English | Size: 4.52 GB
Genre: eLearning
Concept , Configuration and Verification
What you’ll learn
Multicast Fundamentals and Addresses
IGMP and IGMP Snooping
Protocol Independent Multicast Dense Mode (PIM-DM)
Protocol Independent Multicast Sparse Mode (PIM-SM)
PIM Designated Router (DR) and PIM Forwarder
Rendezvous Points Static and Dynamic Learning
Source Specific Multicast [SSM]
Bidirectional PIM with Static RP
Bidirectional PIM with Auto RP
Bidirectional PIM with BSR
Multicast Source Discovery Protocol [MSDP]
Enterprise IP Multicast Design
In computer networking, multicast is group communication where data transmission is addressed to a group of destination computers simultaneously. Multicast can be one-to-many or many-to-many distribution.[Multicast should not be confused with physical layer point-to-multipoint communication.
Group communication may either be application layer multicast or network-assisted multicast, where the latter makes it possible for the source to efficiently send to the group in a single transmission. Copies are automatically created in other network elements, such as routers, switches and cellular network base stations, but only to network segments that currently contain members of the group.
Network-assisted multicast may also be implemented at the Internet layer using IP multicast. In IP multicast the implementation of the multicast concept occurs at the IP routing level, where routers create optimal distribution paths for datagrams sent to a multicast destination address.
Multicast is often employed in Internet Protocol (IP) applications of streaming media, such as IPTV and multipoint videoconferencing.
When multiple routers are used in interconnected networks, the routers can exchange information about destination addresses using a routing protocol. Each router builds up a routing table, a list of routes, between two computer systems on the interconnected networks.
IP multicast is a technique for one-to-many communication over an IP network. The destination nodes send Internet Group Management Protocol join and leave messages, for example in the case of IPTV when the user changes from one TV channel to another. IP multicast scales to a larger receiver population by not requiring prior knowledge of who or how many receivers there are. Multicast uses network infrastructure efficiently by requiring the source to send a packet only once, even if it needs to be delivered to a large number of receivers. The nodes in the network take care of replicating the packet to reach multiple receivers only when necessary.
Who this course is for:
Network Engineers , Service Provider Engineers , Datacenter Engineers
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