| 15 |  | On the direct network, the VCI CMD field can take four values : READ, WRITE, LINKED_LOAD (LL), and STORE_CONDITIONAL (SC). From a conceptual point of view, the atomicity his handled on the memory controller side (actually the memory cache controller), as the memory controllersmust maintain a list of all pending atomic operations in a ''reservation table'' : | 
                      
                        |  | 15 | On the direct network, the VCI CMD field can take four values : READ, WRITE, LINKED_LOAD (LL), and STORE_CONDITIONAL (SC). From a conceptual point of view, the atomicity is handled on the memory controller side, that must maintain a list of all pending atomic operations in a ''reservation table'' : |