Abstract
As a research task, the authors define the features of the use of the resource reservation protocol (RSVP) in modern networks of MPLS (Multi protocol label switching) technology, which provides an increase in the throughput of delay-sensitive voice and video traffic. The RSVP protocol allows you to transfer requirements for the level of Quality of Service (QoS) with reference to data flows. The article discusses the characteristics of the RSVP protocol. The use of RSVP of three reservation styles is considered, as well as an extension of RSVP that supports better QoS, the establishment of explicit routable paths (LSP) with or without reservation, the possibility of LSP redirection. The benefits of segment routing (SR) are discussed in giving the network operator more control over the network, simplifying the network, and supporting class of service. It also discusses the protection mechanisms for MPLS-TE tunnels to provide failover.
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