Lenny Giuliano
Senior distinguished systems engineer (HPE / Juniper Networks) and multicast expert who provides deep technical explanations and historical context about multicast, IGMP/MLD, PIM, BEER, AMT, and related technologies.
Best podcasts with Lenny Giuliano
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Apr 2, 2026 • 1h 25min
N4N052: Multicast Part 2
Lenny Giuliano, Sr. Distinguished Systems Engineer and multicast expert, gives concise historical and technical context for multicast networking. He explains IGMP/MLD behavior on LANs, multicast MAC addressing quirks, IPv4 vs IPv6 differences, ASM vs SSM, BEER stateless-core encapsulation, AMT tunneling, and why multicast might resurge for live, high-bandwidth content.
Mar 5, 2026 • 1h 21min
N4N050: Multicast Fundamentals
Lenny Giuliano, Senior Distinguished Systems Engineer at HPE with deep multicast expertise, walks through multicast fundamentals. He contrasts multicast with unicast/broadcast and highlights real-world uses like finance and video distribution. He covers protocol basics (IGMP, PIM, RP, ASM/SSM), address scopes, RPF and tree construction, plus why multicast matters again for large-scale live streaming.
