div></div></span></div>=0A<blockquote style=3D"margin-top: 0px; marg=
in-bottom: 0px; margin-left: 0.5em;"><div> </div><div style=3D"border=
:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm"><div style=
=3D"PADDING-RIGHT: 8px; PADDING-LEFT: 8px; FONT-SIZE: 12px;FONT-FAMILY:tah=
oma;COLOR:#000000; BACKGROUND: #efefef; PADDING-BOTTOM: 8px; PADDING-TOP: =
8px"><div><b>From:</b> <a href=3D"mailto:[email protected]" style=3D"=
color: rgb(5, 99, 193); text-decoration: underline;">Benoit Claise</a></di=
v><div><b>Date:</b> 2016-07-24 06:22</div><div><b>To:</b> <=
a href=3D"mailto:[email protected]" style=3D"color: rgb(5, 99, 193); tex=
t-decoration: underline;">PJ Aitken</a>; <a href=3D"mailto:gurong@chinamob=
ile.com" style=3D"color: rgb(5, 99, 193); text-decoration: underline;">Ari=
el Gu</a>; <a href=3D"mailto:[email protected]" style=3D"color: rgb(5, 99, 19=
3); text-decoration: underline;">ipfix</a>; <a href=3D"mailto:n.brownlee@a=
uckland.ac.nz" style=3D"color: rgb(5, 99, 193); text-decoration: underline=
;">n.brownlee</a>; <a href=3D"mailto:[email protected]" style=3D"color: rg=
b(5, 99, 193); text-decoration: underline;">quittek</a></div><div><b>CC:</=
b> <a href=3D"mailto:[email protected]" style=3D"color: rgb=
(5, 99, 193); text-decoration: underline;">lizhenqiang</a>; <a href=3D"mai=
lto:[email protected]" style=3D"color: rgb(5, 99, 193); text-decorat=
ion: underline;">Brian Trammell</a>; <a href=3D"mailto:[email protected]=
" style=3D"color: rgb(5, 99, 193); text-decoration: underline;">ie-doctors=
@ietf.org</a></div><div><b>Subject:</b> Re: [IPFIX] Search comments a=
nd feedbacks about the draft of IPFIX IE extension when considering BGP co=
mmunity</div></div></div><div><div class=3D"FoxDiv20160729161429875025">=
=0A =0A =0A =0A =0A <div class=3D"moz-cite-prefix">On 7/20/2016 4=
:49 PM, PJ Aitken wrote:<br>=0A </div>=0A <blockquote cite=3D"mid:2b=
[email protected]" type=3D"cite" style=3D"mar=
gin-top: 0px;">=0A =0A When a draft specifies one of the list ty=
pes, should it also=0A specify the type of the list elements and the =
expected semantics?<br>=0A </blockquote>=0A Yes. And I suppose that =
it would come from a BGP community reference=0A in a BGP RFC in this ca=
se.<br>=0A <br>=0A Regards, B.<br>=0A <blockquote cite=3D"mid:2be=
[email protected]" type=3D"cite" style=3D"marg=
in-top: 0px;"> <br>=0A Else we could have non-interoperable implement=
ations exporting the=0A same "IANA standard" information element, whe=
re one is a=0A "basicList of X" while another is a "basicList of Y".<=
br>=0A ie, although the IE is the same, the basicList Field ID and=0A=
semantics are different. See RFC 6313, Figure 1.)<br>=0A <br>=
=0A eg, the BGP community draft referenced below creates a new=0A =
bgpSourceCommunityList. I suppose this may be a list of=0A bgpSourc=
eAsNumber, but that's not specified in the draft - so it=0A could equ=
ally be a list of sourceIPv4Address or any other IE.<br>=0A <br>=0A =
Alternatively, devices could simply export IE #291 (basicList),=0A =
