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Diff_ draft-ietf-pce-stateful-sync-optimizations-09.txt - draft-ietf-pce-stateful-sync-optimizations-10.txt.html
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<tbody><tr id="part-1" bgcolor="orange"><th></th><th><a href="https://tools.ietf.org/rfcdiff?url2=draft-ietf-pce-stateful-sync-optimizations-09.txt" style="color:#008; text-decoration:none;"><</a> <a href="https://tools.ietf.org/html/draft-ietf-pce-stateful-sync-optimizations-09.txt" style="color:#008">draft-ietf-pce-stateful-sync-optimizations-09.txt</a> </th><th> </th><th> <a href="https://tools.ietf.org/html/draft-ietf-pce-stateful-sync-optimizations-10.txt" style="color:#008">draft-ietf-pce-stateful-sync-optimizations-10.txt</a> <a href="https://tools.ietf.org/rfcdiff?url1=draft-ietf-pce-stateful-sync-optimizations-10.txt" style="color:#008; text-decoration:none;">></a></th><th></th></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left">PCE Working Group E. Crabbe</td><td> </td><td class="right">PCE Working Group E. Crabbe</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left">Internet-Draft Oracle</td><td> </td><td class="right">Internet-Draft Oracle</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left">Intended status: Standards Track I. Minei</td><td> </td><td class="right">Intended status: Standards Track I. Minei</td><td class="lineno"></td></tr>
<tr id="diff0001"><td></td></tr>
<tr><td class="lineno"></td><td class="lblock">Expires: September <span class="delete">1, 2017 </span> Google, Inc.</td><td> </td><td class="rblock">Expires: September <span class="insert">28, 2017</span> Google, Inc.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> J. Medved</td><td> </td><td class="right"> J. Medved</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Cisco Systems, Inc.</td><td> </td><td class="right"> Cisco Systems, Inc.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> R. Varga</td><td> </td><td class="right"> R. Varga</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Pantheon Technologies SRO</td><td> </td><td class="right"> Pantheon Technologies SRO</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> X. Zhang</td><td> </td><td class="right"> X. Zhang</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> D. Dhody</td><td> </td><td class="right"> D. Dhody</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Huawei Technologies</td><td> </td><td class="right"> Huawei Technologies</td><td class="lineno"></td></tr>
<tr id="diff0002"><td></td></tr>
<tr><td class="lineno"></td><td class="lblock"> <span class="delete">February 28</span>, 2017</td><td> </td><td class="rblock"> <span class="insert"> March 27</span>, 2017</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Optimizations of Label Switched Path State Synchronization Procedures</td><td> </td><td class="right"> Optimizations of Label Switched Path State Synchronization Procedures</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> for a Stateful PCE</td><td> </td><td class="right"> for a Stateful PCE</td><td class="lineno"></td></tr>
<tr id="diff0003"><td></td></tr>
<tr><td class="lineno"></td><td class="lblock"> draft-ietf-pce-stateful-sync-optimizations-<span class="delete">09</span></td><td> </td><td class="rblock"> draft-ietf-pce-stateful-sync-optimizations-<span class="insert">10</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left">Abstract</td><td> </td><td class="right">Abstract</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> A stateful Path Computation Element (PCE) has access to not only the</td><td> </td><td class="right"> A stateful Path Computation Element (PCE) has access to not only the</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> information disseminated by the network's Interior Gateway Protocol</td><td> </td><td class="right"> information disseminated by the network's Interior Gateway Protocol</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> (IGP), but also the set of active paths and their reserved resources</td><td> </td><td class="right"> (IGP), but also the set of active paths and their reserved resources</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> for its computation. The additional Label Switched Path (LSP) state</td><td> </td><td class="right"> for its computation. The additional Label Switched Path (LSP) state</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> information allows the PCE to compute constrained paths while</td><td> </td><td class="right"> information allows the PCE to compute constrained paths while</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> considering individual LSPs and their interactions. This requires a</td><td> </td><td class="right"> considering individual LSPs and their interactions. This requires a</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> state synchronization mechanism between the PCE and the network, PCE</td><td> </td><td class="right"> state synchronization mechanism between the PCE and the network, PCE</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr id="part-2" class="change"><td></td><th><small>skipping to change at</small><a href="https://tools.ietf.org/rfcdiff#part-2"><em> page 2, line 12<span class="hide"> ¶</span></em></a></th><th> </th><th><small>skipping to change at</small><a href="https://tools.ietf.org/rfcdiff#part-2"><em> page 2, line 12<span class="hide"> ¶</span></em></a></th><td></td></tr>
