Re: [IPFIX] Search comments and feedbacks about the draft of IPFIX IE extension when considering BGP community
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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.foxdiv20160729155728582415 { }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 P.=
Aitken and all,</div><div><br></div><div>If the suggested IE numbers are =
assigned by IANA, 458 not 291 SHOULD be encoded in the Field ID field in t=
he basicList for <span style=3D"background-color: rgba(0, 0, 0, 0); f=
ont-size: 10.5pt; line-height: 1.5;">bgpSourceCommunityList, and 459 =
</span><span style=3D"font-size: 10.5pt; line-height: 1.5; background-colo=
r: window;">SHOULD be encoded for </span><span style=3D"font-size: 10=
.5pt; line-height: 1.5; background-color: window;">bgpDestinationCommunity=
List.</span></div><div><span style=3D"font-size: 10.5pt; line-height: 1.5;=
background-color: window;"><br></span></div><div><span style=3D"font-size=
: 10.5pt; line-height: 1.5; background-color: window;">basicList is an IE =
type defined in RFC6313. We can use this type to define new IEs if type ba=
sicList is applicable.</span></div>=0A<div><br></div><div>Sorry for delaye=
d response.</div><div><br></div><div>Best Regards,</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>[email protected]</div></div></span></div>=0A<blockquote st=
yle=3D"margin-top: 0px; margin-bottom: 0px; margin-left: 0.5em;"><div>&nbs=
p;</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; FON=
T-SIZE: 12px;FONT-FAMILY:tahoma;COLOR:#000000; BACKGROUND: #efefef; PADDIN=
G-BOTTOM: 8px; PADDING-TOP: 8px"><div><b>From:</b> <a href=3D"mailto:=
[email protected]" style=3D"color: rgb(5, 99, 193); text-decoration: und=
erline;">PJ Aitken</a></div><div><b>Date:</b> 2016-07-20 22:49</=
div><div><b>To:</b> <a href=3D"mailto:[email protected]" style=3D"col=
or: rgb(5, 99, 193); text-decoration: underline;">Benoit Claise</a>; <a hr=
ef=3D"mailto:[email protected]" style=3D"color: rgb(5, 99, 193); text=
-decoration: underline;">Ariel Gu</a>; <a href=3D"mailto:[email protected]" s=
tyle=3D"color: rgb(5, 99, 193); text-decoration: underline;">[email protected]=
g</a>; <a href=3D"mailto:[email protected]" style=3D"color: rgb(5,=
99, 193); text-decoration: underline;">[email protected]</a>; <a =
href=3D"mailto:[email protected]" style=3D"color: rgb(5, 99, 193); text-de=
coration: underline;">[email protected]</a></div><div><b>CC:</b> <a h=
ref=3D"mailto:[email protected]" style=3D"color: rgb(5, 99, 193)=
; text-decoration: underline;">lizhenqiang</a>; <a href=3D"mailto:trammell=
@tik.ee.ethz.ch" style=3D"color: rgb(5, 99, 193); text-decoration: underli=
ne;">Brian Trammell</a>; <a href=3D"mailto:[email protected]" style=3D"c=
olor: rgb(5, 99, 193); text-decoration: underline;">[email protected]</a=
></div><div><b>Subject:</b> Re: [IPFIX] Search comments and feedbacks=
about the draft of IPFIX IE extension when considering BGP community</div=
></div></div><div><div class=3D"FoxDiv20160729155728582415">=0A =0A =
=0A =0A =0A When a draft specifies one of the list types, should it a=
lso specify=0A the type of the list elements and the expected semantics=
?<br>=0A <br>=0A Else we could have non-interoperable implementation=
s exporting the=0A same "IANA standard" information element, where one =
is a "basicList=0A of X" while another is a "basicList of Y".<br>=0A =
ie, although the IE is the same, the basicList Field ID and=0A semanti=
cs are different. See RFC 6313, Figure 1.)<br>=0A <br>=0A eg, the BG=
P community draft referenced below creates a new=0A bgpSourceCommunityL=
ist. I suppose this may be a list of=0A bgpSourceAsNumber, but that's n=
ot specified in the draft - so it=0A could equally be a list of sourceI=
Pv4Address or any other IE.<br>=0A <br>=0A Alternatively, devices co=
