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From: Hariharan Ananthakrishnan <hari@netflix.com>
Date: Sat, 3 Oct 2020 14:43:58 -0700
Message-ID: <CAL70W4pkwjYdjO9dOc36LuFn=39fgd9X=BCR60p9802jo3dERA@mail.gmail.com>
To: slitkows@cisco.com, msiva282@gmail.com, jefftant.ietf@gmail.com,  Jonathan Hardwick <jonathan.hardwick@metaswitch.com>, Mahend Negi <mahend.ietf@gmail.com>, c.l@huawei.com
Cc: pce@ietf.org
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Subject: [Pce] Shepherd Review of draft-ietf-pce-association-policy-12
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Hi Authors,


Please find the review comments below:


Title

OLD

Path Communication Element (PCE) communication Protocol (PCEP) extension
for associating Policies and Label Switched Paths (LSPs)


NEW

Path Communication Element (PCE) Communication Protocol (PCEP) extension
for associating Policies and Label Switched Paths (LSPs)


1. Introduction


OLD

[RFC5440] describes the Path Computation Element communication
Protocol(PCEP) which enables communication between a Path Computation
Client(PCC) and a Path Control Element (PCE),


NEW

[RFC5440] describes the Path Computation Element Communication
Protocol(PCEP) which enables communication between a Path Computation
Client(PCC) and a Path Computation Element (PCE),



2. Terminology


OLD

PCC: Path Computation Client. Any client application requesting a  path
computation to be performed by a Path Computation Element.


NEW

PCC:  Path Computation Client; any client application requesting a

      path computation to be performed by a Path Computation Element.


OLD

PCE:  Path Computation Element.  An entity (component, application,

      or network node) that is capable of computing a network path or

      route based on a network graph and applying computational

      constraints.


NEW

PCE:  Path Computation Element; an entity (component, application, or

      network node) that is capable of computing a network path or route

      based on a network graph and applying computational constraints.


3. Motivation

OLD

Similarly, a PCC could request a user- or service-specific policy


NEW

Similarly, a  PCC could request a user-specific or service-specific policy


3.1 Policy based Constraints

OLD

In the context of policy-enabled path computation [RFC5394], path
computation policies may be applied at both a PCC and a PCE.


NEW

In the context of Policy-Enabled Path Computation Framework [RFC5394], path
computation policies may be applied at either a PCC or a PCE or both.


OLD

The PCC may also apply user- or service-specific policies to decide


NEW

The PCC may also apply user-specific or service-specific policies to decide



OLD

The user- or service-specific policies applied to PCC and are passed to the
PCE along with the Path computation request, in the form of constraints
[RFC5394]


NEW

The user-specific or service-specific policies applied to PCC are passed to
the PCE along with the path computation request, in the form of constraints
[RFC5394]



4. Overview

OLD

This document defines a new Association type, called =E2=80=9CPolicy Associ=
ation=E2=80=9D
(TBD1), based on the generic ASSOCIATION object.


NEW

This document defines a new association type, called =E2=80=9CPolicy Associ=
ation=E2=80=9D
of value 3, based on the generic ASSOCIATION object.


OLD

This capability exchange for the PAT (TBD1) MUST be done before using the
policy association.


NEW

This capability exchange for the PAT MUST be done before using the policy
association.


OLD

Thus the PCEP speaker MUST include the PAT (TBD1) in the ASSOC-Type-List TL=
V


NEW

Thus the PCEP speaker MUST include the PAT in the ASSOC-Type-List TLV


5.1. Policy Parameters TLV


OLD


       0                   1                   2                   3

       0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1

      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

      |         Type=3DTBD2             |          Length               |

      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+


NEW


       0                   1                   2                   3

       0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1

      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

      |         Type=3D48               |          Length               |

      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+




OLD

The type of the POLICY-PARAMETERS-TLV is TBD2


NEW

The type of the POLICY-PARAMETERS-TLV is 48


Thanks,

Hari

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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:verdana,=
sans-serif">





<p class=3D"gmail-p1" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">Hi Authors,</p><p class=3D"gmail-p1" style=3D"margin:0px;font-va=
riant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;lin=
e-height:normal;font-family:Verdana"><br></p><p class=3D"gmail-p1" style=3D=
"margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font=
-stretch:normal;line-height:normal;font-family:Verdana">Please find the rev=
iew comments=C2=A0below:</p><p class=3D"gmail-p1" style=3D"margin:0px;font-=
variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;l=
ine-height:normal;font-family:Verdana"><br></p><p class=3D"gmail-p1" style=
=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;f=
ont-stretch:normal;line-height:normal;font-family:Verdana">Title</p>
<p class=3D"gmail-p1" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">OLD</p>
<p class=3D"gmail-p1" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">Path Communication Element (PCE) communication Protocol (PCEP) e=
xtension for associating Policies and Label Switched Paths (LSPs)<span clas=
s=3D"gmail-Apple-converted-space">=C2=A0</span></p>
<p class=3D"gmail-p2" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p1" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">NEW</p>
<p class=3D"gmail-p1" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">Path Communication Element (PCE) Communication Protocol (PCEP) e=
xtension for associating Policies and Label Switched Paths (LSPs)</p>
<p class=3D"gmail-p2" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p1" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">1. Introduction</p>
<p class=3D"gmail-p2" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p1" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">OLD</p>
<p class=3D"gmail-p1" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">[RFC5440] describes the Path Computation Element communication P=
rotocol(PCEP) which enables communication between a Path Computation Client=
(PCC) and a Path Control Element (PCE),</p>
<p class=3D"gmail-p2" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p1" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">NEW</p>
<p class=3D"gmail-p1" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">[RFC5440] describes the Path Computation Element Communication P=
rotocol(PCEP) which enables communication between a Path Computation Client=
(PCC) and a Path Computation Element (PCE),</p>
<p class=3D"gmail-p2" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p2" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p1" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">2. Terminology</p>
<p class=3D"gmail-p2" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p1" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">OLD</p>
<p class=3D"gmail-p1" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">PCC: Path Computation Client. Any client application requesting =
a<span class=3D"gmail-Apple-converted-space">=C2=A0 </span>path computation=
 to be performed by a Path Computation Element.</p>
<p class=3D"gmail-p2" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p1" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">NEW</p>
<p class=3D"gmail-p3" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;color:rgb(0,0,0)"><span class=3D"gmail-s1" style=3D"font-kerning:=
none">PCC:<span class=3D"gmail-Apple-converted-space">=C2=A0 </span>Path Co=
mputation Client; any client application requesting a</span></p>
<p class=3D"gmail-p3" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;color:rgb(0,0,0)"><span class=3D"gmail-s1" style=3D"font-kerning:=
none"><span class=3D"gmail-Apple-converted-space">=C2=A0 =C2=A0 =C2=A0 </sp=
an>path computation to be performed by a Path Computation Element.</span></=
p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">OLD</p>
<p class=3D"gmail-p6" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span class=
=3D"gmail-s1" style=3D"font-kerning:none">PCE:<span class=3D"gmail-Apple-co=
nverted-space">=C2=A0 </span>Path Computation Element.<span class=3D"gmail-=
Apple-converted-space">=C2=A0 </span>An entity (component, application,</sp=
an></p>
<p class=3D"gmail-p6" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span class=
=3D"gmail-s1" style=3D"font-kerning:none"><span class=3D"gmail-Apple-conver=
ted-space">=C2=A0 =C2=A0 =C2=A0 </span>or network node) that is capable of =
computing a network path or</span></p>
<p class=3D"gmail-p6" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span class=
=3D"gmail-s1" style=3D"font-kerning:none"><span class=3D"gmail-Apple-conver=
ted-space">=C2=A0 =C2=A0 =C2=A0 </span>route based on a network graph and a=
pplying computational</span></p>
<p class=3D"gmail-p6" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span class=
=3D"gmail-s1" style=3D"font-kerning:none"><span class=3D"gmail-Apple-conver=
ted-space">=C2=A0 =C2=A0 =C2=A0 </span>constraints.</span></p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">NEW</p>
<p class=3D"gmail-p3" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;color:rgb(0,0,0)"><span class=3D"gmail-s1" style=3D"font-kerning:=
none">PCE:<span class=3D"gmail-Apple-converted-space">=C2=A0 </span>Path Co=
mputation Element; an entity (component, application, or</span></p>
<p class=3D"gmail-p3" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;color:rgb(0,0,0)"><span class=3D"gmail-s1" style=3D"font-kerning:=
none"><span class=3D"gmail-Apple-converted-space">=C2=A0 =C2=A0 =C2=A0 </sp=
an>network node) that is capable of computing a network path or route</span=
></p>
<p class=3D"gmail-p3" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;color:rgb(0,0,0)"><span class=3D"gmail-s1" style=3D"font-kerning:=
none"><span class=3D"gmail-Apple-converted-space">=C2=A0 =C2=A0 =C2=A0 </sp=
an>based on a network graph and applying computational constraints.</span><=
/p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">3. Motivation</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">OLD</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">Similarly, a PCC could request a user- or service-specific polic=
y</p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">NEW</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">Similarly, a<span class=3D"gmail-Apple-converted-space">=C2=A0 <=
/span>PCC could request a user-specific or service-specific policy</p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">3.1 Policy based Constraints</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">OLD</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">In the context of policy-enabled path computation [RFC5394], pat=
h computation policies may be applied at both a PCC and a PCE.</p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">NEW</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">In the context of Policy-Enabled Path Computation Framework [RFC=
5394], path computation policies may be applied at either a PCC or a PCE or=
 both.</p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">OLD</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">The PCC may also apply user- or service-specific policies to dec=
ide</p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">NEW</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">The PCC may also apply user-specific or service-specific policie=
s to decide</p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">OLD<span class=3D"gmail-Apple-converted-space">=C2=A0</span></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">The user- or service-specific policies applied to PCC and are pa=
ssed to the PCE along with the Path computation request, in the form of con=
straints [RFC5394]</p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">NEW</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">The user-specific or service-specific policies applied to PCC ar=
e passed to the PCE along with the path computation request, in the form of=
 constraints [RFC5394]</p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">4. Overview</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">OLD</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">This document defines a new Association type, called =E2=80=9CPo=
licy Association=E2=80=9D (TBD1), based on the generic ASSOCIATION object.<=
/p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">NEW</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">This document defines a new association type, called =E2=80=9CPo=
licy Association=E2=80=9D of value 3, based on the generic ASSOCIATION obje=
ct.</p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">OLD</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">This capability exchange for the PAT (TBD1) MUST be done before =
using the policy association.<span class=3D"gmail-Apple-converted-space">=
=C2=A0</span></p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">NEW</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">This capability exchange for the PAT MUST be done before using t=
he policy association.</p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">OLD</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">Thus the PCEP speaker MUST include the PAT (TBD1) in the ASSOC-T=
ype-List TLV</p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">NEW</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">Thus the PCEP speaker MUST include the PAT in the ASSOC-Type-Lis=
t TLV</p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">5.1. Policy Parameters TLV</p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">OLD</p>
<p class=3D"gmail-p7" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:&quot;PT Mono&quot;;color:rgb(0,0,0);background-color:rgb(255,253,242);mi=
n-height:15px"><span class=3D"gmail-s1" style=3D"font-kerning:none"></span>=
<br></p>
<p class=3D"gmail-p8" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:&quot;PT Mono&quot;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><=
span class=3D"gmail-s1" style=3D"font-kerning:none"><span class=3D"gmail-Ap=
ple-converted-space">=C2=A0=C2=A0 =C2=A0 =C2=A0 </span>0 <span class=3D"gma=
il-Apple-converted-space">=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 </span>1 <span class=3D"gmail-Apple-converted-space">=C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>2 <span clas=
s=3D"gmail-Apple-converted-space">=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
 =C2=A0 =C2=A0 =C2=A0 </span>3</span></p>
<p class=3D"gmail-p8" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:&quot;PT Mono&quot;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><=
span class=3D"gmail-s1" style=3D"font-kerning:none"><span class=3D"gmail-Ap=
ple-converted-space">=C2=A0=C2=A0 =C2=A0 =C2=A0 </span>0 1 2 3 4 5 6 7 8 9 =
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1</span></p>
<p class=3D"gmail-p8" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:&quot;PT Mono&quot;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><=
span class=3D"gmail-s1" style=3D"font-kerning:none"><span class=3D"gmail-Ap=
ple-converted-space">=C2=A0 =C2=A0 =C2=A0 </span>+-+-+-+-+-+-+-+-+-+-+-+-+-=
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+</span></p>
<p class=3D"gmail-p8" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:&quot;PT Mono&quot;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><=
span class=3D"gmail-s1" style=3D"font-kerning:none"><span class=3D"gmail-Ap=
ple-converted-space">=C2=A0 =C2=A0 =C2=A0 </span>| <span class=3D"gmail-App=
le-converted-space">=C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>Type=3DTBD2 <span cl=
ass=3D"gmail-Apple-converted-space">=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 </span>|<span class=3D"gmail-Apple-converted-space">=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 </span>Length <span class=3D"gmail-Apple-converted-space"=
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>|</span></p>
<p class=3D"gmail-p8" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:&quot;PT Mono&quot;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><=
span class=3D"gmail-s1" style=3D"font-kerning:none"><span class=3D"gmail-Ap=
ple-converted-space">=C2=A0 =C2=A0 =C2=A0 </span>+-+-+-+-+-+-+-+-+-+-+-+-+-=
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+</span></p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">NEW</p>
<p class=3D"gmail-p7" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:&quot;PT Mono&quot;;color:rgb(0,0,0);background-color:rgb(255,253,242);mi=
n-height:15px"><span class=3D"gmail-s1" style=3D"font-kerning:none"></span>=
<br></p>
<p class=3D"gmail-p8" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:&quot;PT Mono&quot;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><=
span class=3D"gmail-s1" style=3D"font-kerning:none"><span class=3D"gmail-Ap=
ple-converted-space">=C2=A0=C2=A0 =C2=A0 =C2=A0 </span>0 <span class=3D"gma=
il-Apple-converted-space">=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 </span>1 <span class=3D"gmail-Apple-converted-space">=C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>2 <span clas=
s=3D"gmail-Apple-converted-space">=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
 =C2=A0 =C2=A0 =C2=A0 </span>3</span></p>
<p class=3D"gmail-p8" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:&quot;PT Mono&quot;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><=
span class=3D"gmail-s1" style=3D"font-kerning:none"><span class=3D"gmail-Ap=
ple-converted-space">=C2=A0=C2=A0 =C2=A0 =C2=A0 </span>0 1 2 3 4 5 6 7 8 9 =
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1</span></p>
<p class=3D"gmail-p8" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:&quot;PT Mono&quot;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><=
span class=3D"gmail-s1" style=3D"font-kerning:none"><span class=3D"gmail-Ap=
ple-converted-space">=C2=A0 =C2=A0 =C2=A0 </span>+-+-+-+-+-+-+-+-+-+-+-+-+-=
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+</span></p>
<p class=3D"gmail-p8" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:&quot;PT Mono&quot;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><=
span class=3D"gmail-s1" style=3D"font-kerning:none"><span class=3D"gmail-Ap=
ple-converted-space">=C2=A0 =C2=A0 =C2=A0 </span>| <span class=3D"gmail-App=
le-converted-space">=C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>Type=3D48 <span clas=
s=3D"gmail-Apple-converted-space">=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
 =C2=A0 </span>|<span class=3D"gmail-Apple-converted-space">=C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 </span>Length <span class=3D"gmail-Apple-converted-spa=
ce">=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>|</span></p>
<p class=3D"gmail-p8" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:&quot;PT Mono&quot;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><=
span class=3D"gmail-s1" style=3D"font-kerning:none"><span class=3D"gmail-Ap=
ple-converted-space">=C2=A0 =C2=A0 =C2=A0 </span>+-+-+-+-+-+-+-+-+-+-+-+-+-=
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+</span></p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><span class=3D"gmail-Apple-converted-space">=C2=
=A0</span></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">OLD</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">The type of the POLICY-PARAMETERS-TLV is TBD2</p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">NEW</p>
<p class=3D"gmail-p5" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana">The type of the POLICY-PARAMETERS-TLV is 48</p>
<p class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-=
variant-east-asian:normal;font-stretch:normal;line-height:normal;font-famil=
y:Verdana;min-height:15px"><br></p><p class=3D"gmail-p4" style=3D"margin:0p=
x;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:n=
ormal;line-height:normal;font-family:Verdana;min-height:15px">Thanks,</p><p=
 class=3D"gmail-p4" style=3D"margin:0px;font-variant-numeric:normal;font-va=
riant-east-asian:normal;font-stretch:normal;line-height:normal;font-family:=
Verdana;min-height:15px">Hari</p>
<p class=3D"gmail-p4" style=3D"font-size:12px;margin:0px;font-variant-numer=
ic:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:no=
rmal;font-family:Verdana;min-height:15px"><br></p></div></div>

--00000000000031380c05b0cb265f--


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Subject: [Pce] I-D Action: draft-ietf-pce-pcep-flowspec-11.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Path Computation Element WG of the IETF.

        Title           : PCEP Extension for Flow Specification
        Authors         : Dhruv Dhody
                          Adrian Farrel
                          Zhenbin Li
	Filename        : draft-ietf-pce-pcep-flowspec-11.txt
	Pages           : 37
	Date            : 2020-10-05

Abstract:
   The Path Computation Element (PCE) is a functional component capable
   of selecting paths through a traffic engineering network.  These
   paths may be supplied in response to requests for computation, or may
   be unsolicited requests issued by the PCE to network elements.  Both
   approaches use the PCE Communication Protocol (PCEP) to convey the
   details of the computed path.

   Traffic flows may be categorized and described using "Flow
   Specifications".  RFC XXXX defines the Flow Specification and
   describes how Flow Specification Components are used to describe
   traffic flows.  RFC XXXX also defines how Flow Specifications may be
   distributed in BGP to allow specific traffic flows to be associated
   with routes.

   This document specifies a set of extensions to PCEP to support
   dissemination of Flow Specifications.  This allows a PCE to indicate
   what traffic should be placed on each path that it is aware of.

   The extensions defined in this document include the creation, update,
   and withdrawal of Flow Specifications via PCEP, and can be applied to
   tunnels initiated by the PCE or to tunnels where control is delegated
   to the PCE by the PCC.  Furthermore, a PCC requesting a new path can
   include Flow Specifications in the request to indicate the purpose of
   the tunnel allowing the PCE to factor this into the path computation.

   RFC Editor Note: Please replace XXXX in the Abstract with the RFC
   number assigned to draft-ietf-idr-rfc5575bis when it is published.
   Please remove this note.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-flowspec/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-pce-pcep-flowspec-11
https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-flowspec-11

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-flowspec-11


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/



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Date: Mon, 5 Oct 2020 15:34:28 +0100
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Subject: [Pce] FW: I-D Action: draft-ietf-pce-pcep-flowspec-11.txt
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Alvaro and Ben,

Very sorry for delaying this progress so much and possibly causing your
cache not only to be flushed, but the archive tapes sent to the fire-vault
in Utah.

The last issue you had remaining was that 5575bis has removed the
possibility of multiple Flow Specification components of the same type being
present in one flow specification. We have aligned with this with two
changes:
- Added text to Section 7 saying:
   As described in [I-D.ietf-idr-rfc5575bis]
   where it says "A given component type MAY (exactly once) be present
   in the Flow Specification," a Flow Filter TLV MUST NOT contain more
   than one Flow Specification TLV of the same type: an implementation
   that receives a PCEP message with a Flow Filter TLV that contains more
   than one Flow Specification TLV of the same type MUST respond with a
   PCErr message with error-type TBD8 (FlowSpec Error), error-value 2
   (Malformed FlowSpec) and MUST NOT install the Flow Specification.
- Section 8.4 has been rewritten to mainly say "use separate Flow 
  Specification Objects for separate flow specifications"

This -11 revision picks up all other outstanding comments and nits.

