{"draft":"","doc_id":"RFC2189","title":" Core Based Trees (CBT version 2) Multicast Routing -- Protocol Specification -- ","authors":["A. Ballardie"],"format":["ASCII","HTML"],"page_count":"23","pub_status":"EXPERIMENTAL","status":"HISTORIC","source":"Inter-Domain Multicast Routing","abstract":" This document describes the Core Based Tree (CBT version 2) network layer multicast routing protocol. CBT builds a shared multicast distribution tree per group, and is suited to inter- and intra-domain multicast routing.  This memo defines an Experimental Protocol for the Internet community.  ","pub_date":"August 1997","keywords":["Inter-Domain-Protocol","IDMR"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC2189","errata_url":null}