Creates a communication object centered around the host in the list based on rank

Declaration Syntax

Parameters
- comm (String)
- communication call sign
- hosts (IList<(Of <(Host>)>))
- list of hosts participating in communication
- rank (Int32)
- rank of the service host
Assembly: Mpi (Module: Mpi) Version: 1.0.0.3 (1.0.0.3)