Inter-Partition Communication via Address Mapping

The patent introduces a message buffer as an intermediary mechanism between partitions. The message buffer is mapped into the memory address space of each partition, allowing nodes to communicate by writing messages to buffers in other partitions. This intermediary structure enables efficient communication while preserving the logical independence of memory address spaces, as nodes communicate through the buffer rather than directly accessing each other's memory.

The communication mechanism is segmented into distinct components: message buffers, address maps, and routing tables. Each component has a specific function - message buffers hold data, address maps translate addresses between partitions, and routing tables direct messages to correct destinations. This segmentation allows each partition to maintain its address space independence while enabling coordinated communication through the segmented communication infrastructure.

Instead of enabling direct memory access between partitions, the patent uses message buffers as intermediaries. Nodes write messages to buffers in other partitions, and the buffer mechanism handles the actual data transfer. This approach achieves fast communication without requiring complex direct access paths, as the buffer abstraction simplifies the interaction model while maintaining speed through memory-based communication.

The message buffer mechanism is self-managing within each partition. Each partition has its own message buffers that are automatically mapped into its address space, and nodes within the partition can access these buffers using standard memory operations. This self-service approach reduces system complexity by eliminating the need for complex cross-partition memory management, as each partition independently manages its own buffers and address mappings.