<tr><td class="lineno"></td><td class="left"> Internet-Drafts are working documents of the Internet Engineering</td><td> </td><td class="right"> Internet-Drafts are working documents of the Internet Engineering</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Task Force (IETF). Note that other groups may also distribute</td><td> </td><td class="right"> Task Force (IETF). Note that other groups may also distribute</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> working documents as Internet-Drafts. The list of current Internet-</td><td> </td><td class="right"> working documents as Internet-Drafts. The list of current Internet-</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Drafts is at http://datatracker.ietf.org/drafts/current/.</td><td> </td><td class="right"> Drafts is at http://datatracker.ietf.org/drafts/current/.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Internet-Drafts are draft documents valid for a maximum of six months</td><td> </td><td class="right"> Internet-Drafts are draft documents valid for a maximum of six months</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> and may be updated, replaced, or obsoleted by other documents at any</td><td> </td><td class="right"> and may be updated, replaced, or obsoleted by other documents at any</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> time. It is inappropriate to use Internet-Drafts as reference</td><td> </td><td class="right"> time. It is inappropriate to use Internet-Drafts as reference</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> material or to cite them other than as "work in progress."</td><td> </td><td class="right"> material or to cite them other than as "work in progress."</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr id="diff0004"><td></td></tr>
<tr><td class="lineno"></td><td class="lblock"> This Internet-Draft will expire on September <span class="delete">1</span>, 2017.</td><td> </td><td class="rblock"> This Internet-Draft will expire on September <span class="insert">28</span>, 2017.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left">Copyright Notice</td><td> </td><td class="right">Copyright Notice</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Copyright (c) 2017 IETF Trust and the persons identified as the</td><td> </td><td class="right"> Copyright (c) 2017 IETF Trust and the persons identified as the</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> document authors. All rights reserved.</td><td> </td><td class="right"> document authors. All rights reserved.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> This document is subject to BCP 78 and the IETF Trust's Legal</td><td> </td><td class="right"> This document is subject to BCP 78 and the IETF Trust's Legal</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Provisions Relating to IETF Documents</td><td> </td><td class="right"> Provisions Relating to IETF Documents</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> (http://trustee.ietf.org/license-info) in effect on the date of</td><td> </td><td class="right"> (http://trustee.ietf.org/license-info) in effect on the date of</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> publication of this document. Please review these documents</td><td> </td><td class="right"> publication of this document. Please review these documents</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr id="part-3" class="change"><td></td><th><small>skipping to change at</small><a href="https://tools.ietf.org/rfcdiff#part-3"><em> page 3, line 18<span class="hide"> ¶</span></em></a></th><th> </th><th><small>skipping to change at</small><a href="https://tools.ietf.org/rfcdiff#part-3"><em> page 3, line 18<span class="hide"> ¶</span></em></a></th><td></td></tr>
<tr><td class="lineno"></td><td class="left"> 9.2. Information and Data Models . . . . . . . . . . . . . . . 21</td><td> </td><td class="right"> 9.2. Information and Data Models . . . . . . . . . . . . . . . 21</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> 9.3. Liveness Detection and Monitoring . . . . . . . . . . . . 22</td><td> </td><td class="right"> 9.3. Liveness Detection and Monitoring . . . . . . . . . . . . 22</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> 9.4. Verify Correct Operations . . . . . . . . . . . . . . . . 22</td><td> </td><td class="right"> 9.4. Verify Correct Operations . . . . . . . . . . . . . . . . 22</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> 9.5. Requirements On Other Protocols . . . . . . . . . . . . . 22</td><td> </td><td class="right"> 9.5. Requirements On Other Protocols . . . . . . . . . . . . . 22</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> 9.6. Impact On Network Operations . . . . . . . . . . . . . . 