with the bgpSourceCommunityList and bgpDestinationCommunityList=0A =
disambiguated by the basicList Field ID contained in the basicList=0A =
header. However that would be horrendous for collectors...<br>=0A <b=
r>=0A P.<br>=0A <br>=0A <br>=0A <div class=3D"moz-cite=
-prefix">On 20/07/16 08:12, Benoit Claise=0A wrote:<br>=0A </d=
iv>=0A <blockquote cite=3D"mid:321dd0a3-986a-6df2-ca29-d414929f36bc@c=
isco.com" type=3D"cite" style=3D"margin-top: 0px;">=0A <div class=
=3D"moz-cite-prefix">Dear all,<br>=0A <br>=0A We know th=
at the <a moz-do-not-send=3D"true" href=3D"https://urldefense.proofpoint.c=
om/v2/url?u=3Dhttps-3A__tools.ietf.org_html_rfc7012-23section-2D7&d=3D=
CwMDEA&c=3DIL_XqQWOjubgfqINi2jTzg&r=3DXx9729xYDYoCgBDdcp1FKt5PyYd1=
TCoXNKhyPY8CFp8&m=3DZslthyAR_pCMk0ceVDm68IQNaZBed3zfEKAlZ4zaux4&s=
=3DPT25lVmWADTBAoRFJls07fJ6PTOd2XWc0L4bTWxB3MY&e=3D" style=3D"color: r=
gb(5, 99, 193); text-decoration: underline;">IANA=0A considerat=
ions</a> mentions "expert review" for the <a moz-do-not-send=3D"true" href=
=3D"https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.iana.org_as=
signments_ipfix_ipfix.xhtml&d=3DCwMDEA&c=3DIL_XqQWOjubgfqINi2jTzg&=
amp;r=3DXx9729xYDYoCgBDdcp1FKt5PyYd1TCoXNKhyPY8CFp8&m=3DZslthyAR_pCMk0=
ceVDm68IQNaZBed3zfEKAlZ4zaux4&s=3Dtbt3wdaVgevcKVTqBEKX_MhNO7g_oaW3Xiyw=
Ap65WgY&e=3D" style=3D"color: rgb(5, 99, 193); text-decoration: underl=
ine;">IPFIX=0A registry</a>.<br>=0A This BGP community=
is actually a special IPFIX Information=0A Element as this is th=
e first one based on <a moz-do-not-send=3D"true" href=3D"https://urldefens=
e.proofpoint.com/v2/url?u=3Dhttps-3A__tools.ietf.org_html_rfc6313&d=3D=
CwMDEA&c=3DIL_XqQWOjubgfqINi2jTzg&r=3DXx9729xYDYoCgBDdcp1FKt5PyYd1=
TCoXNKhyPY8CFp8&m=3DZslthyAR_pCMk0ceVDm68IQNaZBed3zfEKAlZ4zaux4&s=
=3DR9ipRubr7eEQrMnskDLzBjeZqhpnmefnWc59t3_ab7s&e=3D" style=3D"color: r=
gb(5, 99, 193); text-decoration: underline;">RFC=0A 6313 =
</a>(basicList, subTemplateList,=0A subTemplateMultiList) <br>=0A=
So it deserves special attention, review, and potential=0A =
documentation as its own RFC.<br>=0A <br>=0A Regards=
, Benoit<br>=0A <br>=0A </div>=0A <blockquote=
cite=3D"mid:[email protected]" type=3D"cite=
" style=3D"margin-top: 0px;">=0A =0A <!--[if gte mso 9]>=
<xml>=0A<o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" ></o:shapedefault=
s>=0A</xml><![endif]--><!--[if gte mso 9]><xml>=0A<o:shapelayout v:ext=3D"=
edit">=0A<o:idmap v:ext=3D"edit" data=3D"1" ></o:idmap>=0A</o:shapelayout>=
</xml><![endif]-->=0A <div class=3D"WordSection1" style=3D"page: =
WordSection1;">=0A <p class=3D"MsoNormal" style=3D"margin: 0cm =
0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri=
, sans-serif;"><span lang=3D"EN-US">Hi, dear all.<o:p></o:p></span></p>=0A=
<p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; text=
-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;"><sp=
an lang=3D"EN-US">Nice meeting you in=0A the mail-list of I=
PFIX. This IETF in Berlin right now,=0A we submit a draft a=
nd present it about the IPFIX IE=0A extension when consider=