Best,
Adrian

-----Original Message-----
From: I-D-Announce <i-d-announce-bounces@ietf.org> On Behalf Of
internet-drafts@ietf.org
Sent: 05 October 2020 15:27
To: i-d-announce@ietf.org
Cc: pce@ietf.org
Subject: I-D Action: draft-ietf-pce-pcep-flowspec-11.txt


A New Internet-Draft is available from the on-line Internet-Drafts
directories.
This draft is a work item of the Path Computation Element WG of the IETF.

        Title           : PCEP Extension for Flow Specification
        Authors         : Dhruv Dhody
                          Adrian Farrel
                          Zhenbin Li
	Filename        : draft-ietf-pce-pcep-flowspec-11.txt
	Pages           : 37
	Date            : 2020-10-05

Abstract:
   The Path Computation Element (PCE) is a functional component capable
   of selecting paths through a traffic engineering network.  These
   paths may be supplied in response to requests for computation, or may
   be unsolicited requests issued by the PCE to network elements.  Both
   approaches use the PCE Communication Protocol (PCEP) to convey the
   details of the computed path.

   Traffic flows may be categorized and described using "Flow
   Specifications".  RFC XXXX defines the Flow Specification and
   describes how Flow Specification Components are used to describe
   traffic flows.  RFC XXXX also defines how Flow Specifications may be
   distributed in BGP to allow specific traffic flows to be associated
   with routes.

   This document specifies a set of extensions to PCEP to support
   dissemination of Flow Specifications.  This allows a PCE to indicate
   what traffic should be placed on each path that it is aware of.

   The extensions defined in this document include the creation, update,
   and withdrawal of Flow Specifications via PCEP, and can be applied to
   tunnels initiated by the PCE or to tunnels where control is delegated
   to the PCE by the PCC.  Furthermore, a PCC requesting a new path can
   include Flow Specifications in the request to indicate the purpose of
   the tunnel allowing the PCE to factor this into the path computation.

   RFC Editor Note: Please replace XXXX in the Abstract with the RFC
   number assigned to draft-ietf-idr-rfc5575bis when it is published.
   Please remove this note.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-flowspec/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-pce-pcep-flowspec-11
https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-flowspec-11

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-flowspec-11


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


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From nobody Mon Oct  5 09:14:18 2020
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To: "Nicolai Leymann" <n.leymann@telekom.de>, "Julien Meuric" <julien.meuric@orange.com>, "Fatai Zhang" <zhangfatai@huawei.com>, "Lou Berger" <lberger@labn.net>, "Tarek Saad" <tsaad.net@gmail.com>, "Loa Andersson" <loa@pi.nu>, "Stewart Bryant" <stewart.bryant@gmail.com>, "Daniele Ceccarelli" <daniele.ceccarelli@ericsson.com>, "Andy Malis" <agmalis@gmail.com>, "Vishnu Pavan Beeram" <vbeeram@juniper.net>, "Dhruv Dhody" <dd@dhruvdhody.com>
Cc: Alvaro Retana <aretana.ietf@gmail.com>, Martin Vigoureux <martin.vigoureux@nokia.com>, Nicolai Leymann <n.leymann@telekom.de>, Stewart Bryant <stewart.bryant@gmail.com>, Scott Mansfield <Scott.Mansfield@Ericsson.com>, Deborah Brungard <db3546@att.com>, Dhruv Dhody <dd@dhruvdhody.com>, John Drake <jdrake@juniper.net>, Traffic Engineering Architecture and Signaling Discussion List <teas@ietf.org>, itu-t-liaison@iab.org, Fatai Zhang <zhangfatai@huawei.com>, Path Computation Element Discussion List <pce@ietf.org>, Lou Berger <lberger@labn.net>, Tarek Saad <tsaad.net@gmail.com>, Pseudowire And LDP-enabled Services Discussion List <pals@ietf.org>, Vishnu Beeram <vbeeram@juniper.net>, Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>, Julien Meuric <julien.meuric@orange.com>, Loa Andersson <loa@pi.nu>, hiroshi.ota@itu.int, Common Control and Measurement Plane Discussion List <ccamp@ietf.org>, Andy Malis <agmalis@gmail.com>, Multiprotocol Label Switching Discussion List <mpls@ietf.org>
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Subject: [Pce] New Liaison Statement, "LS on OTNT Standardization Work Plan Issue 28"
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Title: LS on OTNT Standardization Work Plan Issue 28
Submission Date: 2020-10-05
URL of the IETF Web page: https://datatracker.ietf.org/liaison/1698/
Please reply by 2021-05-01
From: Hiroshi Ota <hiroshi.ota@itu.int>
To: Loa Andersson <loa@pi.nu>,Nicolai Leymann <n.leymann@telekom.de>,Tarek Saad <tsaad.net@gmail.com>,Vishnu Pavan Beeram <vbeeram@juniper.net>, Lou Berger <lberger@labn.net>,Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>,Fatai Zhang <zhangfatai@huawei.com>,Andy Malis <agmalis@gmail.com>,Stewart Bryant <stewart.bryant@gmail.com>,Julien Meuric <julien.meuric@orange.com>,Dhruv Dhody <dd@dhruvdhody.com>
Cc: John Drake <jdrake@juniper.net>,Alvaro Retana <aretana.ietf@gmail.com>,Multiprotocol Label Switching Discussion List <mpls@ietf.org>,Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>,Julien Meuric <julien.meuric@orange.com>,Lou Berger <lberger@labn.net>,Vishnu Beeram <vbeeram@juniper.net>,Deborah Brungard <db3546@att.com>,Loa Andersson <loa@pi.nu>,Dhruv Dhody <dd@dhruvdhody.com>,Martin Vigoureux <martin.vigoureux@nokia.com>,Andy Malis <agmalis@gmail.com>,Pseudowire And LDP-enabled Services Discussion List <pals@ietf.org>,Tarek Saad <tsaad.net@gmail.com>,Fatai Zhang <zhangfatai@huawei.com>,Nicolai Leymann <n.leymann@telekom.de>,Scott Mansfield <Scott.Mansfield@Ericsson.com>,Traffic Engineering Architecture and Signaling Discussion List <teas@ietf.org>,Path Computation Element Discussion List <pce@ietf.org>,itu-t-liaison@iab.org,Stewart Bryant <stewart.bryant@gmail.com>,Common Control and Measurement Plane Discussion List <ccamp@ietf.org>
Response Contacts: hiroshi.ota@itu.int
Technical Contacts: 
Purpose: For action

Body: Attached is Issue 28 of the OTNT SWP, the latest version updated by the SG15 during a plenary meeting in September 2020.
We would appreciate updates to the material relevant to your SDO.

Attachment: Optical Transport Networks & Technologies Standardization Work Plan Issue 28, September 2020
Attachments:

    SG15-LS268-att-OTN-issue28
    https://www.ietf.org/lib/dt/documents/LIAISON/liaison-2020-10-05-itu-t-sg-15-mpls-ccamp-pce-pals-teas-ls-on-otnt-standardization-work-plan-issue-28-attachment-1.pdf

    SG15-LS268
    https://www.ietf.org/lib/dt/documents/LIAISON/liaison-2020-10-05-itu-t-sg-15-mpls-ccamp-pce-pals-teas-ls-on-otnt-standardization-work-plan-issue-28-attachment-2.pdf



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Subject: [Pce] WGLC for draft-ietf-pce-association-bidir
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Hi WG,

This email starts a working group last call for
draft-ietf-pce-association-bidir [1].  Please indicate your support or
concern for this draft. If you are opposed to the progression of the
draft to RFC, please articulate your concern. If you support it,
please indicate that you have read the latest version and it is ready
for publication in your opinion. As always, review comments and nits
are most welcome. A general reminder to the WG to be more vocal during
the LC and adoption calls.

The WG LC will end on 20th October 2020.

Thanks,
Dhruv & Julien
[1] https://datatracker.ietf.org/doc/draft-ietf-pce-association-bidir/


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Subject: [Pce] IPR Poll on draft-ietf-pce-association-bidir
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--000000000000ee162205b0f8b3c9
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Hi Authors,

In preparation for WG LC on this draft, I'd like all
authors and contributors to confirm on the list that they are in compliance
with IETF IPR rules.

We are aware of this disclosure https://datatracker.ietf.org/ipr/2995/

Please respond (copying the mailing list) to say one of:

I am not aware of any IPR applicable to this draft that should be disclosed
in accordance with IETF IPR rules.

I am aware of the IPR applicable to this draft, and it has already been
disclosed to the IETF.

I am aware of IPR applicable to this draft, but that has not yet been
disclosed to the IETF. I will work to ensure that it will be disclosed in a
timely manner.

Thanks,
- Hari

--000000000000ee162205b0f8b3c9
Content-Type: text/html; charset="UTF-8"
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D""><pre style=3D"whit=
e-space:pre-wrap;box-sizing:border-box;margin-top:0px;margin-bottom:1rem;ov=
erflow:auto;color:rgb(33,37,41);word-break:normal;padding:0px"><font face=
=3D"verdana, sans-serif" style=3D"">Hi Authors,

In preparation for WG LC on this draft, I&#39;d like all
authors and contributors to confirm on the list that they are in compliance
with IETF IPR rules.</font></pre><pre style=3D"white-space:pre-wrap;box-siz=
ing:border-box;margin-top:0px;margin-bottom:1rem;overflow:auto;color:rgb(33=
,37,41);word-break:normal;padding:0px"><font face=3D"verdana, sans-serif">W=
e are aware of this disclosure <a href=3D"https://datatracker.ietf.org/ipr/=
2995/">https://datatracker.ietf.org/ipr/2995/</a></font></pre><pre style=3D=
"white-space:pre-wrap;box-sizing:border-box;margin-top:0px;margin-bottom:1r=
em;overflow:auto;color:rgb(33,37,41);word-break:normal;padding:0px"><font f=
ace=3D"verdana, sans-serif" style=3D"">Please respond (copying the mailing =
list) to say one of:

I am not aware of any IPR applicable to this draft that should be disclosed
in accordance with IETF IPR rules.

I am aware of the IPR applicable to this draft, and it has already been
disclosed to the IETF.

I am aware of IPR applicable to this draft, but that has not yet been
disclosed to the IETF. I will work to ensure that it will be disclosed in a
timely manner.

Thanks,
- Hari</font></pre></div></div>

--000000000000ee162205b0f8b3c9--


From nobody Tue Oct  6 03:39:33 2020
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Subject: [Pce] [Technical Errata Reported] RFC8281 (6301)
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The following errata report has been submitted for RFC8281,
"Path Computation Element Communication Protocol (PCEP) Extensions for PCE-Initiated LSP Setup in a Stateful PCE Model".

--------------------------------------
You may review the report below and at:
https://www.rfc-editor.org/errata/eid6301

--------------------------------------
Type: Technical
Reported by: Samuel Sidor <ssidor@cisco.com>

Section: 5.1

Original Text
-------------
     <PCE-initiated-lsp-request> ::= (<PCE-initiated-lsp-instantiation>|
                                      <PCE-initiated-lsp-deletion>)

     <PCE-initiated-lsp-instantiation> ::= <SRP>
                                           <LSP>
                                           [<END-POINTS>]
                                           <ERO>
                                           [<attribute-list>]

     <PCE-initiated-lsp-deletion> ::= <SRP>
                                      <LSP>


Corrected Text
--------------
     <PCE-initiated-lsp-request> ::= (<PCE-initiated-lsp-instantiation>|
                                      <PCE-initiated-lsp-deletion-or-reclamation>)

     <PCE-initiated-lsp-instantiation> ::= <SRP>
                                           <LSP>
                                           [<END-POINTS>]
                                           <ERO>
                                           [<attribute-list>]

     <PCE-initiated-lsp-deletion-or-reclamation> ::= <SRP>
                                                     <LSP>


Notes
-----
Update needed to solve ambiguity for any extra object included after SRP and LSP objects in reclaim delegation request, which is coming from:

https://tools.ietf.org/html/rfc8281#section-6
A PCE (either the original or one of its backups) sends a PCInitiate
   message that includes just the SRP and LSP objects and carries the
   PLSP-ID of the LSP it wants to take control of.

Instructions:
-------------
This erratum is currently posted as "Reported". If necessary, please
use "Reply All" to discuss whether it should be verified or
rejected. When a decision is reached, the verifying party  
can log in to change the status and edit the report, if necessary. 

--------------------------------------
RFC8281 (draft-ietf-pce-pce-initiated-lsp-11)
--------------------------------------
Title               : Path Computation Element Communication Protocol (PCEP) Extensions for PCE-Initiated LSP Setup in a Stateful PCE Model
Publication Date    : December 2017
Author(s)           : E. Crabbe, I. Minei, S. Sivabalan, R. Varga
Category            : PROPOSED STANDARD
Source              : Path Computation Element
Area                : Routing
Stream              : IETF
Verifying Party     : IESG


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From: "Rakesh Gandhi (rgandhi)" <rgandhi@cisco.com>
To: Hariharan Ananthakrishnan <hari@netflix.com>, Colby Barth <cbarth@juniper.net>, "bin_wen@cable.comcast.com" <bin_wen@cable.comcast.com>
CC: "pce@ietf.org" <pce@ietf.org>
Thread-Topic: IPR Poll on draft-ietf-pce-association-bidir
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Subject: Re: [Pce] IPR Poll on draft-ietf-pce-association-bidir
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From: "Rakesh Gandhi (rgandhi)" <rgandhi@cisco.com>
To: Dhruv Dhody <dd@dhruvdhody.com>, "pce@ietf.org" <pce@ietf.org>
CC: "draft-ietf-pce-association-bidir@ietf.org" <draft-ietf-pce-association-bidir@ietf.org>, pce-chairs <pce-chairs@ietf.org>, Colby Barth <cbarth@juniper.net>, "bin_wen@cable.comcast.com" <bin_wen@cable.comcast.com>
Thread-Topic: WGLC for draft-ietf-pce-association-bidir
Thread-Index: AQHWmzt363cmKZ5dLkqynwL9CuyEfamKSq8A
Date: Tue, 6 Oct 2020 13:10:47 +0000
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From: Dhruv Dhody <dd@dhruvdhody.com>
Date: Tue, 6 Oct 2020 19:16:49 +0530
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Subject: Re: [Pce] [Technical Errata Reported] RFC8281 (6301)
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Hi WG,

Julien & I believe that the errata is correct and should be accepted,
as it aligns the RBNF with the text in the RFC. We will wait for a few
days before asking the AD to mark it as verified.

Thanks!
Dhruv & Julien

On Tue, Oct 6, 2020 at 4:06 PM RFC Errata System
<rfc-editor@rfc-editor.org> wrote:
>
> The following errata report has been submitted for RFC8281,
> "Path Computation Element Communication Protocol (PCEP) Extensions for PCE-Initiated LSP Setup in a Stateful PCE Model".
>
> --------------------------------------
> You may review the report below and at:
> https://www.rfc-editor.org/errata/eid6301
>
> --------------------------------------
> Type: Technical
> Reported by: Samuel Sidor <ssidor@cisco.com>
>
> Section: 5.1
>
> Original Text
> -------------
>      <PCE-initiated-lsp-request> ::= (<PCE-initiated-lsp-instantiation>|
>                                       <PCE-initiated-lsp-deletion>)
>
>      <PCE-initiated-lsp-instantiation> ::= <SRP>
>                                            <LSP>
>                                            [<END-POINTS>]
>                                            <ERO>
>                                            [<attribute-list>]
>
>      <PCE-initiated-lsp-deletion> ::= <SRP>
>                                       <LSP>
>
>
> Corrected Text
> --------------
>      <PCE-initiated-lsp-request> ::= (<PCE-initiated-lsp-instantiation>|
>                                       <PCE-initiated-lsp-deletion-or-reclamation>)
>
>      <PCE-initiated-lsp-instantiation> ::= <SRP>
>                                            <LSP>
>                                            [<END-POINTS>]
>                                            <ERO>
>                                            [<attribute-list>]
>
>      <PCE-initiated-lsp-deletion-or-reclamation> ::= <SRP>
>                                                      <LSP>
>
>
> Notes
> -----
> Update needed to solve ambiguity for any extra object included after SRP and LSP objects in reclaim delegation request, which is coming from:
>
> https://tools.ietf.org/html/rfc8281#section-6
> A PCE (either the original or one of its backups) sends a PCInitiate
>    message that includes just the SRP and LSP objects and carries the
>    PLSP-ID of the LSP it wants to take control of.
>
> Instructions:
> -------------
> This erratum is currently posted as "Reported". If necessary, please
> use "Reply All" to discuss whether it should be verified or
> rejected. When a decision is reached, the verifying party
> can log in to change the status and edit the report, if necessary.
>
> --------------------------------------
> RFC8281 (draft-ietf-pce-pce-initiated-lsp-11)
> --------------------------------------
> Title               : Path Computation Element Communication Protocol (PCEP) Extensions for PCE-Initiated LSP Setup in a Stateful PCE Model
> Publication Date    : December 2017
> Author(s)           : E. Crabbe, I. Minei, S. Sivabalan, R. Varga
> Category            : PROPOSED STANDARD
> Source              : Path Computation Element
> Area                : Routing
> Stream              : IETF
> Verifying Party     : IESG


From nobody Tue Oct  6 18:23:15 2020
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Subject: [Pce] I-D Action: draft-ietf-pce-association-policy-13.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Path Computation Element WG of the IETF.

        Title           : Path Computation Element (PCE) Communication Protocol (PCEP) extension for associating Policies and Label Switched Paths (LSPs)
        Authors         : Stephane Litkowski
                          Siva Sivabalan
                          Jeff Tantsura
                          Jonathan Hardwick
                          Mahendra Singh Negi
                          Cheng Li
	Filename        : draft-ietf-pce-association-policy-13.txt
	Pages           : 17
	Date            : 2020-10-06

Abstract:
   This document introduces a simple mechanism to associate policies to
   a group of Label Switched Paths (LSPs) via an extension to the Path
   Computation Element (PCE) Communication Protocol (PCEP).  The
   extension allows a PCEP speaker to advertise to a PCEP peer that a
   particular LSP belongs to a particular Policy Association Group.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-association-policy/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-pce-association-policy-13
https://datatracker.ietf.org/doc/html/draft-ietf-pce-association-policy-13

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-association-policy-13


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/



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From: Mahend Negi <mahend.ietf@gmail.com>
Date: Wed, 7 Oct 2020 06:56:21 +0530
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To: Hariharan Ananthakrishnan <hari@netflix.com>
Cc: slitkows@cisco.com, msiva282@gmail.com, jefftant.ietf@gmail.com,  Jonathan Hardwick <jonathan.hardwick@metaswitch.com>, c.l@huawei.com, pce@ietf.org
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Subject: Re: [Pce] Shepherd Review of draft-ietf-pce-association-policy-12
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Hi Hari,
Thanks for your comments, a new version of the draft is submitted.

