A machine readable storage having stored thereon, a computer program having a plurality of code sections for exposing a node, said code sections executable by a machine for causing the machine to perform the steps of:
- obtaining from a display map, a reference to a node which is displayable in said display map, said node representing a component in a complex heterogeneous system;
- and
- providing an updated value for said component to said display map, said display map updating a display of said node, said updated display of said node reflecting said updated value.