As an alternative to dynamic allocation, the process can simply commit the entire region instead of only reserving it. 对于一个动态分配事件，进程可以简单的直接把整个区域调拨而不是预留。
It uses ACE_Message_Block to provide an efficient message buffering mechanism that minimizes dynamic memory allocation and data copying. 提供高效的消息缓存机制，减少动态分配和复制。
