An option that refers to a packet at the end of the queue may require a full list traversal by the receiving TCP stack in order to identify which packet the option refers to.
一个指向队列末尾包的选项可能会迫使接收方的TCP协议栈遍历整个队列以判断此选项指向哪一个包。
2
The instructions PUSH and QUEUE correspond to LIFO and FIFO operations on the stack.
指令push和QUEUE对应的是对栈的LIFO和FIFO操作。
3
If you pop the first item of a list, you have a queue; whereas, if you pop the last item of a list, you have a stack, as shown in Listing 8.