: Some technical patches and sample pages (e.g., regarding Mode Management or Data Types) are available as PDFs from AR-Compendium .
The as discussed in this PDF document (source: Scribd) is a conceptual communication bus that connects SWCs. It is called "virtual" because it represents the communication path , not the physical hardware. The Run Time Environment (RTE) - The Heart of Part 1 : Some technical patches and sample pages (e