This object is the current local receive window size, in bytes, for this specific association. This tells the admin how much unread data this device is currently willing to accept from the peer on this one link before it must stop; a window consistently near its low-water mark means this device's own application is not draining received data fast enough, risking throughput stalls on that association. A receive window sitting at 2,000 bytes when the association's normal operating window is 32,000 suggests the local application is falling behind on consuming inbound signaling messages.