Beyond MPLS ... Less is More. - Chris Metz 001; Colby Barth; Clarence Filsfils (IEEE Internet Comput., 2007)

Path Computation Element Communication Protocol (PCEP) Extensions for Associating Working and Protection Label Switched Paths (LSPs) with Stateful PCE. - Hariharan Ananthakrishnan; Siva Sivabalan; Colby Barth; Ina Minei; Mahendra Singh Negi (RFC, 2020)

Path Computation Element Communication Protocol (PCEP) Extension for Label Switched Path (LSP) Diversity Constraint Signaling. - Stephane Litkowski; Siva Sivabalan; Colby Barth; Mahendra Singh Negi (RFC, 2020)

Path Computation Element Communication Protocol (PCEP) Extensions for Associated Bidirectional Label Switched Paths (LSPs). - Rakesh Gandhi; Colby Barth; Bin Wen (RFC, 2021)