RFC 1112:Host Extensions for IP Multicasting
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destination


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... hosts identified by a single IP destination address. A multicast datagram is delivered to all ...
... multicast datagram is delivered to all members of its destination host group with the same "best-efforts" reliability ...
... IP datagrams, i.e., the datagram is not guaranteed to arrive intact at all members of the destination group or in the same order relative to other datagrams ...
... network multicast which reaches all immediately-neighboring members of the destination host group. If the datagram has an IP ...
... network take responsibility for forwarding it towards all other networks that have members of the destination group. On those other member networks ...


... datagrams can easily be identified by the presence of a class D IP address in their destination address field; they should be quietly discarded by hosts that do not support IP multicasting ...


... group address, rather than an individual IP address, as the destination. However, a number of extensions may be necessary or desirable. ...
... if IP-destination is on the same local network, send datagram ...
... send datagram locally to IP-destination else send datagram ...
... send datagram locally to GatewayTo( IP-destination ) ...
... if IP-destination is on the same local network or IP ...
... network or IP-destination is a host group, ...
... send datagram locally to IP-destination else send datagram ...
... send datagram locally to GatewayTo( IP-destination ) ...
... If the sending host is itself a member of the destination group on the outgoing interface ...
... IP host group destination, rather than an individual IP destination ...
... destination, rather than an individual IP destination, when it invokes the existing "Send Local" operation. ...
... multicast packets by allowing multicast addresses in the destination field of Ethernet packets. All that is needed to support the sending of multicast IP datagrams ...


... unicast datagrams. Selection of a destination upper-layer protocol is based on the protocol field ...
... on the protocol field in the IP header, regardless of the destination IP address. However, before any datagrams destined to a particular group ...
... source address field is quietly discarded. An ICMP error message (Destination Unreachable, Time Exceeded, Parameter Problem, Source Quench, or Redirect) is never generated in response to a datagram ...
... filtering based on IP destination addresses. ...


... A Report is sent with an IP destination address equal to the host group address ...
... group address in its IP destination field and its IGMP group address ...
... checksum and have an IP destination address of 224.0.0.1. A single Query applies to all memberships on the ...
... group address in its IP destination field and its IGMP group address field. A Report ...



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