Htmlized version:
https://datatracker.ietf.org/doc/html/draft-ietf-pce-association-policy-13

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-pce-association-policy-13

Regards,
Mahendra

On Sun, Oct 4, 2020 at 3:14 AM Hariharan Ananthakrishnan <hari@netflix.com>
wrote:

> Hi Authors,
>
>
> Please find the review comments below:
>
>
> Title
>
> OLD
>
> Path Communication Element (PCE) communication Protocol (PCEP) extension
> for associating Policies and Label Switched Paths (LSPs)
>
>
> NEW
>
> Path Communication Element (PCE) Communication Protocol (PCEP) extension
> for associating Policies and Label Switched Paths (LSPs)
>
>
> 1. Introduction
>
>
> OLD
>
> [RFC5440] describes the Path Computation Element communication
> Protocol(PCEP) which enables communication between a Path Computation
> Client(PCC) and a Path Control Element (PCE),
>
>
> NEW
>
> [RFC5440] describes the Path Computation Element Communication
> Protocol(PCEP) which enables communication between a Path Computation
> Client(PCC) and a Path Computation Element (PCE),
>
>
>
> 2. Terminology
>
>
> OLD
>
> PCC: Path Computation Client. Any client application requesting a  path
> computation to be performed by a Path Computation Element.
>
>
> NEW
>
> PCC:  Path Computation Client; any client application requesting a
>
>       path computation to be performed by a Path Computation Element.
>
>
> OLD
>
> PCE:  Path Computation Element.  An entity (component, application,
>
>       or network node) that is capable of computing a network path or
>
>       route based on a network graph and applying computational
>
>       constraints.
>
>
> NEW
>
> PCE:  Path Computation Element; an entity (component, application, or
>
>       network node) that is capable of computing a network path or route
>
>       based on a network graph and applying computational constraints.
>
>
> 3. Motivation
>
> OLD
>
> Similarly, a PCC could request a user- or service-specific policy
>
>
> NEW
>
> Similarly, a  PCC could request a user-specific or service-specific polic=
y
>
>
> 3.1 Policy based Constraints
>
> OLD
>
> In the context of policy-enabled path computation [RFC5394], path
> computation policies may be applied at both a PCC and a PCE.
>
>
> NEW
>
> In the context of Policy-Enabled Path Computation Framework [RFC5394],
> path computation policies may be applied at either a PCC or a PCE or both=
.
>
>
> OLD
>
> The PCC may also apply user- or service-specific policies to decide
>
>
> NEW
>
> The PCC may also apply user-specific or service-specific policies to deci=
de
>
>
>
> OLD
>
> The user- or service-specific policies applied to PCC and are passed to
> the PCE along with the Path computation request, in the form of constrain=
ts
> [RFC5394]
>
>
> NEW
>
> The user-specific or service-specific policies applied to PCC are passed
> to the PCE along with the path computation request, in the form of
> constraints [RFC5394]
>
>
>
> 4. Overview
>
> OLD
>
> This document defines a new Association type, called =E2=80=9CPolicy Asso=
ciation=E2=80=9D
> (TBD1), based on the generic ASSOCIATION object.
>
>
> NEW
>
> This document defines a new association type, called =E2=80=9CPolicy Asso=
ciation=E2=80=9D
> of value 3, based on the generic ASSOCIATION object.
>
>
> OLD
>
> This capability exchange for the PAT (TBD1) MUST be done before using the
> policy association.
>
>
> NEW
>
> This capability exchange for the PAT MUST be done before using the policy
> association.
>
>
> OLD
>
> Thus the PCEP speaker MUST include the PAT (TBD1) in the ASSOC-Type-List
> TLV
>
>
> NEW
>
> Thus the PCEP speaker MUST include the PAT in the ASSOC-Type-List TLV
>
>
> 5.1. Policy Parameters TLV
>
>
> OLD
>
>
>        0                   1                   2                   3
>
>        0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
>
>       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>
>       |         Type=3DTBD2             |          Length               |
>
>       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>
>
> NEW
>
>
>        0                   1                   2                   3
>
>        0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
>
>       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>
>       |         Type=3D48               |          Length               |
>
>       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>
>
>
>
> OLD
>
> The type of the POLICY-PARAMETERS-TLV is TBD2
>
>
> NEW
>
> The type of the POLICY-PARAMETERS-TLV is 48
>
>
> Thanks,
>
> Hari
>
>
>

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<div dir=3D"ltr"><div>Hi Hari,</div><div>Thanks for your comments, a new ve=
rsion of the draft is submitted.</div><div><br></div><div>Htmlized version:=
<br></div><div><a href=3D"https://datatracker.ietf.org/doc/html/draft-ietf-=
pce-association-policy-13" rel=3D"noreferrer" target=3D"_blank">https://dat=
atracker.ietf.org/doc/html/draft-ietf-pce-association-policy-13</a><br>
<br>
A diff from the previous version is available at:<br>
<a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-pce-association-p=
olicy-13" rel=3D"noreferrer" target=3D"_blank">https://www.ietf.org/rfcdiff=
?url2=3Ddraft-ietf-pce-association-policy-13</a></div><div><br></div><div>R=
egards,</div><div>Mahendra<br></div><br><div class=3D"gmail_quote"><div dir=
=3D"ltr" class=3D"gmail_attr">On Sun, Oct 4, 2020 at 3:14 AM Hariharan Anan=
thakrishnan &lt;<a href=3D"mailto:hari@netflix.com" target=3D"_blank">hari@=
netflix.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=
=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding=
-left:1ex"><div dir=3D"ltr"><div style=3D"font-family:verdana,sans-serif">





<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">Hi Autho=
rs,</p><p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east=
-asian:normal;font-stretch:normal;line-height:normal;font-family:Verdana"><=
br></p><p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east=
-asian:normal;font-stretch:normal;line-height:normal;font-family:Verdana">P=
lease find the review comments=C2=A0below:</p><p style=3D"margin:0px;font-v=
ariant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;li=
ne-height:normal;font-family:Verdana"><br></p><p style=3D"margin:0px;font-v=
ariant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;li=
ne-height:normal;font-family:Verdana">Title</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">Path Com=
munication Element (PCE) communication Protocol (PCEP) extension for associ=
ating Policies and Label Switched Paths (LSPs)<span>=C2=A0</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">Path Com=
munication Element (PCE) Communication Protocol (PCEP) extension for associ=
ating Policies and Label Switched Paths (LSPs)</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">1. Intro=
duction</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">[RFC5440=
] describes the Path Computation Element communication Protocol(PCEP) which=
 enables communication between a Path Computation Client(PCC) and a Path Co=
ntrol Element (PCE),</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">[RFC5440=
] describes the Path Computation Element Communication Protocol(PCEP) which=
 enables communication between a Path Computation Client(PCC) and a Path Co=
mputation Element (PCE),</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">2. Termi=
nology</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">PCC: Pat=
h Computation Client. Any client application requesting a<span>=C2=A0 </spa=
n>path computation to be performed by a Path Computation Element.</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0)"><span style=3D"font-kerning:none">PCC:<span>=C2=A0 </span>Path Com=
putation Client; any client application requesting a</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0)"><span style=3D"font-kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </spa=
n>path computation to be performed by a Path Computation Element.</span></p=
>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-kerning:none=
">PCE:<span>=C2=A0 </span>Path Computation Element.<span>=C2=A0 </span>An e=
ntity (component, application,</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-kerning:none=
"><span>=C2=A0 =C2=A0 =C2=A0 </span>or network node) that is capable of com=
puting a network path or</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-kerning:none=
"><span>=C2=A0 =C2=A0 =C2=A0 </span>route based on a network graph and appl=
ying computational</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-kerning:none=
"><span>=C2=A0 =C2=A0 =C2=A0 </span>constraints.</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0)"><span style=3D"font-kerning:none">PCE:<span>=C2=A0 </span>Path Com=
putation Element; an entity (component, application, or</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0)"><span style=3D"font-kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </spa=
n>network node) that is capable of computing a network path or route</span>=
</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0)"><span style=3D"font-kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </spa=
n>based on a network graph and applying computational constraints.</span></=
p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">3. Motiv=
ation</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">Similarl=
y, a PCC could request a user- or service-specific policy</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">Similarl=
y, a<span>=C2=A0 </span>PCC could request a user-specific or service-specif=
ic policy</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">3.1 Poli=
cy based Constraints</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">In the c=
ontext of policy-enabled path computation [RFC5394], path computation polic=
ies may be applied at both a PCC and a PCE.</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">In the c=
ontext of Policy-Enabled Path Computation Framework [RFC5394], path computa=
tion policies may be applied at either a PCC or a PCE or both.</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">The PCC =
may also apply user- or service-specific policies to decide</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">The PCC =
may also apply user-specific or service-specific policies to decide</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD<span=
>=C2=A0</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">The user=
- or service-specific policies applied to PCC and are passed to the PCE alo=
ng with the Path computation request, in the form of constraints [RFC5394]<=
/p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">The user=
-specific or service-specific policies applied to PCC are passed to the PCE=
 along with the path computation request, in the form of constraints [RFC53=
94]</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">4. Overv=
iew</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">This doc=
ument defines a new Association type, called =E2=80=9CPolicy Association=E2=
=80=9D (TBD1), based on the generic ASSOCIATION object.</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">This doc=
ument defines a new association type, called =E2=80=9CPolicy Association=E2=
=80=9D of value 3, based on the generic ASSOCIATION object.</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">This cap=
ability exchange for the PAT (TBD1) MUST be done before using the policy as=
sociation.<span>=C2=A0</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">This cap=
ability exchange for the PAT MUST be done before using the policy associati=
on.</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">Thus the=
 PCEP speaker MUST include the PAT (TBD1) in the ASSOC-Type-List TLV</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">Thus the=
 PCEP speaker MUST include the PAT in the ASSOC-Type-List TLV</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">5.1. Pol=
icy Parameters TLV</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242);min-height:15px"><spa=
n style=3D"font-kerning:none"></span><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0=C2=A0 =C2=A0 =C2=A0 </span>0 <span>=C2=A0 =C2=A0=
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>1 <span>=C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>2 <span>=C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>3</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0=C2=A0 =C2=A0 =C2=A0 </span>0 1 2 3 4 5 6 7 8 9 0=
 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </span>+-+-+-+-+-+-+-+-+-+-+-+-+-+=
-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </span>| <span>=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 </span>Type=3DTBD2 <span>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 </span>|<span>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>Length <span>=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>|</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </span>+-+-+-+-+-+-+-+-+-+-+-+-+-+=
-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242);min-height:15px"><spa=
n style=3D"font-kerning:none"></span><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0=C2=A0 =C2=A0 =C2=A0 </span>0 <span>=C2=A0 =C2=A0=
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>1 <span>=C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>2 <span>=C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>3</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0=C2=A0 =C2=A0 =C2=A0 </span>0 1 2 3 4 5 6 7 8 9 0=
 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </span>+-+-+-+-+-+-+-+-+-+-+-+-+-+=
-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </span>| <span>=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 </span>Type=3D48 <span>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
 =C2=A0 </span>|<span>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>Length <spa=
n>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>|</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </span>+-+-+-+-+-+-+-+-+-+-+-+-+-+=
-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><span>=C2=A0</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">The type=
 of the POLICY-PARAMETERS-TLV is TBD2</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">The type=
 of the POLICY-PARAMETERS-TLV is 48</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p><p style=3D"margin:0px;font-variant-numeric:normal;font-var=
iant-east-asian:normal;font-stretch:normal;line-height:normal;font-family:V=
erdana;min-height:15px">Thanks,</p><p style=3D"margin:0px;font-variant-nume=
ric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:n=
ormal;font-family:Verdana;min-height:15px">Hari</p>
<p style=3D"font-size:12px;margin:0px;font-variant-numeric:normal;font-vari=
ant-east-asian:normal;font-stretch:normal;line-height:normal;font-family:Ve=
rdana;min-height:15px"><br></p></div></div>
</blockquote></div></div>

--00000000000010d40c05b10a9b98--


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Subject: [Pce] Publication has been requested for draft-ietf-pce-association-policy-13
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Dhruv Dhody has requested publication of draft-ietf-pce-association-policy-13 as Proposed Standard on behalf of the PCE working group.

Please verify the document's state at https://datatracker.ietf.org/doc/draft-ietf-pce-association-policy/



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From: Hariharan Ananthakrishnan <hari@netflix.com>
Date: Wed, 7 Oct 2020 08:48:49 -0700
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To: Mahend Negi <mahend.ietf@gmail.com>
Cc: slitkows@cisco.com, msiva282@gmail.com, jefftant.ietf@gmail.com,  Jonathan Hardwick <jonathan.hardwick@metaswitch.com>, c.l@huawei.com, pce@ietf.org
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Subject: Re: [Pce] Shepherd Review of draft-ietf-pce-association-policy-12
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Thanks for addressing the comments.

- Hari

On Tue, Oct 6, 2020 at 6:26 PM Mahend Negi <mahend.ietf@gmail.com> wrote:

> Hi Hari,
> Thanks for your comments, a new version of the draft is submitted.
>
> Htmlized version:
> https://datatracker.ietf.org/doc/html/draft-ietf-pce-association-policy-1=
3
>
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-pce-association-policy-13
>
> Regards,
> Mahendra
>
> On Sun, Oct 4, 2020 at 3:14 AM Hariharan Ananthakrishnan <hari@netflix.co=
m>
> wrote:
>
>> Hi Authors,
>>
>>
>> Please find the review comments below:
>>
>>
>> Title
>>
>> OLD
>>
>> Path Communication Element (PCE) communication Protocol (PCEP) extension
>> for associating Policies and Label Switched Paths (LSPs)
>>
>>
>> NEW
>>
>> Path Communication Element (PCE) Communication Protocol (PCEP) extension
>> for associating Policies and Label Switched Paths (LSPs)
>>
>>
>> 1. Introduction
>>
>>
>> OLD
>>
>> [RFC5440] describes the Path Computation Element communication
>> Protocol(PCEP) which enables communication between a Path Computation
>> Client(PCC) and a Path Control Element (PCE),
>>
>>
>> NEW
>>
>> [RFC5440] describes the Path Computation Element Communication
>> Protocol(PCEP) which enables communication between a Path Computation
>> Client(PCC) and a Path Computation Element (PCE),
>>
>>
>>
>> 2. Terminology
>>
>>
>> OLD
>>
>> PCC: Path Computation Client. Any client application requesting a  path
>> computation to be performed by a Path Computation Element.
>>
>>
>> NEW
>>
>> PCC:  Path Computation Client; any client application requesting a
>>
>>       path computation to be performed by a Path Computation Element.
>>
>>
>> OLD
>>
>> PCE:  Path Computation Element.  An entity (component, application,
>>
>>       or network node) that is capable of computing a network path or
>>
>>       route based on a network graph and applying computational
>>
>>       constraints.
>>
>>
>> NEW
>>
>> PCE:  Path Computation Element; an entity (component, application, or
>>
>>       network node) that is capable of computing a network path or route
>>
>>       based on a network graph and applying computational constraints.
>>
>>
>> 3. Motivation
>>
>> OLD
>>
>> Similarly, a PCC could request a user- or service-specific policy
>>
>>
>> NEW
>>
>> Similarly, a  PCC could request a user-specific or service-specific
>> policy
>>
>>
>> 3.1 Policy based Constraints
>>
>> OLD
>>
>> In the context of policy-enabled path computation [RFC5394], path
>> computation policies may be applied at both a PCC and a PCE.
>>
>>
>> NEW
>>
>> In the context of Policy-Enabled Path Computation Framework [RFC5394],
>> path computation policies may be applied at either a PCC or a PCE or bot=
h.
>>
>>
>> OLD
>>
>> The PCC may also apply user- or service-specific policies to decide
>>
>>
>> NEW
>>
>> The PCC may also apply user-specific or service-specific policies to
>> decide
>>
>>
>>
>> OLD
>>
>> The user- or service-specific policies applied to PCC and are passed to
>> the PCE along with the Path computation request, in the form of constrai=
nts
>> [RFC5394]
>>
>>
>> NEW
>>
>> The user-specific or service-specific policies applied to PCC are passed
>> to the PCE along with the path computation request, in the form of
>> constraints [RFC5394]
>>
>>
>>
>> 4. Overview
>>
>> OLD
>>
>> This document defines a new Association type, called =E2=80=9CPolicy Ass=
ociation=E2=80=9D
>> (TBD1), based on the generic ASSOCIATION object.
>>
>>
>> NEW
>>
>> This document defines a new association type, called =E2=80=9CPolicy Ass=
ociation=E2=80=9D
>> of value 3, based on the generic ASSOCIATION object.
>>
>>
>> OLD
>>
>> This capability exchange for the PAT (TBD1) MUST be done before using th=
e
>> policy association.
>>
>>
>> NEW
>>
>> This capability exchange for the PAT MUST be done before using the polic=
y
>> association.
>>
>>
>> OLD
>>
>> Thus the PCEP speaker MUST include the PAT (TBD1) in the ASSOC-Type-List
>> TLV
>>
>>
>> NEW
>>
>> Thus the PCEP speaker MUST include the PAT in the ASSOC-Type-List TLV
>>
>>
>> 5.1. Policy Parameters TLV
>>
>>
>> OLD
>>
>>
>>        0                   1                   2                   3
>>
>>        0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
>>
>>       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>>
>>       |         Type=3DTBD2             |          Length               =
|
>>
>>       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>>
>>
>> NEW
>>
>>
>>        0                   1                   2                   3
>>
>>        0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
>>
>>       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>>
>>       |         Type=3D48               |          Length               =
|
>>
>>       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>>
>>
>>
>>
>> OLD
>>
>> The type of the POLICY-PARAMETERS-TLV is TBD2
>>
>>
>> NEW
>>
>> The type of the POLICY-PARAMETERS-TLV is 48
>>
>>
>> Thanks,
>>
>> Hari
>>
>>
>>

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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:verdana,=
sans-serif;font-size:small">Thanks for addressing the comments.</div><div c=
lass=3D"gmail_default" style=3D"font-family:verdana,sans-serif;font-size:sm=
all"><br></div><div class=3D"gmail_default" style=3D"font-family:verdana,sa=
ns-serif;font-size:small">- Hari</div></div><br><div class=3D"gmail_quote">=
<div dir=3D"ltr" class=3D"gmail_attr">On Tue, Oct 6, 2020 at 6:26 PM Mahend=
 Negi &lt;<a href=3D"mailto:mahend.ietf@gmail.com">mahend.ietf@gmail.com</a=
>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px=
 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><di=
v dir=3D"ltr"><div>Hi Hari,</div><div>Thanks for your comments, a new versi=
on of the draft is submitted.</div><div><br></div><div>Htmlized version:<br=
></div><div><a href=3D"https://datatracker.ietf.org/doc/html/draft-ietf-pce=
-association-policy-13" rel=3D"noreferrer" target=3D"_blank">https://datatr=
acker.ietf.org/doc/html/draft-ietf-pce-association-policy-13</a><br>
<br>
A diff from the previous version is available at:<br>
<a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-pce-association-p=
olicy-13" rel=3D"noreferrer" target=3D"_blank">https://www.ietf.org/rfcdiff=
?url2=3Ddraft-ietf-pce-association-policy-13</a></div><div><br></div><div>R=
egards,</div><div>Mahendra<br></div><br><div class=3D"gmail_quote"><div dir=
=3D"ltr" class=3D"gmail_attr">On Sun, Oct 4, 2020 at 3:14 AM Hariharan Anan=
thakrishnan &lt;<a href=3D"mailto:hari@netflix.com" target=3D"_blank">hari@=
netflix.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=
=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding=
-left:1ex"><div dir=3D"ltr"><div style=3D"font-family:verdana,sans-serif">





