Scalable IP Multicast technologies simplify network-based video broadcasts.

Article Summary:

Cisco IT uses IP Multicasting for implementing a large and growing number of “one-to-many communications” such as employee training via video, quarterly company meetings, and other companywide corporate communications. This case study provides a simple explanation of IP Multicasting: why Cisco’s business requires it, how it operates, and how Cisco IT provisions it. Also featured are Cisco IT’s upgrade to Source Specific Multicast (SSM) and three figures that help illustrate the workings of multicast on the Cisco global network.