From: Lsr <lsr-boun...@ietf.org> on behalf of Robert Raszuk <rob...@raszuk.net> Date: Friday, December 4, 2020 at 2:37 AM To: lsr <lsr@ietf.org>, Tony Li <tony1ath...@gmail.com> Cc: Jeff Tantsura <jefftant.i...@gmail.com>, Gyan Mishra <hayabusa...@gmail.com>, Aijun Wang <wangai...@tsinghua.org.cn>, "Acee Lindem (acee)" <acee=40cisco....@dmarc.ietf.org> Subject: [Lsr] Flexible Algorithm - TE or not TE
Hi, Adjusting subject to reflect topic. Wow .. I did not think this will start such a debate :) To TE or not to TE – that is the question… You guys obviously have more time on your hands than myself but feel free to continue 😉 Thanks, Acee To me this is actually very simple. Flex Algo is still IMO an SPF with additional two new factors: * You have ability to exclude links or nodes from your computation * You run traditional SPF based on any metric (static or dynamic) you can imagine Did I miss something? Yes the above will allow you to steer traffic other then based on the IGP metric, but as you all recall when we started to deploy MPLS-TE Cariden was claiming that they can accomplish TE without MPLS too by properly adjusting IGP metrics while observing traffic demands. Cheers, Robert
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