ing BGP community. I=E2=80=99m looking=0A for comments and =
feedbacks about our idea in new IE=0A added in exporting th=
e flow information correlated with=0A BGP community. As dea=
r chair told me that the mail-list=0A is still alive, I fol=
low the suggestion of putting my=0A draft here and searchin=
g for advice and suggestions in=0A the right place. <o:p></=
o:p></span></p>=0A <p class=3D"MsoNormal" style=3D"margin: 0cm =
0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri=
, sans-serif;"><span lang=3D"EN-US"><o:p> </o:p></span></p>=0A =
<p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; text-align:=
justify; font-size: 10.5pt; font-family: Calibri, sans-serif;"><span lang=
=3D"EN-US">Before that, I made=0A a short summary of my dra=
ft which may be helpful in=0A quick looking at the draft. W=
hen we consider traffic=0A steering in our backbone network=
, we feel that the flow=0A information based on BGP communi=
ty is quite suitable.=0A That=E2=80=99s the reason why we w=
rite the draft. And we now=0A recommend two IEs which may b=
e assigned by IANA:=0A bgpSourceCommunityList and bgpDestin=
ationCommunityList.=0A <o:p></o:p></span></p>=0A =
<p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; text-align: jus=
tify; font-size: 10.5pt; font-family: Calibri, sans-serif;"><span lang=3D"=
EN-US"><o:p> </o:p></span></p>=0A <p class=3D"MsoNormal" s=
tyle=3D"margin: 0cm 0cm 0.0001pt; text-align: justify; font-size: 10.5pt; =
font-family: Calibri, sans-serif;"><span lang=3D"EN-US">If you are facing =
up=0A with this situations as us, then we can discuss about=
=0A the IEs especially the details. <o:p></o:p></span></p>=
=0A <p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; t=
ext-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;">=
<span lang=3D"EN-US"><o:p> </o:p></span></p>=0A <p class=
=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; text-align: justify; fon=
t-size: 10.5pt; font-family: Calibri, sans-serif;"><span lang=3D"EN-US">Th=
e information of=0A my draft: <a moz-do-not-send=3D"true" h=
ref=3D"https://urldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.ietf.org=
_internet-2Ddrafts_draft-2Dli-2Dopsawg-2Dipfix-2Dbgp-2Dcommunity-2D00.txt&=
amp;d=3DCwMDEA&c=3DIL_XqQWOjubgfqINi2jTzg&r=3DXx9729xYDYoCgBDdcp1F=
Kt5PyYd1TCoXNKhyPY8CFp8&m=3DZslthyAR_pCMk0ceVDm68IQNaZBed3zfEKAlZ4zaux=
4&s=3DT9dMbA_3xk8ZMfCI0dkNONKt1xL04aoMa8vn_-9FBns&e=3D" target=3D"=
_blank" style=3D"color: rgb(5, 99, 193); text-decoration: underline;"><spa=
n style=3D"font-size:10.0pt;font-family:"Microsoft=0A =
YaHei UI",sans-serif;background:white">https://www.ietf.org/inter=
net-drafts/draft-li-opsawg-ipfix-bgp-community-00.txt</span></a><o:p></o:p=
></span></p>=0A <p class=3D"MsoNormal" style=3D"margin: 0cm 0cm=
0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, s=
ans-serif;"><span lang=3D"EN-US"><o:p> </o:p></span></p>=0A =
<p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; text-align: ju=
stify; font-size: 10.5pt; font-family: Calibri, sans-serif;"><span lang=3D=
"EN-US">I=E2=80=99m looking forward=0A for your comments.<o=
