TCP header, which includes information on the port, implied protocol, flags and sequencing Numbers.

TCP报头，它包含端口上的信息、隐含的协议、标记和顺序编号。

youdao

We can see from this figure that when the same service is provided using both TCP and UDP, both port Numbers are normally chosen to be the same.

图中我们看到，当同样的服务由TCP及UDP提供时，二者的端口号通常选择同一个。

youdao