The Border Gateway Protocol (BGP) serves as the lifeblood of the internet, facilitating...
Noction Blog
The latest BGP network optimization and IP flow analysis trends.
Geo-blocking at the BGP Level
Geo-blocking at the BGP level is an approach that allows network operators to restrict or control internet traffic by...
Multi-Protocol Label Switching – Transport Profile (MPLS-TP) and Configuration
MPLS-TP, short for Multi-Protocol Label Switching - Transport Profile, is a packet transport technology developed...
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SSH Compromise Detection Using Flow Data
Secure Shell (SSH) provides a secure channel over an unsecured network in a client-server model. SSH is typically used...
Tier 1 Carriers Performance Report: February, 2019
The report offers specific insights into the performance of major Internet Carriers...
DNS Amplification Attacks Detection with NetFlow or sFlow
The Internet we know nowadays cannot properly operate without using the Domain Name System (DNS). DNS syncs up domain...
The Difference between SNMP and NetFlow. Why should I use both?
Simple Network Management Protocol (SNMP) is a well-known standardized application layer protocol, originally...
Automatic versus Manual NetFlow Deduplication
Duplication of NetFlow occurs when the NetFlow records about the same flow are exported multiple times to a NetFlow...
Exporting Flow to multiple servers (Flow Samplicators)
In our previous article we have discussed the alternative way to get flow statistics using a NetFlow generator. One of...
NetFlow Generators explained
What is a NetFlow Generator? A NetFlow generator is a dedicated network appliance or software running on a PC and...
Tier 1 Carriers Performance Report: December, 2018
The report offers specific insights into the performance of major Internet Carriers...
Configuring NetFlow on VyOS and Huawei Network Devices
This is the second part of the post dedicated to NetFlow configuration. In the first part, we’ve discussed the...
Configuring Cisco Flexible NetFlow and Juniper j-Flow v8
One of our recent blog posts dedicated to NetFlow technology provides the necessary knowledge needed to understand...
Tier 1 Carriers Performance Report: November, 2018
The report offers specific insights into the performance of major Internet Carriers...
The accuracy and overhead of flow sampling. To use or not to use flow sampling?
Flow-based (NetFlow, IPFIX, NetStream) and packet-based (sFlow) network monitoring technologies enable network...
NetFlow vs. sFlow vs. IPFIX vs. NetStream. Network Traffic Analysis and Network Traffic Monitoring.
Network monitoring is a systematic effort to monitor parameters of a computer network in order to detect issues that...
Tier 1 Carriers Performance Report: October, 2018
The report offers specific insights into the performance of major Internet Carriers...
Quantum Computing and the Future of Networking
Nowadays, the very abstract ideas underlying the quantum physics are being translated into reality thanks to new...
BGP Labeled Unicast (BGP-LU)
This blog post discusses BGP Labeled Unicast (BGP-LU) which is used in multi-regional networks to carry the label...
Recursive Lookup in BGP
The aim of this article is to discuss the importance of Recursive Lookup in BGP. First of all we need to understand...
Tier 1 Carriers Performance Report: September, 2018
The report offers specific insights into the performance of major Internet Carriers...
Accumulated IGP and BGP
RFC 7311 defines an optional non-transitive BGP attribute called the Accumulated IGP Metric Attribute (AIGP). As we...
QoS Policy and its propagation via BGP (QPPB)
Quality of Service (QoS) refers to a collection of technologies that networking devices use to apply different...
Tier 1 Carriers Performance Report: August, 2018
The report offers specific insights into the performance of major Internet Carriers...