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Hierarchical Stateful Path Computation Element (PCE)

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Hierarchical Stateful Path Computation Element (PCE). / Dhody, Dhruv; Lee, Young; Ceccarelli, Danielle et al.
2020. 21 p.

Research output: Book/Report/ProceedingsCommissioned report

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Dhody D, Lee Y, Ceccarelli D, Shin J, King D. Hierarchical Stateful Path Computation Element (PCE). 2020. 21 p. doi: 10.17487/rfc8751

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Dhody, Dhruv ; Lee, Young ; Ceccarelli, Danielle et al. / Hierarchical Stateful Path Computation Element (PCE). 2020. 21 p.

Bibtex

@book{502cdf5057114b059a99078129e36129,
title = "Hierarchical Stateful Path Computation Element (PCE)",
abstract = " A stateful Path Computation Element (PCE) maintains information on the current network state received from the Path Computation Clients (PCCs), including computed Label Switched Paths (LSPs), reserved resources within the network, and pending path computation requests. This information may then be considered when computing the path for a new traffic-engineered LSP or for any associated/dependent LSPs. The path-computation response from a PCE helps the PCC to gracefully establish the computed LSP. The Hierarchical Path Computation Element (H-PCE) architecture allows the optimum sequence of interconnected domains to be selected and network policy to be applied if applicable, via the use of a hierarchical relationship between PCEs.Combining the capabilities of stateful PCE and the hierarchical PCE would be advantageous. This document describes general considerations and use cases for the deployment of stateful, but not stateless, PCEs using the hierarchical PCE architecture.",
author = "Dhruv Dhody and Young Lee and Danielle Ceccarelli and Jongyoon Shin and Daniel King",
year = "2020",
month = mar,
day = "1",
doi = "10.17487/rfc8751",
language = "English",

}

RIS

TY - BOOK

T1 - Hierarchical Stateful Path Computation Element (PCE)

AU - Dhody, Dhruv

AU - Lee, Young

AU - Ceccarelli, Danielle

AU - Shin, Jongyoon

AU - King, Daniel

PY - 2020/3/1

Y1 - 2020/3/1

N2 - A stateful Path Computation Element (PCE) maintains information on the current network state received from the Path Computation Clients (PCCs), including computed Label Switched Paths (LSPs), reserved resources within the network, and pending path computation requests. This information may then be considered when computing the path for a new traffic-engineered LSP or for any associated/dependent LSPs. The path-computation response from a PCE helps the PCC to gracefully establish the computed LSP. The Hierarchical Path Computation Element (H-PCE) architecture allows the optimum sequence of interconnected domains to be selected and network policy to be applied if applicable, via the use of a hierarchical relationship between PCEs.Combining the capabilities of stateful PCE and the hierarchical PCE would be advantageous. This document describes general considerations and use cases for the deployment of stateful, but not stateless, PCEs using the hierarchical PCE architecture.

AB - A stateful Path Computation Element (PCE) maintains information on the current network state received from the Path Computation Clients (PCCs), including computed Label Switched Paths (LSPs), reserved resources within the network, and pending path computation requests. This information may then be considered when computing the path for a new traffic-engineered LSP or for any associated/dependent LSPs. The path-computation response from a PCE helps the PCC to gracefully establish the computed LSP. The Hierarchical Path Computation Element (H-PCE) architecture allows the optimum sequence of interconnected domains to be selected and network policy to be applied if applicable, via the use of a hierarchical relationship between PCEs.Combining the capabilities of stateful PCE and the hierarchical PCE would be advantageous. This document describes general considerations and use cases for the deployment of stateful, but not stateless, PCEs using the hierarchical PCE architecture.

U2 - 10.17487/rfc8751

DO - 10.17487/rfc8751

M3 - Commissioned report

BT - Hierarchical Stateful Path Computation Element (PCE)

ER -