22</td><td> </td><td class="right"> 9.6. Impact On Network Operations . . . . . . . . . . . . . . 22</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> 10. Security Considerations . . . . . . . . . . . . . . . . . . . 22</td><td> </td><td class="right"> 10. Security Considerations . . . . . . . . . . . . . . . . . . . 22</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> 11. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 23</td><td> </td><td class="right"> 11. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 23</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> 12. Contributors . . . . . . . . . . . . . . . . . . . . . . . . 23</td><td> </td><td class="right"> 12. Contributors . . . . . . . . . . . . . . . . . . . . . . . . 23</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> 13. References . . . . . . . . . . . . . . . . . . . . . . . . . 23</td><td> </td><td class="right"> 13. References . . . . . . . . . . . . . . . . . . . . . . . . . 23</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> 13.1. Normative References . . . . . . . . . . . . . . . . . . 23</td><td> </td><td class="right"> 13.1. Normative References . . . . . . . . . . . . . . . . . . 23</td><td class="lineno"></td></tr>
<tr id="diff0005"><td></td></tr>
<tr><td class="lineno"></td><td class="lblock"> 13.2. Informative References . . . . . . . . . . . . . . . . . 2<span class="delete">3</span></td><td> </td><td class="rblock"> 13.2. Informative References . . . . . . . . . . . . . . . . . 2<span class="insert">4</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 24</td><td> </td><td class="right"> Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 24</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left">1. Introduction</td><td> </td><td class="right">1. Introduction</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> The Path Computation Element Communication Protocol (PCEP) provides</td><td> </td><td class="right"> The Path Computation Element Communication Protocol (PCEP) provides</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> mechanisms for Path Computation Elements (PCEs) to perform path</td><td> </td><td class="right"> mechanisms for Path Computation Elements (PCEs) to perform path</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> computations in response to Path Computation Clients (PCCs) requests.</td><td> </td><td class="right"> computations in response to Path Computation Clients (PCCs) requests.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> [I-D.ietf-pce-stateful-pce] describes a set of extensions to PCEP to</td><td> </td><td class="right"> [I-D.ietf-pce-stateful-pce] describes a set of extensions to PCEP to</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> provide stateful control. A stateful PCE has access to not only the</td><td> </td><td class="right"> provide stateful control. A stateful PCE has access to not only the</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr id="part-4" class="change"><td></td><th><small>skipping to change at</small><a href="https://tools.ietf.org/rfcdiff#part-4"><em> page 22, line 45<span class="hide"> ¶</span></em></a></th><th> </th><th><small>skipping to change at</small><a href="https://tools.ietf.org/rfcdiff#part-4"><em> page 22, line 45<span class="hide"> ¶</span></em></a></th><td></td></tr>
<tr><td class="lineno"></td><td class="left">10. Security Considerations</td><td> </td><td class="right">10. Security Considerations</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> The security considerations listed in [I-D.ietf-pce-stateful-pce]</td><td> </td><td class="right"> The security considerations listed in [I-D.ietf-pce-stateful-pce]</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> apply to this document as well. However, this document also</td><td> </td><td class="right"> apply to this document as well. However, this document also</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> introduces some new attack vectors. An attacker could spoof the</td><td> </td><td class="right"> introduces some new attack vectors. An attacker could spoof the</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> SPEAKER-ENTITY-ID and pretend to be another PCEP speaker. An</td><td> </td><td class="right"> SPEAKER-ENTITY-ID and pretend to be another PCEP speaker. An</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> attacker may flood the PCC with triggered re-synchronization request</td><td> </td><td class="right"> attacker may flood the PCC with triggered re-synchronization request</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> at a rate which exceeds the PCC's ability to process them, either by</td><td> </td><td class="right"> at a rate which exceeds the PCC's ability to process them, either by</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> spoofing messages or by compromising the PCE itself. The PCC can</td><td> </td><td class="right"> spoofing messages or by compromising the PCE itself. The PCC can</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> respond with PCErr message as described in Section 6.2 and terminate</td><td> </td><td class="right"> respond with PCErr message as described in Section 6.2 and terminate</td><td class="lineno"></td></tr>
