RSVP-TE Overview

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DC-RSVP
Data Connection is the leading supplier of MPLS software, including RSVP-TE and its optical extensions

RSVP-TE is used to establish MPLS LSPs when there are traffic engineering requirements. It is mainly used to provide QoS and load balancing across the network core, and includes the ability to control all-optical networks.

RSVP allows the use of source routing where the ingress router determines the complete path through the network. The ingress router can use a Constrained Shortest Path First (CSPF) calculator to determine a path to the destination, ensuring that any QoS and Shared Risk Link Group (SRLG) requirements are met. The resulting path is then used to establish the LSP.

The RSVP optical extensions include the ability to signal optical wavelengths and shared risk link groups, as well as bandwidth, latency and other link characteristics.

Data Connection's MPLS software, DC-MPLS, fully supports RSVP-TE, including its optical extensions. For more information on DC-MPLS, see the link below.


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For more information about Data Connection's MPLS products and expertise contact dcmpls@dataconnection.com.