Engineering at Meta

FEBRUARY 7, 2024

While deploying Precision Time Protocol (PTP) at Meta, we’ve developed a simplified version of the protocol (Simple Precision Time Protocol – SPTP), that can offer the same level of clock synchronization as unicast PTPv2 more reliably and with fewer resources. Server-driven communication with little control by the client.

Protocol 130

Protocol Unicast Data Centers Server 130

The Network DNA

JULY 16, 2024

Remember PC-2 knows the MAC address of the PC-1 when responding to ARP Request, so ARP Response is NOT broadcast, it is Unicast communication between PC-2 and PC-1. CCNA RnS #17: Switching Process CCNA RnS #16: Campus vs Data Center Network CCNA RnS #15: Memory Types - The Network DNA CCNA RnS #14 - CLI Introduction! -

Protocol 98

Protocol Ethernet IP Address LAN 98

The Network DNA

JULY 5, 2024

Data center and service provider networks frequently employ EVPN to offer effective and scalable network connection. To guarantee that data packets take the most effective route through the network, each component makes a fine-grained contribution to the identification, routing, and segregation of traffic.

IP Address 52

IP Address Ethernet Advertising Unicast 52

Engineering at Meta

NOVEMBER 21, 2022

The journey to PTP has been years long, as we’ve had to rethink how both the timekeeping hardware and software operate within our servers and data centers. We also get to enjoy some beautiful views: GNSS antenna in a Meta data center location. Time Appliance The Time Appliance is the heart of the timing infrastructure.

Protocol 57

Protocol Server Unicast Network 57