<tr id="diff0006"><td></td></tr>
<tr><td class="lineno"></td><td class="lblock"> the session. Thus securing the PCEP session using <span class="delete">mechanism like TCP</span></td><td> </td><td class="rblock"> the session. Thus securing the PCEP session using Transport Layer</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="lblock"><span class="delete"> Authentication Option (TCP-AO) [RFC5925] or</span> Transport Layer Security</td><td> </td><td class="rblock"> Security (TLS) <span class="insert">[I-D.ietf-pce-pceps], as per the recommendations and</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="lblock"> (TLS) <span class="delete">[I-D.ietf-pce-pceps]</span> is RECOMMENDED.</td><td> </td><td class="rblock"><span class="insert"> best current practices in [RFC7525],</span> is RECOMMENDED. <span class="insert">An</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> administrator could also expose the speaker entity id as part of the</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> certificate, for the peer identity verification.</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left">11. Acknowledgments</td><td> </td><td class="right">11. Acknowledgments</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> We would like to thank Young Lee, Sergio Belotti and Cyril Margaria</td><td> </td><td class="right"> We would like to thank Young Lee, Sergio Belotti and Cyril Margaria</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> for their comments and discussions.</td><td> </td><td class="right"> for their comments and discussions.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Thanks to Jonathan Hardwick for being the document shepherd and</td><td> </td><td class="right"> Thanks to Jonathan Hardwick for being the document shepherd and</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> provide comments and guidance.</td><td> </td><td class="right"> provide comments and guidance.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Thanks to Tomonori Takeda for Routing Area Directorate review.</td><td> </td><td class="right"> Thanks to Tomonori Takeda for Routing Area Directorate review.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Thanks to Adrian Farrel for TSVART review and providing detailed</td><td> </td><td class="right"> Thanks to Adrian Farrel for TSVART review and providing detailed</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> comments and suggestions.</td><td> </td><td class="right"> comments and suggestions.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr id="diff0007"><td></td></tr>
<tr><td class="lineno"></td><td class="lblock"></td><td> </td><td class="rblock"> <span class="insert">Thanks to Daniel Franke for SECDIR review.</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"></span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> Thanks to Alvaro Retana, Kathleen Moriarty, and Stephen Farrell for</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> comments during the IESG evaluation.</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"></span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> Thanks to Deborah Brungard for being the responsible AD and guiding</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> the authors as needed.</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="lblock"></td><td> </td><td class="rblock"> </td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left">12. Contributors</td><td> </td><td class="right">12. Contributors</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Gang Xie</td><td> </td><td class="right"> Gang Xie</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Huawei Technologies</td><td> </td><td class="right"> Huawei Technologies</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> F3-5-B R&D Center, Huawei Industrial Base, Bantian, Longgang District</td><td> </td><td class="right"> F3-5-B R&D Center, Huawei Industrial Base, Bantian, Longgang District</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Shenzhen, Guangdong, 518129</td><td> </td><td class="right"> Shenzhen, Guangdong, 518129</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> P.R. China</td><td> </td><td class="right"> P.R. China</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Email: [email protected]</td><td> </td><td class="right"> Email: [email protected]</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left">13. References</td><td> </td><td class="right">13. References</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr id="part-5" class="change"><td></td><th><small>skipping to change at</small><a href="https://tools.ietf.org/rfcdiff#part-5"><em> page 23, line 48<span class="hide"> ¶</span></em></a></th><th> </th><th><small>skipping to change at</small><a href="https://tools.ietf.org/rfcdiff#part-5"><em> page 24, line 7<span class="hide"> ¶</span></em></a></th><td></td></tr>