<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">Hi Autho=
rs,</p><p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east=
-asian:normal;font-stretch:normal;line-height:normal;font-family:Verdana"><=
br></p><p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east=
-asian:normal;font-stretch:normal;line-height:normal;font-family:Verdana">P=
lease find the review comments=C2=A0below:</p><p style=3D"margin:0px;font-v=
ariant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;li=
ne-height:normal;font-family:Verdana"><br></p><p style=3D"margin:0px;font-v=
ariant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;li=
ne-height:normal;font-family:Verdana">Title</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">Path Com=
munication Element (PCE) communication Protocol (PCEP) extension for associ=
ating Policies and Label Switched Paths (LSPs)<span>=C2=A0</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">Path Com=
munication Element (PCE) Communication Protocol (PCEP) extension for associ=
ating Policies and Label Switched Paths (LSPs)</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">1. Intro=
duction</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">[RFC5440=
] describes the Path Computation Element communication Protocol(PCEP) which=
 enables communication between a Path Computation Client(PCC) and a Path Co=
ntrol Element (PCE),</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">[RFC5440=
] describes the Path Computation Element Communication Protocol(PCEP) which=
 enables communication between a Path Computation Client(PCC) and a Path Co=
mputation Element (PCE),</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">2. Termi=
nology</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">PCC: Pat=
h Computation Client. Any client application requesting a<span>=C2=A0 </spa=
n>path computation to be performed by a Path Computation Element.</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0)"><span style=3D"font-kerning:none">PCC:<span>=C2=A0 </span>Path Com=
putation Client; any client application requesting a</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0)"><span style=3D"font-kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </spa=
n>path computation to be performed by a Path Computation Element.</span></p=
>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-kerning:none=
">PCE:<span>=C2=A0 </span>Path Computation Element.<span>=C2=A0 </span>An e=
ntity (component, application,</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-kerning:none=
"><span>=C2=A0 =C2=A0 =C2=A0 </span>or network node) that is capable of com=
puting a network path or</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-kerning:none=
"><span>=C2=A0 =C2=A0 =C2=A0 </span>route based on a network graph and appl=
ying computational</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-kerning:none=
"><span>=C2=A0 =C2=A0 =C2=A0 </span>constraints.</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0)"><span style=3D"font-kerning:none">PCE:<span>=C2=A0 </span>Path Com=
putation Element; an entity (component, application, or</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0)"><span style=3D"font-kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </spa=
n>network node) that is capable of computing a network path or route</span>=
</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;color:rgb=
(0,0,0)"><span style=3D"font-kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </spa=
n>based on a network graph and applying computational constraints.</span></=
p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">3. Motiv=
ation</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">Similarl=
y, a PCC could request a user- or service-specific policy</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">Similarl=
y, a<span>=C2=A0 </span>PCC could request a user-specific or service-specif=
ic policy</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">3.1 Poli=
cy based Constraints</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">In the c=
ontext of policy-enabled path computation [RFC5394], path computation polic=
ies may be applied at both a PCC and a PCE.</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">In the c=
ontext of Policy-Enabled Path Computation Framework [RFC5394], path computa=
tion policies may be applied at either a PCC or a PCE or both.</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">The PCC =
may also apply user- or service-specific policies to decide</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">The PCC =
may also apply user-specific or service-specific policies to decide</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD<span=
>=C2=A0</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">The user=
- or service-specific policies applied to PCC and are passed to the PCE alo=
ng with the Path computation request, in the form of constraints [RFC5394]<=
/p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">The user=
-specific or service-specific policies applied to PCC are passed to the PCE=
 along with the path computation request, in the form of constraints [RFC53=
94]</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">4. Overv=
iew</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">This doc=
ument defines a new Association type, called =E2=80=9CPolicy Association=E2=
=80=9D (TBD1), based on the generic ASSOCIATION object.</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">This doc=
ument defines a new association type, called =E2=80=9CPolicy Association=E2=
=80=9D of value 3, based on the generic ASSOCIATION object.</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">This cap=
ability exchange for the PAT (TBD1) MUST be done before using the policy as=
sociation.<span>=C2=A0</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">This cap=
ability exchange for the PAT MUST be done before using the policy associati=
on.</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">Thus the=
 PCEP speaker MUST include the PAT (TBD1) in the ASSOC-Type-List TLV</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">Thus the=
 PCEP speaker MUST include the PAT in the ASSOC-Type-List TLV</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">5.1. Pol=
icy Parameters TLV</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242);min-height:15px"><spa=
n style=3D"font-kerning:none"></span><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0=C2=A0 =C2=A0 =C2=A0 </span>0 <span>=C2=A0 =C2=A0=
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>1 <span>=C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>2 <span>=C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>3</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0=C2=A0 =C2=A0 =C2=A0 </span>0 1 2 3 4 5 6 7 8 9 0=
 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </span>+-+-+-+-+-+-+-+-+-+-+-+-+-+=
-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </span>| <span>=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 </span>Type=3DTBD2 <span>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 </span>|<span>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>Length <span>=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>|</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </span>+-+-+-+-+-+-+-+-+-+-+-+-+-+=
-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242);min-height:15px"><spa=
n style=3D"font-kerning:none"></span><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0=C2=A0 =C2=A0 =C2=A0 </span>0 <span>=C2=A0 =C2=A0=
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>1 <span>=C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>2 <span>=C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>3</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0=C2=A0 =C2=A0 =C2=A0 </span>0 1 2 3 4 5 6 7 8 9 0=
 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </span>+-+-+-+-+-+-+-+-+-+-+-+-+-+=
-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </span>| <span>=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 </span>Type=3D48 <span>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
 =C2=A0 </span>|<span>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>Length <spa=
n>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 </span>|</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:&quot;PT Mono&quo=
t;;color:rgb(0,0,0);background-color:rgb(255,253,242)"><span style=3D"font-=
kerning:none"><span>=C2=A0 =C2=A0 =C2=A0 </span>+-+-+-+-+-+-+-+-+-+-+-+-+-+=
-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><span>=C2=A0</span></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">OLD</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">The type=
 of the POLICY-PARAMETERS-TLV is TBD2</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">NEW</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana">The type=
 of the POLICY-PARAMETERS-TLV is 48</p>
<p style=3D"margin:0px;font-variant-numeric:normal;font-variant-east-asian:=
normal;font-stretch:normal;line-height:normal;font-family:Verdana;min-heigh=
t:15px"><br></p><p style=3D"margin:0px;font-variant-numeric:normal;font-var=
iant-east-asian:normal;font-stretch:normal;line-height:normal;font-family:V=
erdana;min-height:15px">Thanks,</p><p style=3D"margin:0px;font-variant-nume=
ric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:n=
ormal;font-family:Verdana;min-height:15px">Hari</p>
<p style=3D"font-size:12px;margin:0px;font-variant-numeric:normal;font-vari=
ant-east-asian:normal;font-stretch:normal;line-height:normal;font-family:Ve=
rdana;min-height:15px"><br></p></div></div>
</blockquote></div></div>
</blockquote></div>

--0000000000007f5f9a05b116a70c--


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To: adrian@olddog.co.uk, Alvaro Retana <alvaro.retana@futurewei.com>,  Benjamin Kaduk <kaduk@mit.edu>
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Subject: Re: [Pce] FW: I-D Action: draft-ietf-pce-pcep-flowspec-11.txt
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Hi Adrian!

I looked at the diffs and I=E2=80=99m happy with the changes.  I=E2=80=99m =
clearing.

Thanks!

Alvaro.

On October 5, 2020 at 10:35:22 AM, Adrian Farrel (adrian@olddog.co.uk)
wrote:

Alvaro and Ben,

Very sorry for delaying this progress so much and possibly causing your
cache not only to be flushed, but the archive tapes sent to the fire-vault
in Utah.

The last issue you had remaining was that 5575bis has removed the
possibility of multiple Flow Specification components of the same type
being
present in one flow specification. We have aligned with this with two
changes:
- Added text to Section 7 saying:
As described in [I-D.ietf-idr-rfc5575bis]
where it says "A given component type MAY (exactly once) be present
in the Flow Specification," a Flow Filter TLV MUST NOT contain more
than one Flow Specification TLV of the same type: an implementation
that receives a PCEP message with a Flow Filter TLV that contains more
than one Flow Specification TLV of the same type MUST respond with a
PCErr message with error-type TBD8 (FlowSpec Error), error-value 2
(Malformed FlowSpec) and MUST NOT install the Flow Specification.
- Section 8.4 has been rewritten to mainly say "use separate Flow
Specification Objects for separate flow specifications"

This -11 revision picks up all other outstanding comments and nits.

Best,
Adrian

-----Original Message-----
From: I-D-Announce <i-d-announce-bounces@ietf.org> On Behalf Of
internet-drafts@ietf.org
Sent: 05 October 2020 15:27
To: i-d-announce@ietf.org
Cc: pce@ietf.org
Subject: I-D Action: draft-ietf-pce-pcep-flowspec-11.txt


A New Internet-Draft is available from the on-line Internet-Drafts
directories.
This draft is a work item of the Path Computation Element WG of the IETF.

Title : PCEP Extension for Flow Specification
Authors : Dhruv Dhody
Adrian Farrel
Zhenbin Li
Filename : draft-ietf-pce-pcep-flowspec-11.txt
Pages : 37
Date : 2020-10-05

Abstract:
The Path Computation Element (PCE) is a functional component capable
of selecting paths through a traffic engineering network. These
paths may be supplied in response to requests for computation, or may
be unsolicited requests issued by the PCE to network elements. Both
approaches use the PCE Communication Protocol (PCEP) to convey the
details of the computed path.

Traffic flows may be categorized and described using "Flow
Specifications". RFC XXXX defines the Flow Specification and
describes how Flow Specification Components are used to describe
traffic flows. RFC XXXX also defines how Flow Specifications may be
distributed in BGP to allow specific traffic flows to be associated
with routes.

This document specifies a set of extensions to PCEP to support
dissemination of Flow Specifications. This allows a PCE to indicate
what traffic should be placed on each path that it is aware of.

The extensions defined in this document include the creation, update,
and withdrawal of Flow Specifications via PCEP, and can be applied to
tunnels initiated by the PCE or to tunnels where control is delegated
to the PCE by the PCC. Furthermore, a PCC requesting a new path can
include Flow Specifications in the request to indicate the purpose of
the tunnel allowing the PCE to factor this into the path computation.

RFC Editor Note: Please replace XXXX in the Abstract with the RFC
number assigned to draft-ietf-idr-rfc5575bis when it is published.
Please remove this note.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-flowspec/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-pce-pcep-flowspec-11
https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-flowspec-11

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-pce-pcep-flowspec-11


Please note that it may take a couple of minutes from the time of
submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


_______________________________________________
I-D-Announce mailing list
I-D-Announce@ietf.org
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

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<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style>=
</head><body style=3D"word-wrap:break-word"><div style=3D"font-family:Helve=
tica,Arial;font-size:13px">Hi Adrian!</div><div style=3D"font-family:Helvet=
ica,Arial;font-size:13px"><br></div><div style=3D"font-family:Helvetica,Ari=
al;font-size:13px">I looked at the diffs and I=E2=80=99m happy with the cha=
nges.=C2=A0 I=E2=80=99m clearing.</div><div style=3D"font-family:Helvetica,=
Arial;font-size:13px"><br></div><div style=3D"font-family:Helvetica,Arial;f=
ont-size:13px">Thanks!</div><div style=3D"font-family:Helvetica,Arial;font-=
size:13px"><br></div><div style=3D"font-family:Helvetica,Arial;font-size:13=
px">Alvaro.</div> <br><p class=3D"airmail_on">On October 5, 2020 at 10:35:2=
2 AM, Adrian Farrel (<a href=3D"mailto:adrian@olddog.co.uk">adrian@olddog.c=
o.uk</a>) wrote:</p> <blockquote type=3D"cite" class=3D"clean_bq"><span><di=
v><div></div><div>Alvaro and Ben,
<br>
<br>Very sorry for delaying this progress so much and possibly causing your
<br>cache not only to be flushed, but the archive tapes sent to the fire-va=
ult
<br>in Utah.
<br>
<br>The last issue you had remaining was that 5575bis has removed the
<br>possibility of multiple Flow Specification components of the same type =
being
<br>present in one flow specification. We have aligned with this with two
<br>changes:
<br>- Added text to Section 7 saying:
<br>   As described in [I-D.ietf-idr-rfc5575bis]
<br>   where it says &quot;A given component type MAY (exactly once) be pre=
sent
<br>   in the Flow Specification,&quot; a Flow Filter TLV MUST NOT contain =
more
<br>   than one Flow Specification TLV of the same type: an implementation
<br>   that receives a PCEP message with a Flow Filter TLV that contains mo=
re
<br>   than one Flow Specification TLV of the same type MUST respond with a
<br>   PCErr message with error-type TBD8 (FlowSpec Error), error-value 2
<br>   (Malformed FlowSpec) and MUST NOT install the Flow Specification.
<br>- Section 8.4 has been rewritten to mainly say &quot;use separate Flow =
=20
<br>  Specification Objects for separate flow specifications&quot;
<br>
<br>This -11 revision picks up all other outstanding comments and nits.
<br>
<br>Best,
<br>Adrian
<br>
<br>-----Original Message-----
<br>From: I-D-Announce &lt;<a href=3D"mailto:i-d-announce-bounces@ietf.org"=
>i-d-announce-bounces@ietf.org</a>&gt; On Behalf Of
<br><a href=3D"mailto:internet-drafts@ietf.org">internet-drafts@ietf.org</a=
>
<br>Sent: 05 October 2020 15:27
<br>To: <a href=3D"mailto:i-d-announce@ietf.org">i-d-announce@ietf.org</a>
<br>Cc: <a href=3D"mailto:pce@ietf.org">pce@ietf.org</a>
<br>Subject: I-D Action: draft-ietf-pce-pcep-flowspec-11.txt
<br>
<br>
<br>A New Internet-Draft is available from the on-line Internet-Drafts
<br>directories.
<br>This draft is a work item of the Path Computation Element WG of the IET=
F.
<br>
<br>        Title           : PCEP Extension for Flow Specification
<br>        Authors         : Dhruv Dhody
<br>                          Adrian Farrel
<br>                          Zhenbin Li
<br>	Filename        : draft-ietf-pce-pcep-flowspec-11.txt
<br>	Pages           : 37
<br>	Date            : 2020-10-05
<br>
<br>Abstract:
<br>   The Path Computation Element (PCE) is a functional component capable
<br>   of selecting paths through a traffic engineering network.  These
<br>   paths may be supplied in response to requests for computation, or ma=
y
<br>   be unsolicited requests issued by the PCE to network elements.  Both
<br>   approaches use the PCE Communication Protocol (PCEP) to convey the
<br>   details of the computed path.
<br>
<br>   Traffic flows may be categorized and described using &quot;Flow
<br>   Specifications&quot;.  RFC XXXX defines the Flow Specification and
<br>   describes how Flow Specification Components are used to describe
<br>   traffic flows.  RFC XXXX also defines how Flow Specifications may be
<br>   distributed in BGP to allow specific traffic flows to be associated
<br>   with routes.
<br>
<br>   This document specifies a set of extensions to PCEP to support
<br>   dissemination of Flow Specifications.  This allows a PCE to indicate
<br>   what traffic should be placed on each path that it is aware of.
<br>
<br>   The extensions defined in this document include the creation, update=
,
<br>   and withdrawal of Flow Specifications via PCEP, and can be applied t=
o
<br>   tunnels initiated by the PCE or to tunnels where control is delegate=
d
<br>   to the PCE by the PCC.  Furthermore, a PCC requesting a new path can
<br>   include Flow Specifications in the request to indicate the purpose o=
f
<br>   the tunnel allowing the PCE to factor this into the path computation=
.
<br>
<br>   RFC Editor Note: Please replace XXXX in the Abstract with the RFC
<br>   number assigned to draft-ietf-idr-rfc5575bis when it is published.
<br>   Please remove this note.
<br>
<br>
<br>The IETF datatracker status page for this draft is:
<br><a href=3D"https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-flowspe=
c/">https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-flowspec/</a>
<br>
<br>There are also htmlized versions available at:
<br><a href=3D"https://tools.ietf.org/html/draft-ietf-pce-pcep-flowspec-11"=
>https://tools.ietf.org/html/draft-ietf-pce-pcep-flowspec-11</a>
<br><a href=3D"https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-fl=
owspec-11">https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-flowsp=
ec-11</a>
<br>
<br>A diff from the previous version is available at:
<br><a href=3D"https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-pce-pcep-flow=
spec-11">https://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-pce-pcep-flowspec-1=
1</a>
<br>
<br>
<br>Please note that it may take a couple of minutes from the time of submi=
ssion
<br>until the htmlized version and diff are available at <a href=3D"http://=
tools.ietf.org">tools.ietf.org</a>.
<br>
<br>Internet-Drafts are also available by anonymous FTP at:
<br><a href=3D"ftp://ftp.ietf.org/internet-drafts/">ftp://ftp.ietf.org/inte=
rnet-drafts/</a>
<br>
<br>
<br>_______________________________________________
<br>I-D-Announce mailing list
<br><a href=3D"mailto:I-D-Announce@ietf.org">I-D-Announce@ietf.org</a>
<br><a href=3D"https://www.ietf.org/mailman/listinfo/i-d-announce">https://=
www.ietf.org/mailman/listinfo/i-d-announce</a>
<br>Internet-Draft directories: <a href=3D"http://www.ietf.org/shadow.html"=
>http://www.ietf.org/shadow.html</a>
<br>or <a href=3D"ftp://ftp.ietf.org/ietf/1shadow-sites.txt">ftp://ftp.ietf=
.org/ietf/1shadow-sites.txt</a>
<br>
<br></div></div></span></blockquote> <div class=3D"gmail_signature"></div><=
/body></html>

--000000000000ba77c705b11b71e4--


From nobody Wed Oct  7 14:45:53 2020
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Date: Wed, 7 Oct 2020 14:45:41 -0700
From: Benjamin Kaduk <kaduk@mit.edu>
To: adrian@olddog.co.uk
Cc: Alvaro Retana <alvaro.retana@futurewei.com>, pce@ietf.org, draft-ietf-pce-pcep-flowspec.all@ietf.org, Alvaro Retana <aretana.ietf@gmail.com>
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Subject: Re: [Pce] FW: I-D Action: draft-ietf-pce-pcep-flowspec-11.txt
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Sadly it will probably be a bit of a wait before I can do the same -- I've
got a few other documents in front of this on my todo list; might be a week
or two.  (Reminders and/or requests to reprioritize are, of course,
welcome.)

