Unicast , multicast ( multicast ) and the differen

Unicast, multicast and broadcast unicast What does it mean? What is the feud?

1. Unicast: Network communication between nodes is like a talk between people, like if a person is different person speak, then the terms with the network technology detailing is , fair the general Internet users do not understand. For example, you send and receive email, explore the network, must mail servers, Web waiters to create a articulation at this period is to use Unicast file migrate mode, but usually use the transportation process, this approximate is apparently inefficient, is not pleasing; If you use does not distinguish, all the course to mail broadcast, although one can send complete data, but clearly does not discriminate among the specific purpose of receiving object data. multi- broadcast mode,GHD Purple Gift Set, either goals can be achieved once all the nodes transmit data, and can be approached only ashore the characteristic purpose of transferring data objects. IP multicast network via a multicast IP address is generally fulfilled. multicast IP address is Class D IP address, between 224.0.0.0 to 239.255.255.255 is the IP address. Windows 2000 as DHCP Manager assists multicast IP address automatically assigned.

3. Broadcast: such as customer IP address automatically through DHCP process namely achieved through the radio, but the same compared apt unicast and multicast,GHD Pink Styler, announce network subnet occupied virtually all the bandwidth to meet one semblance to get it, by the venue There can be only one person talk, assume if all folk at all with the loudspeaker to talk, namely would be 乱成一锅粥 field. hub because of its going principle can no determine the announce tempest filtering,GHD Midnight Collection, no the general switch feature, but immediately, some network switches (such for the full switch to the QS array) namely likewise announce storm filtering function, the router itself namely a divide broadcast storm achieve. broadcast storm can not be completely excluded but can only scatter in the same subnet, speaker's voice as if it were not for the same spread at the same venue, so by the hundreds or even thousands of computers consisting of middling and great local area web,GHD Gold Styler, in general, Class A,GHD Purple Styler, favor a hall with wall of detachment into numerous small cinemas as to attain the intention of isolation broadcast storm in the IP network, broadcast address with the IP address
GNUHPC metaphor door:
A multimedia schoolroom in the English preceptor,GHD Kiss Styler, said he was against the educating of listening devices, stood up,