:p></o:p></span></p>=0A <p class=3D"MsoNormal" style=3D"margin:=
0cm 0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Ca=
libri, sans-serif;"><span lang=3D"EN-US">Best regards and=0A =
have a nice trip in Berlin.<o:p></o:p></span></p>=0A <p class=
=3D"MsoNormal" style=3D"text-align: justify; margin: 0cm 0cm 0.0001pt; fon=
t-size: 10.5pt; font-family: Calibri, sans-serif;" align=3D"left"><span st=
yle=3D"font-size:10.0pt;font-family:"Verdana",sans-serif" lang=
=3D"EN-US">-----------------------------------------------------------<o:p=
></o:p></span></p>=0A <p class=3D"MsoNormal" style=3D"text-alig=
n: justify; margin: 0cm 0cm 0.0001pt; font-size: 10.5pt; font-family: Cali=
bri, sans-serif;" align=3D"left"><span style=3D"font-size:10.0pt;font-fami=
ly:"Verdana",sans-serif" lang=3D"EN-US">Rong Gu<br>=0A =
China Mobile Research Institute<br>=0A No.32 Xuanwume=
n West Street, Xicheng District<br>=0A Beijing, China, 1000=
53<br>=0A Mobile: +86 13811520541<br>=0A Pho=
ne: +86 10 15801696688 Ext. 36211<br>=0A Email: <a moz-do-n=
ot-send=3D"true" href=3D"mailto:[email protected]" style=3D"color: r=
gb(5, 99, 193); text-decoration: underline;"><span style=3D"color:blue">gu=
[email protected]</span></a><o:p></o:p></span></p>=0A <p cla=
ss=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; text-align: justify; f=
ont-size: 10.5pt; font-family: Calibri, sans-serif;"><span lang=3D"EN-US">=
<o:p> </o:p></span></p>=0A <p class=3D"MsoNormal" style=3D=
"margin: 0cm 0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-fa=
mily: Calibri, sans-serif;"><span lang=3D"EN-US"><o:p> </o:p></span><=
/p>=0A </div>=0A </blockquote>=0A <br>=0A <b=
r>=0A <fieldset class=3D"mimeAttachmentHeader"></fieldset>=0A =
<br>=0A <pre wrap=3D"">__________________________________________=
_____=0AIPFIX mailing list=0A<a moz-do-not-send=3D"true" class=3D"moz-txt-=
link-abbreviated" href=3D"mailto:[email protected]" style=3D"color: rgb(5, 99=
, 193); text-decoration: underline;">[email protected]</a>=0A<a moz-do-not-se=
nd=3D"true" class=3D"moz-txt-link-freetext" href=3D"https://urldefense.pro=
ofpoint.com/v2/url?u=3Dhttps-3A__www.ietf.org_mailman_listinfo_ipfix&d=
=3DCwICAg&c=3DIL_XqQWOjubgfqINi2jTzg&r=3DXx9729xYDYoCgBDdcp1FKt5Py=
Yd1TCoXNKhyPY8CFp8&m=3DZslthyAR_pCMk0ceVDm68IQNaZBed3zfEKAlZ4zaux4&=
;s=3DmL0br6tuMk78xRPYaHEPxZ5usdrXvvMI1C_g105zdws&e=3D" style=3D"color:=
rgb(5, 99, 193); text-decoration: underline;">https://urldefense.proofpoi=
nt.com/v2/url?u=3Dhttps-3A__www.ietf.org_mailman_listinfo_ipfix&d=3DCw=
ICAg&c=3DIL_XqQWOjubgfqINi2jTzg&r=3DXx9729xYDYoCgBDdcp1FKt5PyYd1TC=
oXNKhyPY8CFp8&m=3DZslthyAR_pCMk0ceVDm68IQNaZBed3zfEKAlZ4zaux4&s=3D=
mL0br6tuMk78xRPYaHEPxZ5usdrXvvMI1C_g105zdws&e=3D</a> =0A</pre>=0A =
</blockquote>=0A <br>=0A </blockquote>=0A <br>=0A =0A</div></=
div></blockquote>=0A</body></html>
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_______________________________________________
IPFIX mailing list
[email protected]
https://www.ietf.org/mailman/listinfo/ipfix
--===============3108630528567839311==--