[ Hastily ] in TCP / IP unicast, broadcast, multicast questions ? ? ?

Recently seen in UDP multicast and broadcast content , and on the radio has been less understood , where I saw an article online broadcasting is described :

[size = 12px] Broadcast :

broadcast is a host to all hosts on the network to send packets , the destination address is different from broadcast unicast single address .

There are two types of broadcasting : directed broadcast and limited broadcast

1, directed broadcast is to send packets to all hosts outside the network to a particular network , directed broadcast destination address is directed network broadcast address , such as the current network is 192.168.0.0/24, 192.168.1.0/24 would like to send a directed broadcast network , then the destination address is directed broadcast : 192.168.1.255. You can configure the router to forward directed broadcasts allowed .

2, limited broadcasting is to send packets to all hosts on the local network , using the limited broadcast destination address is :. 255.255.255.255 routers do not forward this broadcast . [/ size]

where " directed broadcast" in the end with the "limited broadcast" What is the difference ah ? We can not describe the following popular ? Best to illustrate , let me thank you !

Online ........


------ Solution ---------------------------------- ----------
local subnet broadcast only sent in the current routing does not forward
directed broadcast routing will forward received messages
------ Solution destination addresses of all hosts in the network segment will ------------------ --------------------------


Of course , this site is the broadcast address 255.255.255.255

------ For reference only ---------------------------------- -----
no answer yet
There is no well-wishers kind?

Online .....
------ For reference only ---------------------------------------

Yes, how to determine the network broadcast address within ah , I read a book "TCP / IP Socket" which said : "Local IPv4 broadcast address is 255.255.255.255" this reasonable?
------ For reference only ---------------------------------------

  
Of course , this site is the broadcast address 255.255.255.255   
 

understand, thank you !

directed broadcast : the datagram packet sent to all hosts on a particular network outside the network , the router will forward the broadcast ;

Local Radio: All the host sends a datagram packet to the local network , the local IPv4 broadcast address is "255.255.255.255", the router will not forward this broadcast ;