PCEP Link State Abstraction

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Last updated 2018-09-06 (latest revision 2018-03-05)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document presents extensions to the Path Computation Element Communication Protocol (PCEP) for a child PCE to abstract its domain information to its parent for supporting a hierarchical PCE system.


Huaimo Chen (huaimo.chen@huawei.com)
Mehmet Toy (mehmet.toy@verizon.com)
Xufeng Liu (xufeng_liu@jabil.com)
Lei Liu (lliu@us.fujitsu.com)
Zhenqiang Li (li_zhenqiang@hotmail.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)