-Ben

On Wed, Oct 07, 2020 at 11:31:52PM +0200, Alvaro Retana wrote:
> Hi Adrian!
> 
> I looked at the diffs and I’m happy with the changes.  I’m clearing.
> 
> Thanks!
> 
> Alvaro.
> 
> On October 5, 2020 at 10:35:22 AM, Adrian Farrel (adrian@olddog.co.uk)
> wrote:
> 
> Alvaro and Ben,
> 
> Very sorry for delaying this progress so much and possibly causing your
> cache not only to be flushed, but the archive tapes sent to the fire-vault
> in Utah.
> 
> The last issue you had remaining was that 5575bis has removed the
> possibility of multiple Flow Specification components of the same type
> being
> present in one flow specification. We have aligned with this with two
> changes:
> - Added text to Section 7 saying:
> As described in [I-D.ietf-idr-rfc5575bis]
> where it says "A given component type MAY (exactly once) be present
> in the Flow Specification," a Flow Filter TLV MUST NOT contain more
> than one Flow Specification TLV of the same type: an implementation
> that receives a PCEP message with a Flow Filter TLV that contains more
> than one Flow Specification TLV of the same type MUST respond with a
> PCErr message with error-type TBD8 (FlowSpec Error), error-value 2
> (Malformed FlowSpec) and MUST NOT install the Flow Specification.
> - Section 8.4 has been rewritten to mainly say "use separate Flow
> Specification Objects for separate flow specifications"
> 
> This -11 revision picks up all other outstanding comments and nits.
> 
> Best,
> Adrian
> 
> -----Original Message-----
> From: I-D-Announce <i-d-announce-bounces@ietf.org> On Behalf Of
> internet-drafts@ietf.org
> Sent: 05 October 2020 15:27
> To: i-d-announce@ietf.org
> Cc: pce@ietf.org
> Subject: I-D Action: draft-ietf-pce-pcep-flowspec-11.txt
> 
> 
> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
> This draft is a work item of the Path Computation Element WG of the IETF.
> 
> Title : PCEP Extension for Flow Specification
> Authors : Dhruv Dhody
> Adrian Farrel
> Zhenbin Li
> Filename : draft-ietf-pce-pcep-flowspec-11.txt
> Pages : 37
> Date : 2020-10-05
> 
> Abstract:
> The Path Computation Element (PCE) is a functional component capable
> of selecting paths through a traffic engineering network. These
> paths may be supplied in response to requests for computation, or may
> be unsolicited requests issued by the PCE to network elements. Both
> approaches use the PCE Communication Protocol (PCEP) to convey the
> details of the computed path.
> 
> Traffic flows may be categorized and described using "Flow
> Specifications". RFC XXXX defines the Flow Specification and
> describes how Flow Specification Components are used to describe
> traffic flows. RFC XXXX also defines how Flow Specifications may be
> distributed in BGP to allow specific traffic flows to be associated
> with routes.
> 
> This document specifies a set of extensions to PCEP to support
> dissemination of Flow Specifications. This allows a PCE to indicate
> what traffic should be placed on each path that it is aware of.
> 
> The extensions defined in this document include the creation, update,
> and withdrawal of Flow Specifications via PCEP, and can be applied to
> tunnels initiated by the PCE or to tunnels where control is delegated
> to the PCE by the PCC. Furthermore, a PCC requesting a new path can
> include Flow Specifications in the request to indicate the purpose of
> the tunnel allowing the PCE to factor this into the path computation.
> 
> RFC Editor Note: Please replace XXXX in the Abstract with the RFC
> number assigned to draft-ietf-idr-rfc5575bis when it is published.
> Please remove this note.
> 
> 
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-flowspec/
> 
> There are also htmlized versions available at:
> https://tools.ietf.org/html/draft-ietf-pce-pcep-flowspec-11
> https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-flowspec-11
> 
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-flowspec-11
> 
> 
> Please note that it may take a couple of minutes from the time of
> submission
> until the htmlized version and diff are available at tools.ietf.org.
> 
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
> 
> 
> _______________________________________________
> I-D-Announce mailing list
> I-D-Announce@ietf.org
> 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


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From: "Mike Koldychev (mkoldych)" <mkoldych@cisco.com>
To: Dhruv Dhody <dd@dhruvdhody.com>, "pce@ietf.org" <pce@ietf.org>
CC: "draft-ietf-pce-association-bidir@ietf.org" <draft-ietf-pce-association-bidir@ietf.org>, pce-chairs <pce-chairs@ietf.org>
Thread-Topic: [Pce] WGLC for draft-ietf-pce-association-bidir
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Archived-At: <https://mailarchive.ietf.org/arch/msg/pce/LEhsXSCf3oxS63b3IRjWdC0fqD4>
Subject: Re: [Pce] WGLC for draft-ietf-pce-association-bidir
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Hi,

I have read the latest version of this document. I support the publication =
of this document.

Thanks,
Mike.

-----Original Message-----
From: Pce <pce-bounces@ietf.org> On Behalf Of Dhruv Dhody
Sent: Monday, October 5, 2020 1:17 PM
To: pce@ietf.org
Cc: draft-ietf-pce-association-bidir@ietf.org; pce-chairs <pce-chairs@ietf.=
org>
Subject: [Pce] WGLC for draft-ietf-pce-association-bidir

Hi WG,

This email starts a working group last call for draft-ietf-pce-association-=
bidir [1].  Please indicate your support or concern for this draft. If you =
are opposed to the progression of the draft to RFC, please articulate your =
concern. If you support it, please indicate that you have read the latest v=
ersion and it is ready for publication in your opinion. As always, review c=
omments and nits are most welcome. A general reminder to the WG to be more =
vocal during the LC and adoption calls.

The WG LC will end on 20th October 2020.

Thanks,
Dhruv & Julien
[1] https://datatracker.ietf.org/doc/draft-ietf-pce-association-bidir/

_______________________________________________
Pce mailing list
Pce@ietf.org
https://www.ietf.org/mailman/listinfo/pce


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To: "Mike Koldychev (mkoldych)" <mkoldych@cisco.com>, Dhruv Dhody <dd@dhruvdhody.com>, "pce@ietf.org" <pce@ietf.org>
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Subject: Re: [Pce] WGLC for draft-ietf-pce-association-bidir
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From nobody Sat Oct 10 02:35:34 2020
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From: "Weiqiang Cheng" <chengweiqiang@chinamobile.com>
To: "'Dhruv Dhody'" <dd@dhruvdhody.com>, <pce@ietf.org>
Cc: <draft-ietf-pce-association-bidir@ietf.org>, "'pce-chairs'" <pce-chairs@ietf.org>
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Date: Sat, 10 Oct 2020 17:35:18 +0800
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Subject: Re: [Pce] WGLC for draft-ietf-pce-association-bidir
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I've read the latest version of this document.
The draft is valuable and I support the adoption of this document.

B.R.
Weiqiang Cheng=20

-----=D3=CA=BC=FE=D4=AD=BC=FE-----
=B7=A2=BC=FE=C8=CB: Pce [mailto:pce-bounces@ietf.org] =B4=FA=B1=ED Dhruv =
Dhody
=B7=A2=CB=CD=CA=B1=BC=E4: 2020=C4=EA10=D4=C26=C8=D5 01:17
=CA=D5=BC=FE=C8=CB: pce@ietf.org
=B3=AD=CB=CD: draft-ietf-pce-association-bidir@ietf.org; pce-chairs
=D6=F7=CC=E2: [Pce] WGLC for draft-ietf-pce-association-bidir

Hi WG,

This email starts a working group last call for
draft-ietf-pce-association-bidir [1].  Please indicate your support or
concern for this draft. If you are opposed to the progression of the
draft to RFC, please articulate your concern. If you support it,
please indicate that you have read the latest version and it is ready
for publication in your opinion. As always, review comments and nits
are most welcome. A general reminder to the WG to be more vocal during
the LC and adoption calls.

The WG LC will end on 20th October 2020.

Thanks,
Dhruv & Julien
[1] https://datatracker.ietf.org/doc/draft-ietf-pce-association-bidir/

_______________________________________________
Pce mailing list
Pce@ietf.org
https://www.ietf.org/mailman/listinfo/pce




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From: Gyan Mishra <hayabusagsm@gmail.com>
Date: Sat, 10 Oct 2020 15:26:56 -0400
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To: TEAS WG <teas@ietf.org>, pce@ietf.org, IDR List <idr@ietf.org>, lsr <lsr@ietf.org>,  BESS <bess@ietf.org>, BIER WG <bier@ietf.org>, SPRING WG <spring@ietf.org>
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Subject: [Pce] PCE Controller & SDN Controller & Netconf/Yang NMS Controller - lines blurred and can the names be used ubiquitously meaning the same
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Dear TEAS, PCE, IDR, LSR, BESS, BIER  Spring Working Groups,

I have noticed that after reviewing many drafts across many WGs it seems in
the industry that the lines seem to be blurred between a PCE controller,
ODL or Openflow SDN Controller and a Netconf/Yang NMS Controller ZTP & Day
X provisioning.

As this is a software sitting on a server you can have a swiss army knife
server that does everything from PCE path computation to  Netconf/Yang ZTP
& Day N provisioning as well as any SDN Controller ODL or Openflow
controller type functions as well.

How this comes into play and realization of the lines being blurred is the
use of BGP-LS in building the IGP topological graph of the network which
was designed for PCEP and PCE & PCC active & passive off line path
computation for both RSVP-TE or SR-TE path instantiation.

However now BGP-LS can also be used for other functions now such as usage
as I am a Shepherd reviewing a draft for BGP-LS usage for BIER to use
BGP-LS to gather the elements internals within BIER using the same BGP-LS
data structures to populate with BIER specific information to graph the
BIER topology.  So here we are not doing any path computations as we are
using in this use case  for NMS type function to gather data for ZTP & Day
N provisioning.

Similarly other use cases such as with TEAS TS-Transport slice and being
able to provision TS and capturing the TS Enhanced VPN RT & resource
information and leveraging BGP-LS to do the same data gathering & ZTP like
controller style provisioning.

It does seem as though BGP-LS as its a means of "data gathering" "dump
truck" of anything with the kitchen sink included to build any type of
topological graph of literally anything under the sun.  I see that is a
nice to leverage but it does in fact blur the lines of NMS Netconf/Yang
Controller based functionality and  PCE path computation functionality and
SDN controller based ZTP functionality into a single ubiquitous server that
can do all of the above and use BGP-LS to accomplish the "kitchen sink"
tasks.  It does however transform BGP to be an NMS tool but a "tool" and
not just the original function which it was intended NLRI network
reachability.

Am I off base and please let me know as its BGP-LS is being way over
leveraged.  There are pros & cons to everything but I thought I would bring
up to the WG as an important discussion point.

Lots of food for thought.  Welcome all comments as well as concerns related
to this topic.

Kind Regards,

<http://www.verizon.com/>

*Gyan Mishra*

*Network Solutions A**rchitect *



*M 301 502-134713101 Columbia Pike *Silver Spring, MD

--0000000000000bf09f05b15621d5
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div><br></div>Dear TEAS, PCE, IDR, LSR, BESS, BIER=C2=A0 =
Spring Working Groups,<div><br></div><div>I have noticed that after reviewi=
ng many drafts across many WGs it seems in the industry that the lines seem=
 to be blurred between a PCE controller, ODL or Openflow SDN Controller and=
 a Netconf/Yang NMS Controller ZTP &amp; Day X provisioning.</div><div><br>=
</div><div>As this is a software sitting on a server you can have a swiss a=
rmy knife server that does everything from PCE path computation to=C2=A0 Ne=
tconf/Yang ZTP &amp; Day N provisioning as well as any SDN Controller ODL o=
r Openflow controller type functions as well.</div><div><br></div><div>How =
this comes into play and realization of the lines being blurred is the use =
of BGP-LS in building the IGP topological graph of the network which was de=
signed for PCEP and PCE &amp; PCC active &amp; passive off line path comput=
ation for both RSVP-TE or SR-TE path instantiation.=C2=A0=C2=A0</div><div><=
br></div><div>However now BGP-LS can also be used for other functions now s=
uch as usage as I am a Shepherd reviewing a draft for BGP-LS usage for BIER=
 to use BGP-LS to gather the elements internals within BIER using the same =
BGP-LS data structures to populate with BIER specific information to graph =
the BIER topology.=C2=A0 So here we are not doing any path computations as =
we are using in this use case=C2=A0 for NMS type function to gather data fo=
r ZTP &amp; Day N provisioning.</div><div><br></div><div>Similarly other us=
e cases such as with TEAS TS-Transport slice and being able to provision TS=
 and capturing the TS Enhanced VPN RT &amp; resource information and levera=
ging BGP-LS to do the same data gathering &amp; ZTP like controller style p=
rovisioning.=C2=A0</div><div><br></div><div>It does seem as though BGP-LS a=
s its a means of &quot;data gathering&quot; &quot;dump truck&quot; of anyth=
ing with the kitchen sink included to build any type of topological graph o=
f literally anything under the sun.=C2=A0 I see that is a nice to leverage =
but it does in fact blur the lines of NMS Netconf/Yang Controller based fun=
ctionality and=C2=A0 PCE path computation functionality and SDN controller =
based ZTP functionality into a single ubiquitous server that can do all of =
the above and use BGP-LS to accomplish the &quot;kitchen sink&quot; tasks.=
=C2=A0 It does however transform BGP to be an NMS tool but a &quot;tool&quo=
t; and not just the original function which it was intended NLRI network re=
achability.</div><div><div><br></div><div>Am I off base and please let me k=
now as its BGP-LS is being way over leveraged.=C2=A0 There are pros &amp; c=
ons to everything but I thought I would bring up to the WG as an important =
discussion point.</div><div><br></div><div>Lots of food for thought.=C2=A0 =
Welcome all comments as well as concerns related to this topic.</div><div><=
br></div>Kind Regards,<br><div dir=3D"ltr" class=3D"gmail_signature" data-s=
martmail=3D"gmail_signature"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"=
ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><d=
iv><p style=3D"color:rgb(34,34,34)"><a href=3D"http://www.verizon.com/" sty=
le=3D"color:rgb(17,85,204);padding-bottom:1em;display:inline-block" target=
=3D"_blank"><img src=3D"http://ss7.vzw.com/is/image/VerizonWireless/vz-logo=
-email" width=3D"81" height=3D"18" style=3D"height:18px;width:81px"></a><br=
></p><p style=3D"font-size:1em;margin:0px;font-family:&quot;Verizon NHG DS&=
quot;,Arial,sans-serif;line-height:13px;color:black"><b>Gyan Mishra</b></p>=
<p style=3D"color:rgb(34,34,34);margin:0px;line-height:13px"><font face=3D"=
georgia, serif" style=3D"color:black;font-size:1em"><i>Network Solutions A<=
/i></font><font color=3D"#000000" face=3D"georgia, serif"><i>rchitect=C2=A0=
</i></font></p><p style=3D"font-size:1em;margin:0px;line-height:13px;color:=
black"><i><font face=3D"georgia, serif">M 301 502-1347<br>13101 Columbia Pi=
ke=C2=A0<br></font></i>Silver Spring, MD</p></div><div><br></div></div></di=
v></div></div></div></div></div></div></div></div>

--0000000000000bf09f05b15621d5--


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From: Gyan Mishra <hayabusagsm@gmail.com>
Date: Tue, 13 Oct 2020 00:33:50 -0400
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Subject: Re: [Pce] PCE Controller & SDN Controller & Netconf/Yang NMS Controller - lines blurred and can the names be used ubiquitously meaning the same
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All

Another way of looking at BGP-LS is that it is an extremely powerful tool
for centralized controller based architectures or hybrid architectures, and
it does not bog down or impact the agility and lightweight aspects of BGP,
as BGP has its overall ability to stack & pile on SAFI's and codepoint's as
necessary to meet the desired design objectives.  So BGP can still remain
as light weight or as heavy weight as desired based on the design objective.

! BGP LS IAIA codepoints
https://www.iana.org/assignments/bgp-ls-parameters/bgp-ls-parameters.xhtml

So its safe to say that the use cases are pretty limitless for BGP-LS from
PCE path instantiation to ZTP & Day X provisioning & configuration.  I
think "dump drunk" depiction of BGP-LS is really a negative perception, as
BGP-LS has the native data structures primitives to build customizable
TLV's to meet almost any design objective.

Comments welcome.

Kind Regards

Gyan



On Sat, Oct 10, 2020 at 3:26 PM Gyan Mishra <hayabusagsm@gmail.com> wrote:

>
> Dear TEAS, PCE, IDR, LSR, BESS, BIER  Spring Working Groups,
>
> I have noticed that after reviewing many drafts across many WGs it seems
> in the industry that the lines seem to be blurred between a PCE controller,
> ODL or Openflow SDN Controller and a Netconf/Yang NMS Controller ZTP & Day
> X provisioning.
>
> As this is a software sitting on a server you can have a swiss army knife
> server that does everything from PCE path computation to  Netconf/Yang ZTP
> & Day N provisioning as well as any SDN Controller ODL or Openflow
> controller type functions as well.
>
> How this comes into play and realization of the lines being blurred is the
> use of BGP-LS in building the IGP topological graph of the network which
> was designed for PCEP and PCE & PCC active & passive off line path
> computation for both RSVP-TE or SR-TE path instantiation.
>
> However now BGP-LS can also be used for other functions now such as usage
> as I am a Shepherd reviewing a draft for BGP-LS usage for BIER to use
> BGP-LS to gather the elements internals within BIER using the same BGP-LS
> data structures to populate with BIER specific information to graph the
> BIER topology.  So here we are not doing any path computations as we are
> using in this use case  for NMS type function to gather data for ZTP & Day
> N provisioning.
>
> Similarly other use cases such as with TEAS TS-Transport slice and being
> able to provision TS and capturing the TS Enhanced VPN RT & resource
> information and leveraging BGP-LS to do the same data gathering & ZTP like
> controller style provisioning.
>
> It does seem as though BGP-LS as its a means of "data gathering" "dump
> truck" of anything with the kitchen sink included to build any type of
> topological graph of literally anything under the sun.  I see that is a
> nice to leverage but it does in fact blur the lines of NMS Netconf/Yang
> Controller based functionality and  PCE path computation functionality and
> SDN controller based ZTP functionality into a single ubiquitous server that
> can do all of the above and use BGP-LS to accomplish the "kitchen sink"
> tasks.  It does however transform BGP to be an NMS tool but a "tool" and
> not just the original function which it was intended NLRI network
> reachability.
>
> Am I off base and please let me know as its BGP-LS is being way over
> leveraged.  There are pros & cons to everything but I thought I would bring
> up to the WG as an important discussion point.
>
> Lots of food for thought.  Welcome all comments as well as concerns
> related to this topic.
>
> Kind Regards,
>
> <http://www.verizon.com/>
>
> *Gyan Mishra*
>
> *Network Solutions A**rchitect *
>
>
>
> *M 301 502-134713101 Columbia Pike *Silver Spring, MD
>
>

