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One Way Delay

One Way Delay Measurements and 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...

TCP Congestion

TCP (Transmission Control Protocol) Congestion Control

Network congestion may occur when a sender overflows the network with too many packets. At the time of congestion, the network cannot handle this...

Network latency and its effect on application performance

We've talked about network latency several times in previous blog posts. Today, let's drill a bit deeper on that topic, and especially how it...

video streaming performance

Optimizing network performance for video streaming

Video is an interesting network application. Many users consume hours of video per day, and an hour of HD video is easily more than...

MD5 password

BGP Security: the MD5 password and GTSM

Back in the late 1980s and the early 1990s when BGP was developed, security was still an afterthought for protocols used on the internet....

packet loss

Network latency and packet loss effects on performance

The triumvirate of network performance metrics are latency, loss and jitter. Today, we're going to take a look at how each of them —...


Five tips for reducing congestion in enterprise networks

It’s a commonly known fact that congestion on the road significantly increases the time the auto vehicles must spend to get to the destination....

cost of downtime

The cost of network downtime for Service Providers

An operational network is a strategic business resource. It carries everyday messages and mission-critical data, and facilitates communication between people and business processes. It...

Understanding the impact of network latency

Understanding the impact of network latency on Service Providers’ business

Speed is highly prioritized in networking. Applications with high bandwidth consumption and mission-critical systems demand ever more throughput and capacity. While the main demand...


Network congestion technical implications

During the transfer of information in the Internet, there are various situations related to certain host or network inaccessibility, or channels of communication overload....