The ISIS protocol is an interior gateway protocol (IGP) that uses linkstate information to make routing decisions ISIS is a linkstate IGP that uses the shortestpathfirst (SPF) algorithm to determine routes ISIS evaluates the topology changes and determines whether to perform a full SPF recalculation or a partial route calculation (PRC)ISIS is a linkstate interior gateway routing protocol Like OSPF, ISIS runs the Dijkstra shortestpath first (SPF) algorithm to create a database of the network's topology and, from that database, to determine the best (that is, shortest) path to a destinationISIS is an extendible intradomain routing protocol Each router in the routing domain issues an Link State Protocol Data Unit (LSP) that contains information pertaining to that router The LSP contains typed variablelength data, often referred to as TLVs (typelengthvalues)
What Is An Edge Device And Why Is It So Crucial To Iiot
