Engineering at Meta

AUGUST 5, 2024

Topology We built a dedicated backend network specifically for distributed training. To support large language models (LLMs), we expanded the backend network towards the DC-scale, e.g., incorporating topology-awareness into the training job scheduler. We designed a two-stage Clos topology for AI racks, known as an AI Zone.

Network 132

Network Networking Topology Data Centers 132

Kentik

JUNE 7, 2023

Kentik Cloud users can now access the new Kentik Map for Google Cloud to automatically visualize detailed Google Cloud and hybrid cloud infrastructure topology. For example, an audit may be warranted if unexpected TCP traffic is flowing into a MariaDB instance but isn’t entering on port 3306.

Cloud 97

Cloud Gateway Port IP Address 97

NW Kings

JANUARY 7, 2025

Unlike dynamic routes, learned through dynamic routing protocols such as OSPF (Open Shortest Path First) or EIGRP (Enhanced Interior Gateway Routing Protocol), static routes require the network administrator to specify the next hop or destination IP address. This feature in networks predicts and stabilizes the topology.

Routers 52

Routers IP Address Protocol Topology 52

Kentik

JANUARY 29, 2020

This includes port, IP source, destination, port numbers, and other markings such as quality of service (QoS). SNMP is the oldest of the network management protocols in use today. Flow technologies, such as NetFlow, sFlow, jFlow, IPFIX, and others, are used to describe traffic on the network. When is SNMP Used?

Port 16

Port Network Networking Data Centers 16

Kentik

JANUARY 29, 2020

This includes port, IP source, destination, port numbers, and other markings such as quality of service (QoS). SNMP is the oldest of the network management protocols in use today. Flow technologies, such as NetFlow, sFlow, jFlow, IPFIX, and others, are used to describe traffic on the network. When is SNMP Used?

Port 78

Port Network Networking Data Centers 78

Kentik

MARCH 19, 2020

This configuration is known as a “split-tunnel” configuration and is set up by rules to exclude specific ports, protocols, or networks. This data is useful for Kentik’s automated capacity planning workflows and building topological maps (layer 2 and layer 3 connectivity). More advanced VPNs can do this by application type.

VPN 69

VPN Network Networking Gateway 69

Confluent

OCTOBER 24, 2019

The events are handled by the command handler, which is the part of the system that has been ported to Rust. They offer several functions that are included in Topology and can be used in different applications, such as getting a Java UUID from the fixed bytes ID in the schema. Usually you’d use the default configuration, but linger.ms

Banking 18

Banking Application Topology Virtual machine 18