We’ve just released Noction Flow Analyzer (NFA) v24.11, and here are the new features...
Noction Blog
The latest BGP network optimization and IP flow analysis trends.
NetFlow data and its fields vs packet capture
When it comes to keeping tabs on networks, we’ve got two heavy hitters: NetFlow and packet capture. They are both...
BGP Route Leak prevention and detection via roles in UPDATE and OPEN Messages – RFC 9234
RFC 9234 introduces a novel mechanism that leverages the BGP Role to prevent and detect route leaks. BGP leaks occur...
SUBSCRIBE TO OUR NEWSLETTER
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...
Tier 1 Carriers Performance Report: July, 2018
The report offers specific insights into the performance of major Internet Carriers...
BGP Conditional Route Injection
We have recently posted the BGP Route Aggregation eBook that discusses the benefits of route aggregation and explains...
BGP Route Dampening: obsolete or still used in the industry?
The unstable route whose availability alters repeatedly is called a flap. When flaps occur, an excessive number of BGP...
BGP Attribute Filtering and Error Handling
The BGP Attribute Filter feature enables BGP speakers to take a certain action based on the presence of a specified...
BGP Optimal Route Reflection as an alternative to BGP Add Path
Full iBGP Mesh and Route Reflection To avoid loops in a Full iBGP Mesh, BGP routers are only allowed to learn prefixes...
Tier 1 Carriers Performance Report: June, 2018
The report offers specific insights into the performance of major Internet Carriers...
Network Address Translation (NAT) and BGP Explained
Network Address Translation (NAT) was originally described in RFC 1631. Although initially presented as a short term...
Tier 1 Carriers Performance Report: May, 2018
The report offers specific insights into the performance of major Internet Carriers...
Advertising Multiple Paths in BGP (BGP-Addpath)
The BGP advertisement of a prefix with new attributes replaces the previous announcement of that prefix. This behavior...
BGP and Traffic Engineering Mechanisms for WISPs
In this blog post, we will take a look at Kevin Myers's presentation where he discusses deployment of both OSPF and...
Tier 1 Carriers Performance Report: April, 2018
The report offers specific insights into the performance of major Internet Carriers...
BGP Hijacking overview. Routing incidents prevention and defense mechanisms. (Updated)
What is BGP Hijacking? BGP hijacking is an illicit process of taking control of a group of IP prefixes assigned to a...
Bit Indexed Explicit Replication and the BGP Extensions for BIER
In this article we’ll take a look at the architecture for multicast forwarding called the Bit Indexed Explicit...
Tier 1 Carriers Performance Report: March, 2018
The report offers specific insights into the performance of major Internet Carriers...
DDoS Amplification Attacks
A distributed denial-of-service (DDoS) attack is an attack in which the multiple compromised devices attack a target...
BGP/MPLS Layer 3 VPNs Practical Configuration
In our previous blog article we’ve discussed the benefits and the fundamental principles of BGP/MPLS L3 VPNs. We have...