Calrec IP Primer Part 2: Multicast

Welcome to the second in an eight-part series of articles on AoIP!

Over the next seven weeks, we will be releasing an IP chapter every Wednesday as part of Calrec’s latest IP Primer. The IP Primer will build up your knowledge of IP and will enable you to create reliable AoIP networks to meet the needs of your desired workflow without defining or compromising operations.

We’ll look at Multicast, Precision Time Protocol (PTP), Bandwidth, Latency/Jitter, QoS, Switches and Network Design. This week is a one-stop shop for understanding the importance of Multicast in your IP network.

Multicast is central to efficient broadcast network designs. It has never been more important for network engineers to understand how it works and how it can be tailored to meet a network’s needs. There are so many ways to configure multicast, so this chapter of Calrec’s IP Primer looks at everything, from the difference between Unicast, Broadcast and Multicast to how it affects MAC addresses, IGMP, snooping, flooding and lots more. It’s a crucial piece of the IP puzzle.

Steve Gligorovic, Senior Customer Support Engineer at Calrec

Steve Gligorovic

Senior Customer Support Engineer at Calrec

Calrec IP Primer Part 2: Multicast

Whenever you are looking to design an AoIP network it is vital to have a fundamental understanding of how multicast is managed because there are multiple ways to set it up, from addressing to the configuration of devices.

In this chapter of Calrec’s IP Primer, we look at Multicast and the difference between Unicast, Broadcast and Multicast and how they affect MAC addresses. We will also look at IGMP, which ensures efficient transfer of multicast across layer 2 networks, and how to implement strategies like IGMP Snooping to help prevent multicast flooding.

We’ll talk about IGMPv2 vs IGMPv3, Source-Specific Multicast, Layer 3 multicast routing and how that works with PIM – we even explain what that is, and how it works.

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Don’t forget, we also have our seven-part IP training course available – it’s free and it’s packed full of information.

Our IP training course will help you master or refresh your IP knowledge and covers everything a broadcast facility needs to know about IP, how it works and the effect it is having on our industry.

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The broadcast industry is experiencing huge infrastructure changes, moving from proprietary to IP networks.

Calrec has options across the range of options with equipment that can sit on an IP network, a proprietary Hydra2 network, or a combination of the two.


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