uld simply export IE #291 (basicList), with=0A the bgpSourceCommunityLi=
st and bgpDestinationCommunityList=0A disambiguated by the basicList Fi=
eld ID contained in the basicList=0A header. However that would be horr=
endous for collectors...<br>=0A <br>=0A P.<br>=0A <br>=0A <br>=
=0A <div class=3D"moz-cite-prefix">On 20/07/16 08:12, Benoit Claise wro=
te:<br>=0A </div>=0A <blockquote cite=3D"mid:321dd0a3-986a-6df2-ca29=
[email protected]" type=3D"cite" style=3D"margin-top: 0px;">=0A =
<div class=3D"moz-cite-prefix">Dear all,<br>=0A <br>=0A We =
know that the <a moz-do-not-send=3D"true" href=3D"https://urldefense.proof=
point.com/v2/url?u=3Dhttps-3A__tools.ietf.org_html_rfc7012-23section-2D7&a=
mp;d=3DCwMDEA&c=3DIL_XqQWOjubgfqINi2jTzg&r=3DXx9729xYDYoCgBDdcp1FK=
t5PyYd1TCoXNKhyPY8CFp8&m=3DZslthyAR_pCMk0ceVDm68IQNaZBed3zfEKAlZ4zaux4=
&s=3DPT25lVmWADTBAoRFJls07fJ6PTOd2XWc0L4bTWxB3MY&e=3D" style=3D"co=
lor: rgb(5, 99, 193); text-decoration: underline;">IANA=0A consid=
erations</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.or=
g_assignments_ipfix_ipfix.xhtml&d=3DCwMDEA&c=3DIL_XqQWOjubgfqINi2j=
Tzg&r=3DXx9729xYDYoCgBDdcp1FKt5PyYd1TCoXNKhyPY8CFp8&m=3DZslthyAR_p=
CMk0ceVDm68IQNaZBed3zfEKAlZ4zaux4&s=3Dtbt3wdaVgevcKVTqBEKX_MhNO7g_oaW3=
XiywAp65WgY&e=3D" style=3D"color: rgb(5, 99, 193); text-decoration: un=
derline;">IPFIX=0A registry</a>.<br>=0A This BGP community=
is actually a special IPFIX Information=0A Element as this is the =
first one based on <a moz-do-not-send=3D"true" href=3D"https://urldefense.=
proofpoint.com/v2/url?u=3Dhttps-3A__tools.ietf.org_html_rfc6313&d=3DCw=
MDEA&c=3DIL_XqQWOjubgfqINi2jTzg&r=3DXx9729xYDYoCgBDdcp1FKt5PyYd1TC=
oXNKhyPY8CFp8&m=3DZslthyAR_pCMk0ceVDm68IQNaZBed3zfEKAlZ4zaux4&s=3D=
R9ipRubr7eEQrMnskDLzBjeZqhpnmefnWc59t3_ab7s&e=3D" style=3D"color: rgb(=
5, 99, 193); text-decoration: underline;">RFC=0A 6313 </a>(=
basicList, subTemplateList, subTemplateMultiList)=0A <br>=0A =
So it deserves special attention, review, and potential=0A documen=
tation as its own RFC.<br>=0A <br>=0A Regards, Benoit<br>=0A=
<br>=0A </div>=0A <blockquote cite=3D"mid:002501d1=
[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:shapedefaults>=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: j=
ustify; 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"Mso=
Normal" style=3D"margin: 0cm 0cm 0.0001pt; text-align: justify; font-size:=
10.5pt; font-family: Calibri, sans-serif;"><span lang=3D"EN-US">Nice meet=
ing you in=0A the mail-list of IPFIX. This IETF in Berlin rig=
ht now, we=0A submit a draft and present it about the IPFIX I=
E extension=0A when considering BGP community. I=E2=80=99m lo=
oking for comments=0A and feedbacks about our idea in new IE =
added in exporting=0A the flow information correlated with BG=
P community. As=0A dear chair told me that the mail-list is s=
till alive, I=0A follow the suggestion of putting my draft he=
re and=0A searching for advice and suggestions in the right p=
lace. <o:p></o:p></span></p>=0A <p class=3D"MsoNormal" style=3D"m=
argin: 0cm 0cm 0.0001pt; text-align: justify; font-size: 10.5pt; font-fami=
ly: 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; te=
xt-align: justify; font-size: 10.5pt; font-family: Calibri, sans-serif;"><=
span lang=3D"EN-US">Before that, I made a=0A short summary of=
my draft which may be helpful in quick=0A looking at the dra=
ft. When we consider traffic steering in=0A our backbone netw=
ork, we feel that the flow information=0A based on BGP commun=
ity is quite suitable. That=E2=80=99s the=0A reason why we wr=
ite the draft. And we now recommend two=0A IEs which may be a=
ssigned by IANA: bgpSourceCommunityList=0A and bgpDestination=
CommunityList. <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"><o:p> </o:p><=
/span></p>=0A <p class=3D"MsoNormal" style=3D"margin: 0cm 0cm 0.0=
