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What is multicast routing?

Anonymous

∙ 15y ago

Updated: 12/7/2022

Multicast routing is done by sending one packet to several destinations (those destinations were announcing their interest by joining the multicast group). See [multicast].

Wiki User

∙ 15y ago

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Related Questions

What has the author Daniel Emilio Lopez Garibay written?

Daniel Emilio Lopez Garibay has written: 'Design of MInP multicast routing protocol'

How are RIP routing updates sent?

RIP routing updates are sent every 30 seconds by default. In RIP version 1, they are sent as a broadcast. In RIP version 2, they are sent to a special multicast address.

What is the range for globally scoped multicast addresses?

Multicast IP range is 224.0.0.0 - 239.255.255.255

What is multicast authentication?

multicast authentication is the effective method of delivering data from sender to multiple receivers..

How does cisco work?

Cisco routing can work through a number of ways. Some of these ways include the usage of a network switch. Also, the usage of a multicast NAT connection may be necessary to route the signals from Cisco.

What is a Multicast Mesh?

A multicast mesh is a type of routing for ad hoc networks. Imagine a collection of say, 1000 laptops and smart-phones. Now, imagine that we want to send a message from any one device to any other. There are two routing types that immediately come to my mind: multicast tree and multicast mesh.multicast tree: a device will only accept and forward a message from sender to receiver IF that router is on the shortest path from sender to receiver (basically, there are some more details). This routing protocol eliminates multicast loops (good) and nearly optimally provides the shortest route from sender to receiver. However, since this is an ad hoc network, a device on that path can turn off. When this happens (and it will), the entire ad hoc network has to send control messages to every device so that they know what tree they are on. This sucks, because it is a lot of overhead, and will happen frequently.multicast mesh: Each device accepts messages even if the device is not on the shortest path from sender to receiver. This provides richer connectivity, and is robust when devices come and go. However, there is a problem, richer connectivity also means poor bandwidth utilization (there are duplicate messages in the network). Also, a purely multicast mesh network does not scale well (control messages + duplicate messages mire the network as nodes increase).

Which class of IP addressing is being used when multicast messages are being sent?

For multicast, ip addresses in the range of 224.0.0.0 - 239.255.255.255 are used.

What are the globally scoped multicast addresses?

The globally scoped multicast addresses range from 224.0.1.0 to 238.255.255.255. These addresses are reserved for multicast communications across the internet.

What is Multicast Protocol with diagram?

In computer networking, "multicast" refers to the delivery of data to a group of destination computers simultaneously in a single transmission from the source creating copies automatically in other network elements, such as routers, only when the topology of the network requires it. There are several multicast protocols. RFC 1458 - Requirements for Multicast Protocols attempts to standardize these protocols. Generally the possible routing schemes fall into one of a three main addressing methodologies, unicast addressing, broadcast or multicast addressing, and anycast addressing. Unicast addressing sends data from a single source to a single destination. In anycast addressing datagrams from a single sender are routed to the topologically nearest node in a group of potential receivers all identified by the same destination address. The data has multiple POSSIBLE recipients, but only one recipient winds up getting it. In broadcast and multicast addressing, a single sender sends a single message to multiple recipients simultaneously. Broadcast differs from multicast in that under broadcast, ALL computers on the network get the data while under multicast, only those computers targeted to receive it. For diagrams illustrating this, see the Wikipedia article in the related links.

What type of address is 01-00-5E-0A-00-02?

It's a multicast address to be multicast to a group of hosts

What is mutlicast?

Perhaps you mean multicast? Multicast refers to computer networking, and is the simultaneous transmission of data to several destinations on a network.

Difference between ripv1 and ripv2?

The main difference between RIPv1 and RIPv2 is classless routing. RIPv2 incorporates the addition of the network mask in the update to allow classless routing advertisements. This is extremely important for the flexibility needed to efficiently utilize network assignments for an ever-shrinking pool of IP addresses.There are other differences, as well. In RIPv2, the destination address for the updates is multicast, instead of broadcast, as in RIPv1. This reduces the burden on the network devices that do not need to listen to RIP updates. With broadcast, every device on the broadcast domain must at least open the IP packet and process the initial information to determine relevance. With multicast addressing, if a device needs that information, it will listen to that specific address. If it does not need the RIP information, it does not have to process the multicast address. The multicast address RIPv2 sends to is 224.0.0.9.Another addition to RIPv2 is authentication. Authentication is used to ensure that routes being distributed throughout the network are coming from authorized sources.

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