-- 

<http://www.verizon.com/>

*Gyan Mishra*

*Network Solutions A**rchitect *



*M 301 502-134713101 Columbia Pike *Silver Spring, MD

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<div dir=3D"ltr"><div dir=3D"ltr">All<div><br></div><div>Another way of loo=
king at BGP-LS is that it is an extremely powerful tool for centralized con=
troller based architectures or hybrid architectures, and it does not bog do=
wn or impact the agility and lightweight aspects of BGP, as BGP has its ove=
rall ability to stack &amp; pile on SAFI&#39;s and codepoint&#39;s as neces=
sary to meet the desired design objectives.=C2=A0 So BGP can still remain a=
s light weight or as heavy=C2=A0weight as desired based on the design objec=
tive.</div><div><br></div><div>! BGP LS IAIA codepoints</div><div><a href=
=3D"https://www.iana.org/assignments/bgp-ls-parameters/bgp-ls-parameters.xh=
tml">https://www.iana.org/assignments/bgp-ls-parameters/bgp-ls-parameters.x=
html</a><br></div></div><div><br></div><div>So its safe to say that the use=
 cases are pretty limitless for BGP-LS from PCE path instantiation to ZTP &=
amp; Day X provisioning &amp; configuration.=C2=A0 I think &quot;dump drunk=
&quot; depiction of BGP-LS is really a negative perception, as BGP-LS has t=
he native data structures primitives to build customizable TLV&#39;s to mee=
t almost any design objective.=C2=A0</div><div><br></div><div>Comments welc=
ome.</div><div><br></div><div>Kind Regards</div><div><br></div><div>Gyan</d=
iv><div><br></div><div><br></div><br><div class=3D"gmail_quote"><div dir=3D=
"ltr" class=3D"gmail_attr">On Sat, Oct 10, 2020 at 3:26 PM Gyan Mishra &lt;=
<a href=3D"mailto:hayabusagsm@gmail.com">hayabusagsm@gmail.com</a>&gt; wrot=
e:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0=
.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"l=
tr"><div><br></div>Dear TEAS, PCE, IDR, LSR, BESS, BIER=C2=A0 Spring Workin=
g Groups,<div><br></div><div>I have noticed that after reviewing many draft=
s across many WGs it seems in the industry that the lines seem to be blurre=
d between a PCE controller, ODL or Openflow SDN Controller and a Netconf/Ya=
ng NMS Controller ZTP &amp; Day X provisioning.</div><div><br></div><div>As=
 this is a software sitting on a server you can have a swiss army knife ser=
ver that does everything from PCE path computation to=C2=A0 Netconf/Yang ZT=
P &amp; Day N provisioning as well as any SDN Controller ODL or Openflow co=
ntroller type functions as well.</div><div><br></div><div>How this comes in=
to play and realization of the lines being blurred is the use of BGP-LS in =
building the IGP topological graph of the network which was designed for PC=
EP and PCE &amp; PCC active &amp; passive off line path computation for bot=
h RSVP-TE or SR-TE path instantiation.=C2=A0=C2=A0</div><div><br></div><div=
>However now BGP-LS can also be used for other functions now such as usage =
as I am a Shepherd reviewing a draft for BGP-LS usage for BIER to use BGP-L=
S to gather the elements internals within BIER using the same BGP-LS data s=
tructures to populate with BIER specific information to graph the BIER topo=
logy.=C2=A0 So here we are not doing any path computations as we are using =
in this use case=C2=A0 for NMS type function to gather data for ZTP &amp; D=
ay N provisioning.</div><div><br></div><div>Similarly other use cases such =
as with TEAS TS-Transport slice and being able to provision TS and capturin=
g the TS Enhanced VPN RT &amp; resource information and leveraging BGP-LS t=
o do the same data gathering &amp; ZTP like controller style provisioning.=
=C2=A0</div><div><br></div><div>It does seem as though BGP-LS as its a mean=
s of &quot;data gathering&quot; &quot;dump truck&quot; of anything with the=
 kitchen sink included to build any type of topological graph of literally =
anything under the sun.=C2=A0 I see that is a nice to leverage but it does =
in fact blur the lines of NMS Netconf/Yang Controller based functionality a=
nd=C2=A0 PCE path computation functionality and SDN controller based ZTP fu=
nctionality into a single ubiquitous server that can do all of the above an=
d use BGP-LS to accomplish the &quot;kitchen sink&quot; tasks.=C2=A0 It doe=
s however transform BGP to be an NMS tool but a &quot;tool&quot; and not ju=
st the original function which it was intended NLRI network reachability.</=
div><div><div><br></div><div>Am I off base and please let me know as its BG=
P-LS is being way over leveraged.=C2=A0 There are pros &amp; cons to everyt=
hing but I thought I would bring up to the WG as an important discussion po=
int.</div><div><br></div><div>Lots of food for thought.=C2=A0 Welcome all c=
omments as well as concerns related to this topic.</div><div><br></div>Kind=
 Regards,<br><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D=
"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><=
div><p style=3D"color:rgb(34,34,34)"><a href=3D"http://www.verizon.com/" st=
yle=3D"color:rgb(17,85,204);padding-bottom:1em;display:inline-block" target=
=3D"_blank"><img src=3D"http://ss7.vzw.com/is/image/VerizonWireless/vz-logo=
-email" width=3D"81" height=3D"18" style=3D"height: 18px; width: 81px;"></a=
><br></p><p style=3D"font-size:1em;margin:0px;font-family:&quot;Verizon NHG=
 DS&quot;,Arial,sans-serif;line-height:13px;color:black"><b>Gyan Mishra</b>=
</p><p style=3D"color:rgb(34,34,34);margin:0px;line-height:13px"><font face=
=3D"georgia, serif" style=3D"color:black;font-size:1em"><i>Network Solution=
s A</i></font><font color=3D"#000000" face=3D"georgia, serif"><i>rchitect=
=C2=A0</i></font></p><p style=3D"font-size:1em;margin:0px;line-height:13px;=
color:black"><i><font face=3D"georgia, serif">M 301 502-1347<br>13101 Colum=
bia Pike=C2=A0<br></font></i>Silver Spring, MD</p></div><div><br></div></di=
v></div></div></div></div></div></div></div></div></div>
</blockquote></div><br clear=3D"all"><div><br></div>-- <br><div dir=3D"ltr"=
 class=3D"gmail_signature"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"lt=
r"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div=
><p style=3D"color:rgb(34,34,34)"><a href=3D"http://www.verizon.com/" style=
=3D"color:rgb(17,85,204);padding-bottom:1em;display:inline-block" target=3D=
"_blank"><img src=3D"http://ss7.vzw.com/is/image/VerizonWireless/vz-logo-em=
ail" width=3D"81" height=3D"18" style=3D"height: 18px; width: 81px;"></a><b=
r></p><p style=3D"font-size:1em;margin:0px;font-family:&quot;Verizon NHG DS=
&quot;,Arial,sans-serif;line-height:13px;color:black"><b>Gyan Mishra</b></p=
><p style=3D"color:rgb(34,34,34);margin:0px;line-height:13px"><font face=3D=
"georgia, serif" style=3D"color:black;font-size:1em"><i>Network Solutions A=
</i></font><font color=3D"#000000" face=3D"georgia, serif"><i>rchitect=C2=
=A0</i></font></p><p style=3D"font-size:1em;margin:0px;line-height:13px;col=
or:black"><i><font face=3D"georgia, serif">M 301 502-1347<br>13101 Columbia=
 Pike=C2=A0<br></font></i>Silver Spring, MD</p></div><div><br></div></div><=
/div></div></div></div></div></div></div></div>

--00000000000052820105b18600e0--


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Subject: [Pce] I-D Action: draft-ietf-pce-vn-association-03.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Path Computation Element WG of the IETF.

        Title           : Path Computation Element communication Protocol (PCEP) extensions for Establishing Relationships between sets of LSPs and Virtual Networks
        Authors         : Young Lee
                          Haomian Zheng
                          Daniele Ceccarelli
	Filename        : draft-ietf-pce-vn-association-03.txt
	Pages           : 14
	Date            : 2020-10-18

Abstract:
   This document describes how to extend Path Computation Element (PCE)
   Communication Protocol (PCEP) association mechanism introduced by the
   PCEP Association Group specification, to further associate sets of
   LSPs with a higher-level structure such as a virtual network (VN)
   requested by clients or applications.  This extended association
   mechanism can be used to facilitate virtual network control using PCE
   architecture.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-vn-association/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-pce-vn-association-03
https://datatracker.ietf.org/doc/html/draft-ietf-pce-vn-association-03

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-vn-association-03


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/



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From: Dhruv Dhody <dd@dhruvdhody.com>
Date: Mon, 19 Oct 2020 10:25:51 +0530
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To: pce@ietf.org
Cc: draft-ietf-pce-association-bidir@ietf.org,  pce-chairs <pce-chairs@ietf.org>, Bin_Wen@comcast.com, Colby Barth <cbarth@juniper.net>
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Subject: Re: [Pce] WGLC for draft-ietf-pce-association-bidir
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Hi WG,

Just a reminder, the WG LC ends tomorrow, please respond to the LC
before that with a request for the WG to be more vocal on the list
[1].

Also, IPR responses from Colby and Bin are missing [2].

Thanks!
Dhruv & Julien

[1] https://www.ietf.org/proceedings/108/slides/slides-108-pce-1-introduction-01
> Please be Vocal
>
> o During WG Adoption and WG LC calls, the response is less.
>
> o Please be vocal on the list to help us gauge the consensus better.
>
> o The working group mailing lists are looked at by the IESG, IAB, and others (internal and external to IETF) to determine interest/participation level in our standards process.
>
> o Please review ideas from your peers, these are community outputs of the working group as a whole.
>

[2] https://mailarchive.ietf.org/arch/msg/pce/CMUB1JbyWAx5O-3Lj3Pfytzta0g/

On Mon, Oct 5, 2020 at 10:46 PM Dhruv Dhody <dd@dhruvdhody.com> wrote:
>
> Hi WG,
>
> This email starts a working group last call for
> draft-ietf-pce-association-bidir [1].  Please indicate your support or
> concern for this draft. If you are opposed to the progression of the
> draft to RFC, please articulate your concern. If you support it,
> please indicate that you have read the latest version and it is ready
> for publication in your opinion. As always, review comments and nits
> are most welcome. A general reminder to the WG to be more vocal during
> the LC and adoption calls.
>
> The WG LC will end on 20th October 2020.
>
> Thanks,
> Dhruv & Julien
> [1] https://datatracker.ietf.org/doc/draft-ietf-pce-association-bidir/


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Subject: Re: [Pce] [EXTERNAL] Re: IPR Poll on draft-ietf-pce-association-bidir
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Subject: Re: [Pce] [EXTERNAL] Re: IPR Poll on draft-ietf-pce-association-bidir
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<html><head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dutf-8"><s=
tyle>body { line-height: 1.5; }blockquote { margin-top: 0px; margin-bottom:=
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=E8=BD=AF=E9=9B=85=E9=BB=91; color: rgb(0, 0, 0); line-height: 1.5; }</styl=
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<div><span></span><div style=3D"font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=
=BB=91, Tahoma; line-height: normal;">Hello Chairs and all,</div><div style=
=3D"font-family: =E5=BE=AE=E8=BD=AF=E9=9B=85=E9=BB=91, Tahoma; line-height:=
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=E9=BB=91, Tahoma; line-height: normal;">I have read the latest version and=
 I think it is ready&nbsp;<span style=3D"font-size: 10.5pt; background-colo=
r: transparent;">for publication.</span></div></div>=0A=
<div><br></div><div>Best Regards,</div><div>Zhenqiang Li</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: 10p=
t"><div>li_zhenqiang@hotmail.com</div></div></span></div>=0A=
<blockquote style=3D"margin-Top: 0px; margin-Bottom: 0px; margin-Left: 0.5e=
m"><div>&nbsp;</div><div style=3D"border:none;border-top:solid #B5C4DF 1.0p=
t;padding:3.0pt 0cm 0cm 0cm"><div style=3D"PADDING-RIGHT: 8px; PADDING-LEFT=
: 8px; FONT-SIZE: 12px;FONT-FAMILY:tahoma;COLOR:#000000; BACKGROUND: #efefe=
f; PADDING-BOTTOM: 8px; PADDING-TOP: 8px"><div><b>From:</b>&nbsp;<a href=3D=
"mailto:dd@dhruvdhody.com">Dhruv Dhody</a></div><div><b>Date:</b>&nbsp;2020=
-10-06&nbsp;01:46</div><div><b>To:</b>&nbsp;<a href=3D"mailto:pce@ietf.org"=
>pce</a></div><div><b>CC:</b>&nbsp;<a href=3D"mailto:draft-ietf-pce-associa=
tion-bidir@ietf.org">draft-ietf-pce-association-bidir</a>; <a href=3D"mailt=
o:pce-chairs@ietf.org">pce-chairs</a></div><div><b>Subject:</b>&nbsp;[Pce] =
WGLC for draft-ietf-pce-association-bidir</div></div></div><div><div>Hi WG,=
</div>=0A=
<div>&nbsp;</div>=0A=
<div>This email starts a working group last call for</div>=0A=
<div>draft-ietf-pce-association-bidir [1].&nbsp; Please indicate your suppo=
rt or</div>=0A=
<div>concern for this draft. If you are opposed to the progression of the</=
div>=0A=
<div>draft to RFC, please articulate your concern. If you support it,</div>=
=0A=
<div>please indicate that you have read the latest version and it is ready<=
/div>=0A=
<div>for publication in your opinion. As always, review comments and nits</=
div>=0A=
<div>are most welcome. A general reminder to the WG to be more vocal during=
</div>=0A=
<div>the LC and adoption calls.</div>=0A=
<div>&nbsp;</div>=0A=
<div>The WG LC will end on 20th October 2020.</div>=0A=
<div>&nbsp;</div>=0A=
<div>Thanks,</div>=0A=
<div>Dhruv &amp; Julien</div>=0A=
<div>[1] https://datatracker.ietf.org/doc/draft-ietf-pce-association-bidir/=
</div>=0A=
<div>&nbsp;</div>=0A=
<div>_______________________________________________</div>=0A=
<div>Pce mailing list</div>=0A=
<div>Pce@ietf.org</div>=0A=
<div>https://www.ietf.org/mailman/listinfo/pce</div>=0A=
</div></blockquote>=0A=
</body></html>=

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--=====_003_next=====--

--=====_002_next=====--

--=====_001_next=====--


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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Path Computation Element WG of the IETF.

        Title           : PCEP Extension for Native IP Network
        Authors         : Aijun Wang
                          Boris Khasanov
                          Sheng Fang
                          Ren Tan
                          Chun Zhu
	Filename        : draft-ietf-pce-pcep-extension-native-ip-09.txt
	Pages           : 24
	Date            : 2020-10-20

Abstract:
   This document defines the Path Computation Element Communication
   Protocol (PCEP) extension for Central Control Dynamic Routing (CCDR)
   based application in Native IP network.  The scenario and framework
   of CCDR in native IP is described in [RFC8735] and
   [I-D.ietf-teas-pce-native-ip].  This draft describes the key
   information that is transferred between Path Computation Element
   (PCE) and Path Computation Clients (PCC) to accomplish the End to End
   (E2E) traffic assurance in Native IP network under central control
   mode.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-extension-native-ip/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-pce-pcep-extension-native-ip-09
https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-extension-native-ip-09

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-extension-native-ip-09


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/



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Subject: [Pce] PCE WG agenda request for IETF 109
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Hi WG,

The PCE WG would be meeting during the IETF 109 [1] week. If you need
agenda time to progress some work, please send a slot request directly
to the chairs/secretary <pce-chairs@ietf.org> by Monday, Nov 2nd by
including:

- the draft(s) you want to discuss,
- the expected presenter name,
- the requested duration, including question time as part of the slot,
- the reason why you want to be on the agenda; What do you want to
achieve? Why is a presentation necessary to achieve it?

Please note - Asking for a slot does not mean you will get one. We
will be prioritizing moving WG work first as well as drafts that were
discussed on the mailing list. Please make sure to introduce your new
draft or summarize an update on the mailing list. The last date to
submit drafts is also Monday, Nov 2nd [2].

Also, note that a fee waiver option [3] exists if it is a barrier to
your participation in IETF 109.

Thanks!
PCE Chairs & Secretary

[1] https://datatracker.ietf.org/meeting/109/agenda
[2] https://datatracker.ietf.org/meeting/important-dates/
[3] https://www.ietf.org/forms/109-registration-fee-waiver/


From nobody Wed Oct 21 04:46:07 2020
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Subject: [Pce] New Version Notification - draft-ietf-lsr-pce-discovery-security-support-04.txt
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A new version (-04) has been submitted for draft-ietf-lsr-pce-discovery-security-support:
https://www.ietf.org/archive/id/draft-ietf-lsr-pce-discovery-security-support-04.txt


The IETF datatracker page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-lsr-pce-discovery-security-support/

Diff from previous version:
https://www.ietf.org/rfcdiff?url2=draft-ietf-lsr-pce-discovery-security-support-04

Please note that it may take a couple of minutes from the time of submission
until the diff is available at tools.ietf.org.

IETF Secretariat.



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From: Dhruv Dhody <dd@dhruvdhody.com>
Date: Wed, 21 Oct 2020 18:48:33 +0530
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Cc: draft-ietf-pce-association-bidir@ietf.org,  pce-chairs <pce-chairs@ietf.org>
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Subject: Re: [Pce] WGLC for draft-ietf-pce-association-bidir
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Hi WG,

The WG LC is closed, we have support to move the document along the
publication process. Thanks to everyone who responded.

Thanks!
Dhruv & Julien


On Mon, Oct 5, 2020 at 10:46 PM Dhruv Dhody <dd@dhruvdhody.com> wrote:
>
> Hi WG,
>
> This email starts a working group last call for
> draft-ietf-pce-association-bidir [1].  Please indicate your support or
> concern for this draft. If you are opposed to the progression of the
> draft to RFC, please articulate your concern. If you support it,
> please indicate that you have read the latest version and it is ready
> for publication in your opinion. As always, review comments and nits
> are most welcome. A general reminder to the WG to be more vocal during
> the LC and adoption calls.
>
> The WG LC will end on 20th October 2020.
>
> Thanks,
> Dhruv & Julien
> [1] https://datatracker.ietf.org/doc/draft-ietf-pce-association-bidir/


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Subject: [Pce] WG adoption poll for draft-stone-pce-local-protection-enforcement-02.
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Hi WG,

This email begins the WG adoption poll for
draft-stone-pce-local-protection-enforcement-02.

https://datatracker.ietf.org/doc/html/draft-stone-pce-local-protection-enforcement-02

Should this draft be adopted by the PCE WG? Please state your reasons
- Why / Why not? What needs to be fixed before or after adoption? Are
you willing to work on this draft? Review comments should be posted to
the list.

This adoption poll will end on 9th Nov 2020 (Monday).

Thanks!
Dhruv & Julien


From nobody Wed Oct 21 06:43:00 2020
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Subject: [Pce] The PCE WG has placed draft-stone-pce-local-protection-enforcement in state "Call For Adoption By WG Issued"
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The PCE WG has placed draft-stone-pce-local-protection-enforcement in state
Call For Adoption By WG Issued (entered by Dhruv Dhody)

The document is available at
https://datatracker.ietf.org/doc/draft-stone-pce-local-protection-enforcement/



From nobody Wed Oct 21 07:51:00 2020
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Subject: [Pce] Shepherd's Review of draft-ietf-pce-pcep-extension-for-pce-controller-07
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Hi authors of draft-ietf-pce-pcep-extension-for-pce-controller,

Please find below my review of the aforementioned I-D.

Regards,

Julien

---

*Main Concerns*

- From a PCECC operation stand point, it feels odd that what is referred
to as "basic PCECC LSP setup" is actually PCC triggered, whereas the
PCE-initiatied option does exist as well. Even though it adds an
additional PCInitiate message, I would suggest to define the latter as
the "basic setup", which would not only address that comment, but would
also mitigate the following concerns on PCC-triggered setup.
- I have 2 issues with PCC-triggered setup:
  * it adds LSP characteristics and egress-related information in the
ingress PCC, which is not straightforward in a PCECC context (certainly
not for a "base setup");
  * the behavior triggered by the initial PCRpt is
implementation-specific in the PCE: as per section 5.8.3 of RFC 8231, I
could configure my PCE to just store the reported info, or make it wait
for whatever event before actually starting something ("PCE *decides* to
update the LSP", "the PCE *can* modify LSP parameters of delegated LSPs").
  => Assuming the PCC-triggerred option is really needed, this
limitation should be more explicit.
- At the end of section 6.1, some errors are defined with respect to the
number of CCI objects in a message. If the ingress PCE has a particular
role (e.g. PLSP-ID allocation), how do other PCCs know if they are
transit or egress to be able to check the number of CCIs they get?
AFAIU, at 1st setup, only inconsistencies between the O bit and the
number of CCIs can trigger an error; on LSP updates the node may add an
additional check with respect to its role before the update: those
situations need to be clarified.
- There is no reference to RFC 8741. Is it applicable? If so, then how?