<tr><td class="lineno"></td><td class="left"> DOI 10.17487/RFC2119, March 1997,</td><td> </td><td class="right"> DOI 10.17487/RFC2119, March 1997,</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> <http://www.rfc-editor.org/info/rfc2119>.</td><td> </td><td class="right"> <http://www.rfc-editor.org/info/rfc2119>.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> [RFC5440] Vasseur, JP., Ed. and JL. Le Roux, Ed., "Path Computation</td><td> </td><td class="right"> [RFC5440] Vasseur, JP., Ed. and JL. Le Roux, Ed., "Path Computation</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Element (PCE) Communication Protocol (PCEP)", RFC 5440,</td><td> </td><td class="right"> Element (PCE) Communication Protocol (PCEP)", RFC 5440,</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> DOI 10.17487/RFC5440, March 2009,</td><td> </td><td class="right"> DOI 10.17487/RFC5440, March 2009,</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> <http://www.rfc-editor.org/info/rfc5440>.</td><td> </td><td class="right"> <http://www.rfc-editor.org/info/rfc5440>.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left">13.2. Informative References</td><td> </td><td class="right">13.2. Informative References</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr id="diff0008"><td></td></tr>
<tr><td class="lineno"></td><td class="lblock"> <span class="delete">[RFC5925] Touch, J., Mankin, A.,</span> and <span class="delete">R. Bonica, "The TCP</span></td><td> </td><td class="rblock"> <span class="insert">[RFC7525] Sheffer, Y., Holz, R.,</span> and <span class="insert">P. Saint-Andre,</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="lblock"><span class="delete"> Authentication Option",</span> RFC <span class="delete">5925,</span> DOI <span class="delete">10.17487/RFC5925,</span></td><td> </td><td class="rblock"><span class="insert"> "Recommendations for Secure Use of Transport Layer</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="lblock"><span class="delete"> June 2010, <http://www.rfc-editor.org/info/rfc5925>.</span></td><td> </td><td class="rblock"><span class="insert"> Security (TLS) and Datagram Transport Layer Security</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> (DTLS)", BCP 195,</span> RFC <span class="insert">7525,</span> DOI <span class="insert">10.17487/RFC7525, May</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> 2015, <http://www.rfc-editor.org/info/rfc7525>.</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> [RFC8051] Zhang, X., Ed. and I. Minei, Ed., "Applicability of a</td><td> </td><td class="right"> [RFC8051] Zhang, X., Ed. and I. Minei, Ed., "Applicability of a</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Stateful Path Computation Element (PCE)", RFC 8051,</td><td> </td><td class="right"> Stateful Path Computation Element (PCE)", RFC 8051,</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> DOI 10.17487/RFC8051, January 2017,</td><td> </td><td class="right"> DOI 10.17487/RFC8051, January 2017,</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> <http://www.rfc-editor.org/info/rfc8051>.</td><td> </td><td class="right"> <http://www.rfc-editor.org/info/rfc8051>.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> [I-D.ietf-pce-pcep-yang]</td><td> </td><td class="right"> [I-D.ietf-pce-pcep-yang]</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Dhody, D., Hardwick, J., Beeram, V., and j.</td><td> </td><td class="right"> Dhody, D., Hardwick, J., Beeram, V., and j.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> [email protected], "A YANG Data Model for Path</td><td> </td><td class="right"> [email protected], "A YANG Data Model for Path</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Computation Element Communications Protocol (PCEP)",</td><td> </td><td class="right"> Computation Element Communications Protocol (PCEP)",</td><td class="lineno"></td></tr>
<tr id="diff0009"><td></td></tr>
<tr><td class="lineno"></td><td class="lblock"> <span class="delete">draft-ietf-pce-pcep-yang-01</span> (work in progress), <span class="delete">October</span></td><td> </td><td class="rblock"> <span class="insert">draft-ietf-pce-pcep-yang-02</span> (work in progress), <span class="insert">March</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="lblock"><span class="delete"> 2016.</span></td><td> </td><td class="rblock"><span class="insert"> 2017.</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> [I-D.ietf-pce-pceps]</td><td> </td><td class="right"> [I-D.ietf-pce-pceps]</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Lopez, D., Dios, O., Wu, W., and D. Dhody, "Secure</td><td> </td><td class="right"> Lopez, D., Dios, O., Wu, W., and D. Dhody, "Secure</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Transport for PCEP", draft-ietf-pce-pceps-11 (work in</td><td> </td><td class="right"> Transport for PCEP", draft-ietf-pce-pceps-11 (work in</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> progress), January 2017.</td><td> </td><td class="right"> progress), January 2017.