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PremDay #2 - Lightning Talk - Connectivity mana...

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April 07, 2025

PremDay #2 - Lightning Talk - Connectivity management

Aurelien Rougemont from Criteo presents the idea of having an LLDP-like protocol for PDUs. Oh wait !

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PremDay

April 07, 2025
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  1. LLDP L2 neighbor discovery protocol allows devices to advertise device

    information to their directly connected peers/neighbors Source: 2 Network Discovery
  2. 1994 Cisco Discovery Protocol First major Layer 2 network discovery

    protocol Industry NIH reactions Cisco Systems – Cisco Discovery Protocol Enterasys CDP Cabletron Discovery Protocol Extreme EDP Extreme Discovery Protocol Foundry FDP Foundry Discovery Protocol Nortel NDP Nortel Discovery Protocol LLDP is born • Link Layer Discovery Protocol • IEEE 802.1AB LLDP-EM • LLDP-MED protocol extension as ANSI/TIA-1057 ... 2004 2006 A bit of history Source: Network discovery protocols 3
  3. Motivations Device Discovery: Automatically identifies connected devices (e.g., servers, switches,

    PDUs). Topology Mapping: Enables real-time rack- level topology visualization. Automation: Integrates with DCIM and automation tools for dynamic provisioning. Reduces Human Error: Ensures accurate cabling documentation without manual input. Simplifies Troubleshooting: Helps detect cabling mistakes and misconfigured ports. Source: 4 LLDP
  4. LLDP for PDU/PSU allows devices PSU to advertise device information

    to their directly connected peers/neighbors PDU. Source: 5 What if...
  5. 2025 $vendor Discovery Protocol First power discovery protocol Usual mess

    $vendor[1] Discovery Protocol $vendor[2] Discovery Protocol $vendor[...] Discovery Protocol LLDP over PLC • Link Layer Discovery Protocol • IEEE 802.1AB LLDP-XX • LLDP-XX protocol extension ... 2035 2037 Expectations Source: Timeline PDU/PSU discovery protocols 6
  6. 7 IPD provides automated server discovery on a network through

    PLC technology that is embedded into HP Common Slot (CS) Platinum power supplies. PLC allows the power supply unit (PSU) to “talk” to the iPDU. HP Intelligent Power Discovery HP Intelligent Power Distribution Unit (Datasheet)
  7. 2010? IPDU with IPD First occurrence I Prem'Day #2 Us.

    Now. LLDP over PLC New standard is born 2025 202? LLDP? IPD? PDS? Source: Help ! PDU discovery protocols 8