*Nits*
------
Global
---
- Consistency on capitalization of ingress/transit/egress to be corrected.
------
Abstract
---
- s/PCE-based central controller (PCECC)/PCE-based Central Controller
(PCECC)/
- s/"calculated/setup"/"calculated/set up"/
- s/each network devices/each network device/
------
Section 1.
---
- s/offload path computation function/offload the path computation function/
- s/PCE-based central controller (PCECC)/PCE-based Central Controller
(PCECC)/
- s/such a way that, extensions/such a way that extensions/
- s/extensions for other use cases is/extensions for other use cases are/
------
Section 4.
---
- s/PCE speaker supporting/A PCE speaker supporting/
- s/PCE speaker needs/A PCE speaker needs/
- s/needs the means/needs means/
- s/PCECC based LSP/PCECC-based LSPs/
- s/PCECC based label allocations/PCECC-based label allocations/
- s/provide a means/provide a mean/  [x2]
- s/between PCE and PCC/between the PCE and the PCC/
------
Sections 5. & 5.1.
---
- s/PCE as the Central Controller/PCE as a Central Controller/
- s/reuses existing Active stateful PCE mechanism/reuses the existing
active stateful PCE mechanism/
- s/control the LSP/control LSPs/
------
Section 5.4.
---
- s/the PCEP speaker MUST send a PCErr/the receiving PCEP speaker MUST
send a PCErr/
- OLD
   [...] If the PCEP
   Speakers support the extensions of this draft but did not advertise
   this capability attempts a PCECC operation then a PCErr message with
   Error-Type=19(Invalid Operation) and Error-Value=TBD3 (Attempted
   PCECC operations when PCECC capability was not advertised) will be
   generated and the PCEP session will be terminated.
  NEW
   [...] If a PCEP speaker
   which supports the extensions of this draft but did not advertise
   this capability attempts a PCECC operation, then a PCErr message with
   Error-Type=19 (Invalid Operation) and Error-Value=TBD3 (Attempted
   PCECC operations when PCECC capability was not advertised) MUST be
   generated by its peer and the PCEP session will be terminated.

- s/PCECC-CAPABILITY sub-TLV/the PCECC-CAPABILITY sub-TLV/  [x3]
- s/STATEFUL-PCE-CAPABILITY TLV/the STATEFUL-PCE-CAPABILITY TLV/  [x2]
- s/in OPEN Object/in the OPEN Object/
- s/it MUST send/the receiving peer MUST send/
- s/and I flag/and the I flag/
------
Section 5.5.
---
- s/pertaining to PCECC/pertaining to a PCECC/
- s/the PCECC LSP is intended/that PCECC LSP is intended/
------
Section 5.5.1.
---
- s/Basic PCECC LSP set up/Basic PCECC LSP Setup/
- s/included for PCECC LSP/included for PCECC LSPs/
- s/"so the transit LSR could"/"so a transit/egress LSR could"/
- s/include SPEAKER-ENTITY-ID TLV/include the SPEAKER-ENTITY-ID TLV/
- OLD
   [...] sets up
   the path by sending PCInitiate message to each node along the path of
   the LSP.  The PCC generates a Path Computation State Report (PCRpt)
   and includes the central controller instruction (CCI) and the
   identified LSP.  The CC-ID uniquely identifies the central controller
   instruction within a PCEP session.  The PCC further responds with the
   PCRpt messages including the CCI and LSP objects.
  NEW
   [...] sets up
   the path by sending a PCInitiate message to each node along the path of
   the LSP. The CC-ID uniquely identifies the central controller
   instruction within a PCEP session. Each PCC further responds with the
   PCRpt messages including the central controller instruction (CCI) and
   the LSP objects.

- s/LSP deletion operation/The LSP deletion operation/
- s/for PCECC LSP is/for PCECC LSPs is/
- s/does Label cleanup/does label cleanup/
- Figure 1: all figures have the same message ordering, though the order
only matters when using PCC-allocated labels (leaving initial and last
messages apart); have you considered shuffling the message order a bit
on figures for PCE-allocated cases?
- s/and where the PCC/and then the PCC/
- s/The PCC would further inform/The PCC further informs/
------
Section 5.5.2.
---
- s/know at both/known by both/
- s/download as part of CCI,/download, as part of CCI,/
- s/but failed/but fails/
------
Section 5.5.3.
---
- s/PCE Initiated PCECC LSP/PCE-Initiated PCECC LSP/  [section title +
figure tag]
- s/PCE Initiated LSP/PCE-initiated LSP/  [x2]
- OLD
   the removal procedure remains the same.
  NEW
   the removal procedure remains the same, with just an additional
constraint on the configuration sequence.
------
Section 5.5.4.
---
- s/the PCECC first update/the PCECC first updates/
- s/then update to ingress/then updates the ingress/
- s/the old instructions/the former instructions/
- s/the old LSP/the former LSP/
- s/Delete old CCI/Delete former CCI/  [Figure 5]
- OLD
   the removal procedure remains the same.
  NEW
   the removal procedure remains the same, adding the sequence constraint.
------
Section 5.5.5.
---
- s/the instruction, it wants/the instruction it wants/  [or "the
instruction that it wants"]
------
Section 5.5.8.
---
- s/PCC Based Allocations/PCC-Based Allocations/
- s/would allocate the label and would report/SHOULD allocate the label
and SHOULD report/
- s/the Label is 0 and the C flag is set,/the Label is 0 and the C flag
is set to 1,/
- s/the Label is 'n' and the C flag is set in the CCI/the Label is 'n'
and the C flag is set to 0 in the CCI/
- s/the PCC should report/the PCC MUST report/
------
Section 5.5.9.
---
- OLD
   to indicate the allocation needs to be
   made by the PCE.  This flag is used to indicate that the allocation
   needs to be made by the PCE.  A PCC would set [...]
  NEW
   to indicate the allocation needs to be
   made by the PCE.  A PCC would set [...]

- s/for a PCE-Initiated (or delegated LSP)./for a PCE-initiated (or
delegated) LSP./
------
Section 6.
---
- s/6. PCEP messages/6. PCEP Messages/
- s/6.1. The PCInitiate message/6.1. The PCInitiate Message/
- s/for the transit LSR./for a transit LSR./
- s/To cleanup,/To clean up entries,/
- s/instances of CCI object would be included in the case/instances of
the CCI object can be included, in the case/
- s/6.2. The PCRpt message/6.2. The PCRpt Message/
- s/the receiving PCC MUST/the receiving PCE MUST/
- s/for the transit LSR./for a transit LSR./
------
Section 7.
---
- s/The PCEP object defined/The PCEP objects defined/
- s/a PCECC based mechanism./a PCECC-based mechanism./
- s/for label download./"for label download/report."/
- s/Flags: is used/Flags: A field used/
- s/C-Bit/C bit/
------
Section 11.
---
- s/sub- registry/sub-registry/
- s/PATH-SETUP- TYPE-CAPABILITY/PATH-SETUP-TYPE-CAPABILITY/
- In section 11.7, a blank line before each Error-Type would improve
readability.
------
Section 12.
---
- The following references may be moved from Normative to Informative:
  * RFC 7420,
  * RFC 7225,
  * RFC 8126,
  * RFC 8174,
  * RFC 8233.


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Date: Wed, 21 Oct 2020 12:41:40 -0700
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Subject: [Pce] IPR Poll on draft-stone-pce-local-protection-enforcement-02
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--000000000000f73aa305b23389d5
Content-Type: text/plain; charset="UTF-8"

Hi Authors,

In preparation for WG adoption on this draft, I'd like all
authors and contributors to confirm on the list that they are in compliance
with IETF IPR rules.

Please respond (copying the mailing list) to say one of:

I am not aware of any IPR applicable to this draft that should be disclosed
in accordance with IETF IPR rules.

I am aware of the IPR applicable to this draft, and it has already been
disclosed to the IETF.

I am aware of IPR applicable to this draft, but that has not yet been
disclosed to the IETF. I will work to ensure that it will be disclosed in a
timely manner.

Thanks,
- Hari

--000000000000f73aa305b23389d5
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:verdana,=
sans-serif;font-size:small"><pre style=3D"white-space:pre-wrap;box-sizing:b=
order-box;margin-top:0px;margin-bottom:1rem;overflow:auto;color:rgb(33,37,4=
1);word-break:normal;padding:0px"><font face=3D"verdana, sans-serif">Hi Aut=
hors,

In preparation for WG adoption on this draft, I&#39;d like all
authors and contributors to confirm on the list that they are in compliance
with IETF IPR rules.</font></pre><pre style=3D"white-space:pre-wrap;box-siz=
ing:border-box;margin-top:0px;margin-bottom:1rem;overflow:auto;color:rgb(33=
,37,41);word-break:normal;padding:0px"><span style=3D"font-family:verdana,s=
ans-serif">Please respond (copying the mailing list) to say one of:</span><=
/pre><pre style=3D"white-space:pre-wrap;box-sizing:border-box;margin-top:0p=
x;margin-bottom:1rem;overflow:auto;color:rgb(33,37,41);word-break:normal;pa=
dding:0px"><font face=3D"verdana, sans-serif">I am not aware of any IPR app=
licable to this draft that should be disclosed
in accordance with IETF IPR rules.

I am aware of the IPR applicable to this draft, and it has already been
disclosed to the IETF.

I am aware of IPR applicable to this draft, but that has not yet been
disclosed to the IETF. I will work to ensure that it will be disclosed in a
timely manner.

Thanks,
- Hari</font></pre></div></div>

--000000000000f73aa305b23389d5--


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Thread-Topic: [Pce] WG adoption poll for draft-stone-pce-local-protection-enforcement-02.
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From: "Stone, Andrew (Nokia - CA/Ottawa)" <andrew.stone@nokia.com>
To: Hariharan Ananthakrishnan <hari@netflix.com>, "Aissaoui, Mustapha (Nokia - CA/Ottawa)" <mustapha.aissaoui@nokia.com>, "ssidor@cisco.com" <ssidor@cisco.com>, "ssivabal@ciena.com" <ssivabal@ciena.com>
CC: "pce@ietf.org" <pce@ietf.org>
Thread-Topic: IPR Poll on draft-stone-pce-local-protection-enforcement-02
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Date: Wed, 21 Oct 2020 21:15:56 +0000
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From: "Mike Koldychev (mkoldych)" <mkoldych@cisco.com>
To: Dhruv Dhody <dd@dhruvdhody.com>, "pce@ietf.org" <pce@ietf.org>
Thread-Topic: [Pce] WG adoption poll for draft-stone-pce-local-protection-enforcement-02.
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Subject: Re: [Pce] WG adoption poll for draft-stone-pce-local-protection-enforcement-02.
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Hi,

I have read the latest version of this document and I support WG adoption. =
It's useful for finer control of TI-LFA protection for SR-TE Policy.

Thanks,
Mike.

-----Original Message-----
From: Pce <pce-bounces@ietf.org> On Behalf Of Dhruv Dhody
Sent: Wednesday, October 21, 2020 9:41 AM
To: pce@ietf.org
Subject: [Pce] WG adoption poll for draft-stone-pce-local-protection-enforc=
ement-02.

Hi WG,

This email begins the WG adoption poll for draft-stone-pce-local-protection=
-enforcement-02.

https://datatracker.ietf.org/doc/html/draft-stone-pce-local-protection-enfo=
rcement-02

Should this draft be adopted by the PCE WG? Please state your reasons
- Why / Why not? What needs to be fixed before or after adoption? Are you w=
illing to work on this draft? Review comments should be posted to the list.

This adoption poll will end on 9th Nov 2020 (Monday).

Thanks!
Dhruv & Julien

_______________________________________________
Pce mailing list
Pce@ietf.org
https://www.ietf.org/mailman/listinfo/pce


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From: "Aissaoui, Mustapha (Nokia - CA/Ottawa)" <mustapha.aissaoui@nokia.com>
To: Hariharan Ananthakrishnan <hari@netflix.com>, "Stone, Andrew (Nokia - CA/Ottawa)" <andrew.stone@nokia.com>, "ssidor@cisco.com" <ssidor@cisco.com>, "ssivabal@ciena.com" <ssivabal@ciena.com>
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From: "Samuel Sidor (ssidor)" <ssidor@cisco.com>
To: "Aissaoui, Mustapha (Nokia - CA/Ottawa)" <mustapha.aissaoui@nokia.com>, Hariharan Ananthakrishnan <hari@netflix.com>, "Stone, Andrew (Nokia - CA/Ottawa)" <andrew.stone@nokia.com>, "ssivabal@ciena.com" <ssivabal@ciena.com>
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Thread-Topic: IPR Poll on draft-stone-pce-local-protection-enforcement-02
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Subject: Re: [Pce] IPR Poll on draft-stone-pce-local-protection-enforcement-02
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From: Dhruv Dhody <dd@dhruvdhody.com>
Date: Thu, 22 Oct 2020 17:14:22 +0530
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Subject: [Pce] Shepherd's Review of draft-ietf-pce-association-bidir-08
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Hi Authors,

Please find my review of your I-D. The core idea is clear but I feel
the document needs some cleanup and tightening of specifications at
par standards track document.

==

Major
******
(1) We need to use normative text in this standards track document.
Section 3 and section 5 could benefit from it. To illustrate my point
-

~ Section 3.1, the use of 'may' in -

   The originating endpoint (PCC) node may report/ delegate the forward
   and reverse direction LSPs to a PCE.  The remote endpoint (PCC) node
   may report its forward direction LSP to a PCE.

   - Similar text in section 3.2

~ There is only 1 normative MUST in section 5.1 and 5.2.

~ My overall suggestion: Since you have multiple scenarios
(single-sided & double-sided) and (PCE-Initiated & PCC-Initiated) and
each requiring different processing, the current text ends up being
generic (and thus not possible to use Normative). It is better to
break the test for the 4 cases (or sub-sections) -
  ~ single-sided PCE-Initiated
  ~ single-sided PCC-Initiated
  ~ double-sided PCE-Initiated
  ~ double-sided PCC-Initiated
and use the normative language for message exchange (as well as the
use of ASSOCIATION) for each case separately. That should improve the
document clarity for interoperability.

(2) Section 4,

   o  An LSP (forward or reverse) cannot be part of more than one
      Bidirectional LSP Association Group.  More than one forward LSP
      and/ or reverse LSP can be part of a Bidirectional LSP Association
      Group.

   ~ Rewrite to use normative text!
   ~ Are you sure about the 2nd sentence? Isn't this association
between only 2 LSPs - one forward, one backward? In my reading, RFC
7551 is about 2 LSPs. If not, the use-case and handling need to be
explained.

   o  The Tunnel (as defined in [RFC3209]) of forward and reverse LSPs
      of the Single-sided Bidirectional LSP Association on the
      originating node MUST be the same.

   ~ Do you mean the Tunnel ID (as carried in LSP-IDENTIFIERS TLV
[RFC8231])? I ask because the source and destination would be opposite
for the forward and reverse LSPs in the LSP-IDENTIFIERS TLV? If yes,
then also add a restriction on the endpoint mismatch.

(3) We should be clear that existing forward or reverse LSP can be
bi-directionally associated. In this document, the focus seems to be
on initiation only. You have some text in section 5.1/5.2 but it would
be good to make it prominent something like Section-3.2 of RFC 7551.

(4) Include text for exchanging association types in the open message

   [RFC8697] specifies the mechanism for the capability advertisement of
   the Association types supported by a PCEP speaker by defining an
   ASSOC-Type-List TLV to be carried within an OPEN object.  This
   capability exchange for the Bidirectional LSP Association Types MUST be
   done before using the Bidirectional LSP Association.  Thus, the PCEP
   speaker MUST include the Bidirectional LSP Association Types in the
   ASSOC-Type-List TLV and MUST receive the same from the PCEP peer
   before using the Bidirectional LSP Association in PCEP messages.

(5) Error Reporting that needs to be added -

    ~ Bidirectional LSP Association types are not supported
    ~ Both LSPs marked as forward
    ~ Both LSPs marked as reverse
    ~ One direction LSP says co-routed, another direction non-co-routed
    ~ More than 2 LSPs in the group (if you agree with the comment in (2))

(6) For single-sided Bidirectional LSP, is the association information
configured on D? We claim this to be an operator-configured
association and thus want to make sure that is the case here!

=

Minor
******
- Global comment: Change RSVP to RSVP-TE in this I-D.
- Section 1:

   The MPLS Transport Profile (MPLS-TP) requirements document [RFC5654]
   specifies that MPLS-TP MUST support associated bidirectional point-
   to-point LSPs.  [RFC7551] defines RSVP signaling extensions for
   binding two reverse unidirectional LSPs [RFC3209] into an associated
   bidirectional LSP.  The fast reroute (FRR) procedures for associated
   bidirectional LSPs are described in [RFC8537].

~ The use of normative MUST in the first sentence is incorrect.
~ Reference to RFC 3209 seems out of place as that term is not used in the RFC

- Section 1.1: This summary feels out of place as we are yet to talk
about the single-sided and the double-sided bidirectional LSPs. You
can think about placing it after section 3.3. I was also wondering if
it makes sense to break the starting sentence (in the first 3 items)
into two, one for single-sided and another for double-sided. Also, the
last item about co-routed is mentioned in the context of stateless PCE
only - why?

- At the end of section 1, you should mention that this document
defines two association types (and corresponding association group)
and a Bidirectional LSP Association Group TLV with forward-references.
So that when they are mentioned in section 3 it is not out of the
blue.

- Section 3.1, Since we expect both endpoints to be PCC; better to
break it into 2 sentences.
  OLD:
   As specified in [RFC7551], in the single-sided case, the
   bidirectional tunnel is provisioned only on one endpoint node (PCC)
   of the tunnel.
  NEW:
   As specified in [RFC7551], in the single-sided case, the
   bidirectional tunnel is provisioned only on one endpoint node
   of the tunnel. Both endpoints act as a PCC.
  END

- Section 3.1, do you mean PathTear below?

   Similarly, the remote endpoint node deletes the
   reverse LSP when it receives the RSVP Path delete message [RFC3209]
   for the forward LSP.

   ~ It might be better to just refer to the RSVP-TE RFCs without
mentioning the message as the state could also be cleared in case of
other messages like PathErr.

- Section 3, for the figures, please add a legend so that the readers
understand what does F,R means? Maybe also the '0' as PLSP-ID=0.

- Section 4.2, cleaning up the text and adding MUST
OLD:
   The Bidirectional LSP Association Group TLV is defined for use with
   the Single-sided and Double-sided Bidirectional LSP Association Group
   Object Types.
NEW:
   The Bidirectional LSP Association Group TLV an OPTIONAL TLV for use with the
   Bidirectional LSP Associations (ASSOCIATION object with Association
   type = TBD1 for Single-sided or TBD2 for Double-sided).
END

- Section 4.2, Reserved should be called Flags field. You should say
unassigned flags MUST be set to zero and ignored on receipt. You would
then also align this section with the IANA section.

- Section 5.3, add a reference to RFC 8697. Do we need some mechanism
to tell computation failure, especially for the co-routed case?

=

Nits
******
- Expand PCEP in Title to Path Computation Element Communication Protocol
- Section 1: s/Path Computation Element Protocol (PCEP)/Path
Computation Element Communication Protocol (PCEP)/
- Section 1: To align with RFC 8697
  OLD:
   [RFC8697] introduces a generic mechanism to create a grouping of LSPs
   which can then be used to define associations between a set of LSPs
   and/or a set of attributes, for example primary and secondary LSP
   associations, and is equally applicable to the active and passive
   modes of a Stateful PCE [RFC8231] or a stateless PCE [RFC5440].
  NEW:
   [RFC8697] introduces a generic mechanism to create a grouping of LSPs.
   This grouping can then be used to define associations between
   sets of LSPs or between a set of LSPs and a set of attributes,
   and it is equally applicable to the stateful PCE (active and
   passive modes) and the stateless PCE.
  END

- Section 3:

   As shown in Figure 1, two reverse unidirectional LSPs can be grouped
   to form an associated bidirectional LSP.

~ Shouldn't this be 'forward and reverse' instead of 'two reverse'?