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left">Authors' Addresses</td><td> </td><td class="right">Authors' Addresses</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Edward Crabbe</td><td> </td><td class="right"> Edward Crabbe</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Oracle</td><td> </td><td class="right"> Oracle</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr id="part-6" class="change"><td></td><th><small>skipping to change at</small><a href="https://tools.ietf.org/rfcdiff#part-6"><em> page 24, line 36<span class="hide"> ¶</span></em></a></th><th> </th><th><small>skipping to change at</small><a href="https://tools.ietf.org/rfcdiff#part-6"><em> page 25, line 4<span class="hide"> ¶</span></em></a></th><td></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> EMail: [email protected]</td><td> </td><td class="right"> EMail: [email protected]</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Ina Minei</td><td> </td><td class="right"> Ina Minei</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Google, Inc.</td><td> </td><td class="right"> Google, Inc.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> 1600 Amphitheatre Parkway</td><td> </td><td class="right"> 1600 Amphitheatre Parkway</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Mountain View, CA 94043</td><td> </td><td class="right"> Mountain View, CA 94043</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> US</td><td> </td><td class="right"> US</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> EMail: [email protected]</td><td> </td><td class="right"> EMail: [email protected]</td><td class="lineno"></td></tr>
<tr id="diff0010"><td></td></tr>
<tr><td class="lineno"></td><td class="lblock"><span class="delete"> </span></td><td> </td><td class="rblock"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Jan Medved</td><td> </td><td class="right"> Jan Medved</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Cisco Systems, Inc.</td><td> </td><td class="right"> Cisco Systems, Inc.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> 170 West Tasman Dr.</td><td> </td><td class="right"> 170 West Tasman Dr.</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> San Jose, CA 95134</td><td> </td><td class="right"> San Jose, CA 95134</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> US</td><td> </td><td class="right"> US</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> EMail: [email protected]</td><td> </td><td class="right"> EMail: [email protected]</td><td class="lineno"></td></tr>
<tr id="diff0011"><td></td></tr>
<tr><td class="lineno"></td><td class="lblock"></td><td> </td><td class="rblock"><span class="insert"> </span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Robert Varga</td><td> </td><td class="right"> Robert Varga</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Pantheon Technologies SRO</td><td> </td><td class="right"> Pantheon Technologies SRO</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Mlynske Nivy 56</td><td> </td><td class="right"> Mlynske Nivy 56</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Bratislava 821 05</td><td> </td><td class="right"> Bratislava 821 05</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Slovakia</td><td> </td><td class="right"> Slovakia</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr id="diff0012"><td></td></tr>
<tr><td class="lineno"></td><td class="lblock"> EMail: robert.varga@pantheon.<span class="delete">sk</span></td><td> </td><td class="rblock"> EMail: robert.varga@pantheon.<span class="insert">tech</span></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Xian Zhang</td><td> </td><td class="right"> Xian Zhang</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Huawei Technologies</td><td> </td><td class="right"> Huawei Technologies</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> F3-5-B R&D Center, Huawei Industrial Base, Bantian, Longgang District</td><td> </td><td class="right"> F3-5-B R&D Center, Huawei Industrial Base, Bantian, Longgang District</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Shenzhen, Guangdong 518129</td><td> </td><td class="right"> Shenzhen, Guangdong 518129</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> P.R.China</td><td> </td><td class="right"> P.R.China</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> EMail: [email protected]</td><td> </td><td class="right"> EMail: [email protected]</td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"></td><td> </td><td class="right"></td><td class="lineno"></td></tr>
<tr><td class="lineno"></td><td class="left"> Dhruv Dhody</td><td> </td><td class="right"> Dhruv Dhody</td><td class="lineno"></td></tr>
<tr><td></td><td class="left"></td><td> </td><td class="right"></td><td></td></tr>
<tr id="end" bgcolor="gray"><th colspan="5" align="center"> End of changes. 12 change blocks. </th></tr>
<tr class="stats"><td></td><th><i>15 lines changed or deleted</i></th><th><i> </i></th><th><i>27 lines changed or added</i></th><td></td></tr>
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