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Multi-Path TCP: revolutionizing connectivity, one path at a time

CloudFaire

Enter Multi-Path TCP (MPTCP), which exploits the presence of multiple interfaces on a device, such as a mobile phone that has both Wi-Fi and cellular antennas, to achieve multi-path connectivity. It's a major extension to the TCP protocol, and historically most of the TCP changes failed to gain traction.

TCP 137
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Kafka Listeners – Explained

Confluent

are shown indented in the following list: KAFKA_LISTENERS is a comma-separated list of listeners and the host/IP and port to which Kafka binds to for listening. For more complex networking, this might be an IP address associated with a given network interface on a machine. which means listening on all interfaces.

Port 101
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Network Troubleshooting in Depth: A Complete Guide

Kentik

On a network, configurations are constantly changing. Unfortunately, configuration change accidents can happen that bring down parts of the network. Interface dropping packets. Interface issues caused by misconfigurations, errors, or queue limits lead to network traffic failing to reach its destination.

Network 114
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Multi-Cloud Made Simple: Announcing Kentik Observability Enhancements for AWS and Google Cloud

Kentik

Flow logs are a valuable source of network traffic information in AWS. They capture detailed metadata about the traffic flowing through various components of your network, such as VPCs, subnets, and network interfaces. AWS Transit Gateways act as a centralized hub for connecting multiple VPCs and on-premises networks.

Cloud 97
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How Kentik Helps Assess AWS Visibility

Kentik

You can create and enable flow logs per ENI (Elastic Network Interface), per subnet or per VPC. These flow logs can be used to analyze and troubleshoot issues within a cloud environment in a few key ways: They’re agentless. This makes integration much easier and cleaner. They include security context. Image source: AWS.

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Open sourcing h3i: a command line tool and library for low-level HTTP/3 testing and debugging

CloudFaire

A recap of QUIC and HTTP/3 QUIC is a secure-by-default transport protocol that provides performance advantages compared to TCP and TLS via a more efficient handshake, along with stream multiplexing that provides head-of-line blocking avoidance. HTTP/2 and HTTP/3 use TCP, UDP and IP. See the cargo documentation for more information.

Protocol 101
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NetFlow vs. sFlow

Kentik

NetFlow is the trade name known for a session sampling flow protocol invented by Cisco Systems that is widely used in the networking industry. In networking terms, a “flow” is a unidirectional set of packets sharing common attributes such as source and destination IP, source and destination ports, IP protocol, and type of service.