PublisherACM Press. Association for Computing Machinery
Rights accessOpen Access
The Locator/Identifier Separation Protocol (LISP) is one of the candidate solutions to address the scalability issues in
inter-domain routing. The current proposals for its control plane (e.g., ALT, CONS, NERD) have various shortcomings, including the potential dropping of packets at LISP routers during the resolution of the EID-to-RLOC mapping. In this paper, we introduce a new Control Plane (CP) for LISP supported by an architecture that borrows concepts from both the Path Computation Element (PCE) and Intelligent Route Control (IRC). Our CP is able to tackle three different problems simultaneously: (i) packets sourced from end-hosts are
neither dropped nor queued during the mapping resolution; (ii) the EID-to-RLOC mapping can be obtained and configured
approximately within the DNS resolution time needed to fetch the destination EID address; and (iii) our approach can blend IRC with the PCE capabilities, to perform upstream/
downstream Traffic Engineering (TE) through the dynamic management of the mappings. In particular, our CP supports the utilization of different LISP ingress and egress local routers for the same flow sourced from a domain.
CitationCastro, A. [et al.]. Advantages of a PCE-based control plane for LISP. A: 4th ACM International Conference on emerging Networking EXperiments and Technologies - ACM CoNEXT 2008. "4th International Conference on Emerging Networking EXperiments and Technologies". Madrid: ACM Press. Association for Computing Machinery.
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