001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, sans-=
serif;"><span lang=3D"EN-US">If you are facing up=0A with thi=
s situations as us, then we can discuss about the=0A IEs espe=
cially the details. <o:p></o:p></span></p>=0A <p class=3D"MsoNorm=
al" 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 0c=
m 0.0001pt; text-align: justify; font-size: 10.5pt; font-family: Calibri, =
sans-serif;"><span lang=3D"EN-US">The information of my=0A dr=
aft: <a moz-do-not-send=3D"true" href=3D"https://urldefense.proofpoint.com=
/v2/url?u=3Dhttps-3A__www.ietf.org_internet-2Ddrafts_draft-2Dli-2Dopsawg-2=
Dipfix-2Dbgp-2Dcommunity-2D00.txt&d=3DCwMDEA&c=3DIL_XqQWOjubgfqINi=
2jTzg&r=3DXx9729xYDYoCgBDdcp1FKt5PyYd1TCoXNKhyPY8CFp8&m=3DZslthyAR=
_pCMk0ceVDm68IQNaZBed3zfEKAlZ4zaux4&s=3DT9dMbA_3xk8ZMfCI0dkNONKt1xL04a=
oMa8vn_-9FBns&e=3D" target=3D"_blank" style=3D"color: rgb(5, 99, 193);=
text-decoration: underline;"><span style=3D"font-size:10.0pt;font-family:=
"Microsoft=0A YaHei UI",sans-serif;background:w=
hite">https://www.ietf.org/internet-drafts/draft-li-opsawg-ipfix-bgp-commu=
nity-00.txt</span></a><o:p></o:p></span></p>=0A <p class=3D"MsoNo=
rmal" style=3D"margin: 0cm 0cm 0.0001pt; text-align: justify; font-size: 1=
0.5pt; 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">I=E2=80=99m looking forward=0A =
for your comments.<o:p></o:p></span></p>=0A <p class=3D"Mso=
Normal" style=3D"margin: 0cm 0cm 0.0001pt; text-align: justify; font-size:=
10.5pt; font-family: Calibri, sans-serif;"><span lang=3D"EN-US">Best rega=
rds and have=0A 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; font-size: 10.5pt; font-family: Calibri, sans-serif;" al=
ign=3D"left"><span style=3D"font-size:10.0pt;font-family:"Verdana&quo=
t;,sans-serif" lang=3D"EN-US">--------------------------------------------=
---------------<o:p></o:p></span></p>=0A <p class=3D"MsoNormal" s=
tyle=3D"text-align: justify; margin: 0cm 0cm 0.0001pt; font-size: 10.5pt; =
font-family: Calibri, sans-serif;" align=3D"left"><span style=3D"font-size=
:10.0pt;font-family:"Verdana",sans-serif" lang=3D"EN-US">Rong Gu=
<br>=0A China Mobile Research Institute<br>=0A N=
o.32 Xuanwumen West Street, Xicheng District<br>=0A Beijing, =
China, 100053<br>=0A Mobile: +86 13811520541<br>=0A =
Phone: +86 10 15801696688 Ext. 36211<br>=0A Email: <a moz=
-do-not-send=3D"true" href=3D"mailto:[email protected]" style=3D"col=
or: rgb(5, 99, 193); text-decoration: underline;"><span style=3D"color:blu=
e">[email protected]</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, sans-serif;"><span lang=3D"EN-U=
S"><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></spa=
n></p>=0A </div>=0A </blockquote>=0A <br>=0A <br>=0A=
<fieldset class=3D"mimeAttachmentHeader"></fieldset>=0A <br>=0A=
<pre wrap=3D"">_______________________________________________=0AIPF=
IX mailing list=0A<a class=3D"moz-txt-link-abbreviated" href=3D"mailto:IPF=
[email protected]" style=3D"color: rgb(5, 99, 193); text-decoration: underline;"=
>[email protected]</a>=0A<a class=3D"moz-txt-link-freetext" href=3D"https://u=
rldefense.proofpoint.com/v2/url?u=3Dhttps-3A__www.ietf.org_mailman_listinf=
o_ipfix&d=3DCwICAg&c=3DIL_XqQWOjubgfqINi2jTzg&r=3DXx9729xYDYoC=
gBDdcp1FKt5PyYd1TCoXNKhyPY8CFp8&m=3DZslthyAR_pCMk0ceVDm68IQNaZBed3zfEK=
AlZ4zaux4&s=3DmL0br6tuMk78xRPYaHEPxZ5usdrXvvMI1C_g105zdws&e=3D" st=
yle=3D"color: rgb(5, 99, 193); text-decoration: underline;">https://urldef=
ense.proofpoint.com/v2/url?u=3Dhttps-3A__www.ietf.org_mailman_listinfo_ipf=
ix&d=3DCwICAg&c=3DIL_XqQWOjubgfqINi2jTzg&r=3DXx9729xYDYoCgBDdc=
p1FKt5PyYd1TCoXNKhyPY8CFp8&m=3DZslthyAR_pCMk0ceVDm68IQNaZBed3zfEKAlZ4z=
aux4&s=3DmL0br6tuMk78xRPYaHEPxZ5usdrXvvMI1C_g105zdws&e=3D</a> =0A<=
/pre>=0A </blockquote>=0A <br>=0A =0A</div></div></blockquote>=0A</=
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