group address
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... HOST GROUP ADDRESSES ...
... In Internet standard "dotted decimal" notation, host group addresses
range from 224.0.0.0 to 239.255.255.255. The address ...
... merely specifies an IP host group address, rather than an individual
IP address, as the destination ...
...
A host group address must never be placed in the source address field
or anywhere in a source route ...
... IP
datagrams is a procedure for mapping IP host group addresses to
Ethernet multicast addresses ...
... group address,
more than one host group address may map to the same Ethernet
multicast address ...
... Both operations should return immediately (i.e., they are non-
blocking operations), indicating success or failure. Either
operation may fail due to an invalid group address or interface
identifier. JoinHostGroup may fail due to lack of local resources.
LeaveHostGroup may fail because the host ...
... datagram with an IP host group address in its source address field is
quietly discarded. An ICMP error message ...
... address" is an IP host group address. The
JoinLocalGroup operation requests the local network module to accept
...
... IP
host group address. The LeaveLocalGroup operation requests the local
network module to stop delivering up packets destined to the given IP ...
... host's IP host group
addresses. It is highly desirable to take advantage of any address
filtering ...
... Checksum |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Group Address |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
...
... In a Host Membership Query message, the group address field
is zeroed when sent, ignored when received.
...
... destination address equal to the
host group address being reported, and with an IP
time-to-live ...
... IP destination field and its IGMP group address
field, to ensure that the host's own Report is not cancelled by an
...
... destination field and its IGMP group address field. A Report
applies only to the membership in the group identified by the
...
... APPENDIX II. HOST GROUP ADDRESS ISSUES ...
... Group Address Binding ...
... IP network. An IP host group address is
dynamically bound to a set of local network interfaces on a set of IP
networks ...
... It is important to understand that an IP host group address is NOT
bound to a set of IP unicast addresses ...
... Allocation of Transient Host Group Addresses ...
...
This memo does not specify how transient group address are allocated.
It is anticipated that different portions of the IP transient host ...
... IP transient host
group address space will be allocated using different techniques.
For example, there may be a number of servers that can be contacted
to acquire a new transient group address ...
... group address space will be allocated using different techniques.
For example, there may be a number of servers that can be contacted
to acquire a new transient group address. Some higher-level
protocols (such as VMTP, specified in RFC-1045exp ...
... group addresses, similarly to the way that IP host group addresses
are mapped to Ethernet multicast addresses ...
... datagrams sent to any host
group address will reach only the intended hosts, or that datagrams
...
... tokens. Information
transmitted to a host group address should be encrypted or governed
by administrative routing ...