LDP Over RSVP-TE

Considering the available label distribution protocols in MPLS networks, RSVP-TE and LDP are the de-facto standards. LDP is quite popular, however, one of its main limitations is the lack of traffic engineering support–ignoring CR-LDP for now. Sometimes even small networks can benefit from steering traffic one way or another to avoid potential congestion scenarios and/or underutilised links. This post looks at how LDP over RSVP-TE works in small Juniper MX core network deployment primarily running LDP as its main label distribution protocol.

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