Internet Protocol Analysis/Multicast/Quiz

Multicast is the delivery of a message or information to

.

Multicast uses network infrastructure efficiently by requiring the source to send a packet

, even if it needs to be delivered to a large number of receivers.

In multicast routing, there is always

.

Broadcasting is a special case of muticasting in which

.

IPv4 multicast addresses were originally designated as Class

. The Classless Inter-Domain Routing (CIDR) prefix of this group is

and includes addresses from

through

.

The

range is assigned by RFC 2365 for private multicast use within an organization.

IPv6 multicast addresses start with

.

Ethernet frames with a value of 1 in the least-significant bit of the

are treated as multicast (broadcast) frames and are sent to all network hosts.

Ethernet IPv4 multicast frames have a destination MAC address starting with

.

Ethernet IPv6 multicast frames have a destination MAC address starting with

.

The Internet Group Management Protocol (IGMP) is a communications protocol used by hosts and adjacent routers on IPv4 networks to

.

Multicast management on IPv6 networks is handled by

which uses

messaging.

Neighbor Discovery Protocol (NDP) is an

layer protocol in the Internet Protocol Suite used with IPv6.

NDP is responsible for

.

NDP defines five ICMPv6 packet types:

.