Border Gateway Protocol (BGP) is not merely a protocol—it’s the backbone of the internet. For service provider engineers and network architects, BGP is an indispensable tool that enables global connectivity, supports MPLS VPNs, and underpins many...
Usage-based billing enables customers to pay only for data that they have used. In order to charge customers based on data usage, a company must have a good...
When it comes to major security concerns, one of the most serious ones are the data breaches and security exploits caused by insider incidents. According to...
With the increasing popularity of multicast media applications, the monitoring of multicast traffic becomes more and more important. When it comes to NetFlow,...
Role of RTT and OWD for TCP RTT stands for Round Trip Time and it is a length of time that a packet takes from point A to point B plus the length of the time...
In traditional methods for DDoS mitigation, such as RTBH (remotely triggered blackhole), a BGP route is injected, advertising the IP address of the server...
Network visibility is crucial because we cannot manage and secure what we cannot see. NetFlow plays a critical role in traffic visibility by helping network...
Border Gateway Protocol (BGP) is a core routing protocol used by most of the Internet Service Providers (ISPs). BGP’s role is to exchange routing and...
This article gives some insights on how to set up a network traffic analysis and alerting system based on NetFlow. NetFlow is an advanced and widely used...
Software-Defined Networking (SDN) in a Wide Area Network (WAN) - SD-WAN is a technology that simplifies management of WAN by decoupling control plane from the...
On August 8th, 2014 some ISPs experienced a phenomenon called the “512k Day”. The global BGP routing table, which consists of the global Internet routes and...
Bring Your Own Device (BYOD) is a practice that allows users to bring their personal devices such as tablets or smartphones to the workplace and use them to...
So far, we have discussed NetFlow configuration for network devices from various vendors such as Cisco, Juniper, Huawei, VyOS. We have collected layer 3 and 4...