- Section 4: As per changes made in other association draft by the RFC-Editor
OLD:
   This document defines two new Association Types for the ASSOCIATION
   Object (Object-Class value 40) as follows:

   o  Association Type (TBD1) = Single-sided Bidirectional LSP
      Association Group

   o  Association Type (TBD2) = Double-sided Bidirectional LSP
      Association Group
NEW:
   This document defines two new Association types, called
   "Single-sided Bidirectional LSP" (TBD1) and "Double-sided
   Bidirectional LSP" (TBD2), based on the generic ASSOCIATION
   object.
END

- Section 4.2
  OLD:
   o  For co-routed LSPs, this TLV MUST be present.

   o  For reverse LSPs, this TLV MUST be present.
  NEW:
   o  For co-routed LSPs, this TLV MUST be present and C flag set.

   o  For reverse LSPs, this TLV MUST be present and R flag set.
  END

- Section 5.7, can the same error handling for PCC and PCE be changed
to use terms PCEP speaker and PCEP peer instead?
   ~ Applicable to other errors as well

- Section 9.1
  ~s/defined [RFC8697]/defined in [RFC8697]/
  OLD:
   This document adds new Association Types for the ASSOCIATION Object
   (Object-class value 40) defined [RFC8697].  IANA is requested to make
   the assignment of values for the sub-registry "ASSOCIATION Type"
   [RFC8697], as follows:
  NEW:
   This document defines two new Association types, originally described in
   [RFC8697].  IANA is requested to assigned the following new values in the
   "ASSOCIATION Type Field" subregistry [RFC8697] within the "Path
   Computation Element Protocol (PCEP) Numbers" registry:
  END
  ~ Remove 'group' from the name.

- Section 9.2.1, add 0-28 as Unassigned

- Acknowledgments: You are thanking me twice :)

==

Thanks!
Dhruv


From nobody Fri Oct 23 14:16:59 2020
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Subject: [Pce] pce - Requested session has been scheduled for IETF 109
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Dear Dhruv Dhody,

The session(s) that you have requested have been scheduled.
Below is the scheduled session information followed by
the original request. 


    pce Session 1 (2:00 requested)
    Thursday, 19 November 2020, Session I 1200-1400
    Room Name: Room 6 size: 506
    ---------------------------------------------


iCalendar: https://datatracker.ietf.org/meeting/109/sessions/pce.ics

Request Information:


---------------------------------------------------------
Working Group Name: Path Computation Element
Area Name: Routing Area
Session Requester: Dhruv Dhody


Number of Sessions: 1
Length of Session(s):  2 Hours
Number of Attendees: 75
Conflicts to Avoid: 
 Chair Conflict: spring teas ccamp
 Technology Overlap: panrg
 Key Participant Conflict: mpls rift rtgwg detnet idr lsr sfc pals opsawg bess netconf netmod 6man bier rtgarea raw nmrg lsvr ippm





People who must be present:
  Deborah Brungard
  Julien Meuric
  Dhruv Dhody
  Hariharan Ananthakrishnan

Resources Requested:

Special Requests:
  Do not schedule against RTG area BOF (if any)
---------------------------------------------------------



From nobody Tue Oct 27 08:11:58 2020
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Subject: [Pce] I-D Action: draft-ietf-pce-segment-routing-policy-cp-01.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Path Computation Element WG of the IETF.

        Title           : PCEP extension to support Segment Routing Policy Candidate Paths
        Authors         : Mike Koldychev
                          Siva Sivabalan
                          Colby Barth
                          Shuping Peng
                          Hooman Bidgoli
	Filename        : draft-ietf-pce-segment-routing-policy-cp-01.txt
	Pages           : 20
	Date            : 2020-10-27

Abstract:
   This document introduces a mechanism to specify a Segment Routing
   (SR) policy, as a collection of SR candidate paths.  An SR policy is
   identified by <headend, color, end-point> tuple.  An SR policy can
   contain one or more candidate paths where each candidate path is
   identified in PCEP via an PLSP-ID.  This document proposes extension
   to PCEP to support association among candidate paths of a given SR
   policy.  The mechanism proposed in this document is applicable to
   both MPLS and IPv6 data planes of SR.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-segment-routing-policy-cp/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-pce-segment-routing-policy-cp-01
https://datatracker.ietf.org/doc/html/draft-ietf-pce-segment-routing-policy-cp-01

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-segment-routing-policy-cp-01


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
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From: Rakesh Gandhi <rgandhi.ietf@gmail.com>
Date: Wed, 28 Oct 2020 09:11:16 -0400
Message-ID: <CAMZsk6d92v4w59g=_9vsAhv5DQCvxtu+=jJVkJHzGdCnL9UUJg@mail.gmail.com>
Cc: Dhruv Dhody <dd@dhruvdhody.com>, "pce@ietf.org" <pce@ietf.org>
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Subject: Re: [Pce] WG adoption poll for draft-stone-pce-local-protection-enforcement-02.
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--000000000000b5f9e205b2bae616
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Hi WG,
I support the WG adoption of this draft.

Thanks,
Rakesh


On Wed, Oct 21, 2020 at 5:43 PM Mike Koldychev (mkoldych) <mkoldych=
40cisco.com@dmarc.ietf.org> wrote:

> Hi,
>
> I have read the latest version of this document and I support WG adoption.
> It's useful for finer control of TI-LFA protection for SR-TE Policy.
>
> Thanks,
> Mike.
>
> -----Original Message-----
> From: Pce <pce-bounces@ietf.org> On Behalf Of Dhruv Dhody
> Sent: Wednesday, October 21, 2020 9:41 AM
> To: pce@ietf.org
> Subject: [Pce] WG adoption poll for
> draft-stone-pce-local-protection-enforcement-02.
>
> Hi WG,
>
> This email begins the WG adoption poll for
> draft-stone-pce-local-protection-enforcement-02.
>
>
> https://datatracker.ietf.org/doc/html/draft-stone-pce-local-protection-enforcement-02
>
> Should this draft be adopted by the PCE WG? Please state your reasons
> - Why / Why not? What needs to be fixed before or after adoption? Are you
> willing to work on this draft? Review comments should be posted to the list.
>
> This adoption poll will end on 9th Nov 2020 (Monday).
>
> Thanks!
> Dhruv & Julien
>
> _______________________________________________
> Pce mailing list
> Pce@ietf.org
> https://www.ietf.org/mailman/listinfo/pce
>

--000000000000b5f9e205b2bae616
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div>Hi WG, <br></div><div>I support the WG adoption of th=
is draft.</div><div><br></div><div>Thanks,</div><div>Rakesh</div><div><br><=
/div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">O=
n Wed, Oct 21, 2020 at 5:43 PM Mike Koldychev (mkoldych) &lt;mkoldych=3D<a =
href=3D"mailto:40cisco.com@dmarc.ietf.org">40cisco.com@dmarc.ietf.org</a>&g=
t; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0p=
x 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi,<br=
>
<br>
I have read the latest version of this document and I support WG adoption. =
It&#39;s useful for finer control of TI-LFA protection for SR-TE Policy.<br=
>
<br>
Thanks,<br>
Mike.<br>
<br>
-----Original Message-----<br>
From: Pce &lt;<a href=3D"mailto:pce-bounces@ietf.org" target=3D"_blank">pce=
-bounces@ietf.org</a>&gt; On Behalf Of Dhruv Dhody<br>
Sent: Wednesday, October 21, 2020 9:41 AM<br>
To: <a href=3D"mailto:pce@ietf.org" target=3D"_blank">pce@ietf.org</a><br>
Subject: [Pce] WG adoption poll for draft-stone-pce-local-protection-enforc=
ement-02.<br>
<br>
Hi WG,<br>
<br>
This email begins the WG adoption poll for draft-stone-pce-local-protection=
-enforcement-02.<br>
<br>
<a href=3D"https://datatracker.ietf.org/doc/html/draft-stone-pce-local-prot=
ection-enforcement-02" rel=3D"noreferrer" target=3D"_blank">https://datatra=
cker.ietf.org/doc/html/draft-stone-pce-local-protection-enforcement-02</a><=
br>
<br>
Should this draft be adopted by the PCE WG? Please state your reasons<br>
- Why / Why not? What needs to be fixed before or after adoption? Are you w=
illing to work on this draft? Review comments should be posted to the list.=
<br>
<br>
This adoption poll will end on 9th Nov 2020 (Monday).<br>
<br>
Thanks!<br>
Dhruv &amp; Julien<br>
<br>
_______________________________________________<br>
Pce mailing list<br>
<a href=3D"mailto:Pce@ietf.org" target=3D"_blank">Pce@ietf.org</a><br>
<a href=3D"https://www.ietf.org/mailman/listinfo/pce" rel=3D"noreferrer" ta=
rget=3D"_blank">https://www.ietf.org/mailman/listinfo/pce</a><br>
</blockquote></div></div>

--000000000000b5f9e205b2bae616--


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From: Benjamin Kaduk <kaduk@mit.edu>
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Subject: Re: [Pce] FW: I-D Action: draft-ietf-pce-pcep-flowspec-11.txt
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Hi Adrian,

It turns out that the tapes were still in the local safe awaiting transfer
to Utah.  Nonessential travel still restricted, and whatnot...

Thanks for the updates in the -11; I've change my position to No Objection.

Deborah: if I understand correctly, this one is ready to be approved.

-Ben

On Mon, Oct 05, 2020 at 03:34:28PM +0100, Adrian Farrel wrote:
> Alvaro and Ben,
> 
> Very sorry for delaying this progress so much and possibly causing your
> cache not only to be flushed, but the archive tapes sent to the fire-vault
> in Utah.
> 
> The last issue you had remaining was that 5575bis has removed the
> possibility of multiple Flow Specification components of the same type being
> present in one flow specification. We have aligned with this with two
> changes:
> - Added text to Section 7 saying:
>    As described in [I-D.ietf-idr-rfc5575bis]
>    where it says "A given component type MAY (exactly once) be present
>    in the Flow Specification," a Flow Filter TLV MUST NOT contain more
>    than one Flow Specification TLV of the same type: an implementation
>    that receives a PCEP message with a Flow Filter TLV that contains more
>    than one Flow Specification TLV of the same type MUST respond with a
>    PCErr message with error-type TBD8 (FlowSpec Error), error-value 2
>    (Malformed FlowSpec) and MUST NOT install the Flow Specification.
> - Section 8.4 has been rewritten to mainly say "use separate Flow 
>   Specification Objects for separate flow specifications"
> 
> This -11 revision picks up all other outstanding comments and nits.
> 
> Best,
> Adrian
> 
> -----Original Message-----
> From: I-D-Announce <i-d-announce-bounces@ietf.org> On Behalf Of
> internet-drafts@ietf.org
> Sent: 05 October 2020 15:27
> To: i-d-announce@ietf.org
> Cc: pce@ietf.org
> Subject: I-D Action: draft-ietf-pce-pcep-flowspec-11.txt
> 
> 
> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
> This draft is a work item of the Path Computation Element WG of the IETF.
> 
>         Title           : PCEP Extension for Flow Specification
>         Authors         : Dhruv Dhody
>                           Adrian Farrel
>                           Zhenbin Li
> 	Filename        : draft-ietf-pce-pcep-flowspec-11.txt
> 	Pages           : 37
> 	Date            : 2020-10-05
> 
> Abstract:
>    The Path Computation Element (PCE) is a functional component capable
>    of selecting paths through a traffic engineering network.  These
>    paths may be supplied in response to requests for computation, or may
>    be unsolicited requests issued by the PCE to network elements.  Both
>    approaches use the PCE Communication Protocol (PCEP) to convey the
>    details of the computed path.
> 
>    Traffic flows may be categorized and described using "Flow
>    Specifications".  RFC XXXX defines the Flow Specification and
>    describes how Flow Specification Components are used to describe
>    traffic flows.  RFC XXXX also defines how Flow Specifications may be
>    distributed in BGP to allow specific traffic flows to be associated
>    with routes.
> 
>    This document specifies a set of extensions to PCEP to support
>    dissemination of Flow Specifications.  This allows a PCE to indicate
>    what traffic should be placed on each path that it is aware of.
> 
>    The extensions defined in this document include the creation, update,
>    and withdrawal of Flow Specifications via PCEP, and can be applied to
>    tunnels initiated by the PCE or to tunnels where control is delegated
>    to the PCE by the PCC.  Furthermore, a PCC requesting a new path can
>    include Flow Specifications in the request to indicate the purpose of
>    the tunnel allowing the PCE to factor this into the path computation.
> 
>    RFC Editor Note: Please replace XXXX in the Abstract with the RFC
>    number assigned to draft-ietf-idr-rfc5575bis when it is published.
>    Please remove this note.
> 
> 
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-flowspec/
> 
> There are also htmlized versions available at:
> https://tools.ietf.org/html/draft-ietf-pce-pcep-flowspec-11
> https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-flowspec-11
> 
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-flowspec-11
> 
> 
> Please note that it may take a couple of minutes from the time of submission
> until the htmlized version and diff are available at tools.ietf.org.
> 
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
> 
> 
> _______________________________________________
> I-D-Announce mailing list
> I-D-Announce@ietf.org
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> Internet-Draft directories: http://www.ietf.org/shadow.html
> or ftp://ftp.ietf.org/ietf/1shadow-sites.txt
> 


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Subject: [Pce] I-D Action: draft-ietf-pce-pcep-flowspec-12.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Path Computation Element WG of the IETF.

        Title           : PCEP Extension for Flow Specification
        Authors         : Dhruv Dhody
                          Adrian Farrel
                          Zhenbin Li
	Filename        : draft-ietf-pce-pcep-flowspec-12.txt
	Pages           : 37
	Date            : 2020-10-30

Abstract:
   The Path Computation Element (PCE) is a functional component capable
   of selecting paths through a traffic engineering network.  These
   paths may be supplied in response to requests for computation, or may
   be unsolicited requests issued by the PCE to network elements.  Both
   approaches use the PCE Communication Protocol (PCEP) to convey the
   details of the computed path.

   Traffic flows may be categorized and described using "Flow
   Specifications".  RFC XXXX defines the Flow Specification and
   describes how Flow Specification Components are used to describe
   traffic flows.  RFC XXXX also defines how Flow Specifications may be
   distributed in BGP to allow specific traffic flows to be associated
   with routes.

   This document specifies a set of extensions to PCEP to support
   dissemination of Flow Specifications.  This allows a PCE to indicate
   what traffic should be placed on each path that it is aware of.

   The extensions defined in this document include the creation, update,
   and withdrawal of Flow Specifications via PCEP, and can be applied to
   tunnels initiated by the PCE or to tunnels where control is delegated
   to the PCE by the PCC.  Furthermore, a PCC requesting a new path can
   include Flow Specifications in the request to indicate the purpose of
   the tunnel allowing the PCE to factor this into the path computation.

   RFC Editor Note: Please replace XXXX in the Abstract with the RFC
   number assigned to draft-ietf-idr-rfc5575bis when it is published.
   Please remove this note.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-flowspec/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-pce-pcep-flowspec-12
https://datatracker.ietf.org/doc/html/draft-ietf-pce-pcep-flowspec-12

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-flowspec-12


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/



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Subject: [Pce] I-D Action: draft-ietf-pce-binding-label-sid-04.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Path Computation Element WG of the IETF.

        Title           : Carrying Binding Label/Segment-ID in PCE-based Networks.
        Authors         : Siva Sivabalan
                          Clarence Filsfils
                          Jeff Tantsura
                          Jonathan Hardwick
                          Stefano Previdi
                          Cheng Li
	Filename        : draft-ietf-pce-binding-label-sid-04.txt
	Pages           : 17
	Date            : 2020-10-31

Abstract:
   In order to provide greater scalability, network opacity, and service
   independence, Segment Routing (SR) utilizes a Binding Segment
   Identifier (BSID).  It is possible to associate a BSID to RSVP-TE
   signaled Traffic Engineering Label Switching Path or binding Segment-
   ID (SID) to SR Traffic Engineering path.  Such a binding label/SID
   can be used by an upstream node for steering traffic into the
   appropriate TE path to enforce SR policies.  This document proposes
   an approach for reporting binding label/SID to Path Computation
   Element (PCE) for supporting PCE-based Traffic Engineering policies.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-binding-label-sid/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-pce-binding-label-sid-04
https://datatracker.ietf.org/doc/html/draft-ietf-pce-binding-label-sid-04

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-binding-label-sid-04


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Subject: [Pce] I-D Action: draft-ietf-pce-pcep-yang-15.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Path Computation Element WG of the IETF.

        Title           : A YANG Data Model for Path Computation Element Communications Protocol (PCEP)
        Authors         : Dhruv Dhody
                          Jonathan Hardwick
                          Vishnu Pavan Beeram
                          Jeff Tantsura
	Filename        : draft-ietf-pce-pcep-yang-15.txt
	Pages           : 113
	Date            : 2020-10-31

Abstract:
   This document defines a YANG data model for the management of Path
   Computation Element communications Protocol (PCEP) for communications
   between a Path Computation Client (PCC) and a Path Computation
   Element (PCE), or between two PCEs.  The data model includes
   configuration and state data.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-yang/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-pce-pcep-yang-15
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Path Computation Element WG of the IETF.

        Title           : Carrying Binding Label/Segment-ID in PCE-based Networks.
        Authors         : Siva Sivabalan
                          Clarence Filsfils
                          Jeff Tantsura
                          Jonathan Hardwick
                          Stefano Previdi
                          Cheng Li
	Filename        : draft-ietf-pce-binding-label-sid-05.txt
	Pages           : 18
	Date            : 2020-10-31

Abstract:
   In order to provide greater scalability, network opacity, and service
   independence, Segment Routing (SR) utilizes a Binding Segment
   Identifier (BSID).  It is possible to associate a BSID to RSVP-TE
   signaled Traffic Engineering Label Switching Path or binding Segment-
   ID (SID) to SR Traffic Engineering path.  Such a binding label/SID
   can be used by an upstream node for steering traffic into the
   appropriate TE path to enforce SR policies.  This document proposes
   an approach for reporting binding label/SID to Path Computation
   Element (PCE) for supporting PCE-based Traffic Engineering policies.



The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-binding-label-sid/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-pce-binding-label-sid-05
https://datatracker.ietf.org/doc/html/draft-ietf-pce-binding-label-sid-05

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-binding-label-sid-05


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

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Subject: [Pce] =?utf-8?q?RFC_8934_on_PCE_Communication_Protocol_=28PCEP?= =?utf-8?q?=29_Extensions_for_Label_Switched_Path_=28LSP=29_Scheduling_wit?= =?utf-8?q?h_Stateful_PCE?=
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A new Request for Comments is now available in online RFC libraries.

        
        RFC 8934

        Title:      PCE Communication Protocol (PCEP) Extensions 
                    for Label Switched Path (LSP) Scheduling 
                    with Stateful PCE 
        Author:     H. Chen, Ed.,
                    Y. Zhuang, Ed.,
                    Q. Wu,
                    D. Ceccarelli
        Status:     Standards Track
        Stream:     IETF
        Date:       October 2020
        Mailbox:    huaimo.chen@futurewei.com, 
                    zhuangyan.zhuang@huawei.com, 
                    bill.wu@huawei.com,
                    daniele.ceccarelli@ericsson.com
        Pages:      23
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-pce-stateful-pce-lsp-scheduling-27.txt

        URL:        https://www.rfc-editor.org/info/rfc8934

        DOI:        10.17487/RFC8934

This document defines a set of extensions to the stateful PCE
Communication Protocol (PCEP) to enable Label Switched Path (LSP)
path computation, activation, setup, and deletion based on scheduled
time intervals for the LSP and the actual network resource usage in a
centralized network environment, as stated in RFC 8413.

This document is a product of the Path Computation Element Working Group of the IETF.

This is now a Proposed Standard.

STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements.  Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the 
standardization state and status of this protocol.  Distribution of this 
memo is unlimited.

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