1. Routing Extensions for Discovery of Role-based MPLS Label Switching Router (MPLS LSR) Traffic Engineering (TE) Mesh Membership
Publication: IETF Individual Draft
Publication History: 2013-02-17
Publication URL: https://tools.ietf.org/html/draft-li-ccamp-role-based-automesh-00
Description:
A Traffic Engnieering (TE) mesh-group is defined as a group of Label Switch Routers (LSRs) that are connected by a full mesh of TE LSPs. Routing (OSPF and IS-IS) extensions for discovery Multiprotocol Label Switching (MPLS) LSR TE mesh membership has been defined to automate the creation of mesh of TE LSPs. This document introduces a role-based TE mesh-group that applies to the scenarios where full mesh TE LSPs are not necessary and TE LSPs setup depends on the roles of LSRs in a TE mesh-group. Interior Gateway Protocol (IGP) routing extensions for automatic discovery of role-based TE mesh membership are defined accordingly.
2. IGP Extensions for Automatic Computation of MPLS Traffic Engineering Path Using Traffic Engineering Layers and Areas
Publication: IETF Individual Draft
Publication History: 2013-09-24
Publication URL: https://tools.ietf.org/html/draft-li-ccamp-auto-mbb-te-path-00
Description:
As the network scale expands, especially in the mobile backhaul network, automatic computation of MPLS Traffic Engineering (TE) path becomes very important. But owing to requirements on the MPLS TE path, explicit path or affinity property has to be introduced for the path computation. This causes the complexity of MPLS TE path design. The document proposes an architecture and corresponding OSPF and ISIS extensions to improve automation on computation of MPLS TE path. MPLS TE networks are divided into different traffic engineering layers and areas according to the characteristics of the network topology. MPLS TE path can compute automatically based on traffic engineering layers and areas to satisfy major requirements to bear mobile network services.
3. Advertising Node Administrative Tags in OSPF
Publication: IETF RFC
Publication History: 2016-03
Publication URL: https://tools.ietf.org/html/rfc7777
Description:
This document describes an extension to the OSPF protocol to add an optional operational capability that allows tagging and grouping of the nodes in an OSPF domain. This allows simplification, ease of management and control over route and path selection based on configured policies. This document describes an extension to the OSPF protocol to advertise node administrative tags. The node tags can be used to express and apply locally defined network policies, which are a very useful operational capability. Node tags may be used by either OSPF itself or other applications consuming information propagated via OSPF. This document describes the protocol extensions to disseminate node administrative tags to the OSPFv2 and OSPFv3 protocol. It provides example use cases of administrative node tags.
4. Advertising Node Administrative Tags in IS-IS
Publication: IETF RFC
Publication History: 2016-07
Publication URL: https://tools.ietf.org/html/rfc7917
Description:
This document describes an extension to the IS-IS routing protocol to advertise node administrative tags. This optional capability allows tagging and grouping of the nodes in an IS-IS domain. The node administrative tags can be used to express and apply locally defined network policies, thereby providing a very useful operational capability. Node administrative tags may be used by either IS-IS itself or other applications consuming information propagated via IS- IS.