Recent disruptions to two undersea internet cables in the Baltic Sea have yet again...
M
Noction Blog
The latest BGP network optimization and IP flow analysis trends.
BGP and asymmetric routing
What is asymmetric routing? Asymmetric routing is a network communication scenario where the forward and reverse paths...
TCP header, TCP header size, TCP checksum mechanism, TCP header structure, options, and format
The Mail Analogy: Understanding TCP Headers and Reliable Delivery The internet seamlessly transfers data, but how does...
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Setting Flow Table Sizes on Juniper Routers
We often get support tickets from users saying that the amount of data shown in NFA does not correlate with SNMP or is...
BGP YANG Model and Configuration
YANG Data Modeling Language Yet Another Next Generation (YANG) RFC 6020 is standard-based data modeling language for...
Source ID and Observation Domain ID fields meaning & configuration details
This article highlights the importance of the Source ID and Observation Domain ID fields when several metering...
Tier 1 Carriers Performance Report: November, 2021
The report offers specific insights into the performance of major Internet Carriers...
Interface Names and Descriptions Best Practices and Configuration
The name of a network interface is a string that is generated based on the interface attributes. This is a predictable...
Tier 1 Carriers Performance Report: October, 2021
The report offers specific insights into the performance of major Internet Carriers...
BGP Flow Specification Version 2
BGP Flowspec technology provides a more granular approach to Denial of Service (DoS) attacks mitigation when compared...
NetFlow versus sFlow versus IPFIX versus NetStream. L’analyse et la surveillance du trafic réseau.
La surveillance du réseau est un effort systématique d’inspection des paramètres d'un réseau informatique afin de...
Tier 1 Carriers Performance Report: September, 2021
The report offers specific insights into the performance of major Internet Carriers...
Pseudowire, MPLS pseudowires, and the MPLS L2 VPN Configuration
In general, a Pseudowire (PW) is an emulation of a point-to-point connection over a packet-switched network (PSN). To...
BGP with Link State (LS) and the reasons for BGP-LS use
In order to get end-to-end visibility for applications, we need complete topology data from IGP domains. One approach...
Tier 1 Carriers Performance Report: August, 2021
The report offers specific insights into the performance of major Internet Carriers...
Free and Open Source NetFlow analyzers. When Free isn’t really Free.
Have you ever found that a network usage reported by your commercial NetFlow analyzer does not match the actual values or that software contains bugs? …
Tier 1 Carriers Performance Report: July, 2021
The report offers specific insights into the performance of major Internet Carriers...
Oversubscription in Networking
In general, oversubscription is a subscription for more than what is available. Oversubscription represents an...
Tier 1 Carriers Performance Report: June, 2021
The report offers specific insights into the performance of major Internet Carriers...
95th percentile and other bandwidth metering methods
There is a lot of confusion around the 95th percentile bandwidth metering. Therefore this blog posting is intended to...
Tier 1 Carriers Performance Report: May, 2021
The report offers specific insights into the performance of major Internet Carriers...
Tier 1 Carriers Performance Report: April, 2021
The report offers specific insights into the performance of major Internet Carriers...
Tier 1 Carriers Performance Report: March, 2021
The report offers specific insights into the performance of major Internet Carriers...
Tier 1 Carriers Performance Report: February, 2021
The report offers specific insights into the performance of major Internet Carriers...