How to calculate or measure RTT RTT calculation The best way to calculate RTT is to understand that when a user loads a web page in a browser, they must first send out a request to load the page. This requires at least one RTT to get the response to the user. RTT is a complex met...
How to calculate or measure RTT RTT calculation The best way to calculate RTT is to understand that when a user loads a web page in a browser, they must first send out a request to load the page. This requires at least one RTT to get the response to the user. RTT is a complex met...
net.ipv4.tcp_timestamps Specifies a TCP timestamp, which will add 12 bytes in the TCP packet header. This configuration calculates RTT using RFC1323, a more precise retransmission method upon timeout than retransmission. You are suggested to enable this parameter for higher system performance. ...
Ideally, the network latency should be one route trip time (RTT). If the connection is newly established, the network latency includes extra time to establish the connection. The establishment of a websocket connection needs the TCP handshake, SSL handshake, HTTP connection, and protocol upgrade...
Traceroute Variants: UDP and TCPIn addition to the default ICMP-based Traceroute, there are variants that utilize UDP or TCP as the underlying protocol. UDP-based Traceroute sends UDP packets to each hop, mimicking the behavior of applications that rely on UDP, such as DNS or VoIP services...
(Total maximum bandwidth your Internet connection should supply in Bytes per Second)(RTT in Seconds) = BDP TCP packet size doesn’t influence RWIN, but the packet size itself is influenced by the value selected in Method 1. Use this command to find the kernel variables related to RWIN: ...
Technically speaking, to achieve a given bandwidth over a route with a given RTT (Delay), the TCP transmission window (amount of data in fly) must be equal to the so-called Bandwidth-Delay Product (BDP): BDP_formula_resized.webp So the bandwidth in packet networks comes at the cost of ...
How to secure your web applications with NGINX Tuning TCP and NGINX on EC2 Extending functionality in nginx, with modules! Nginx - Tips and Tricks. Nginx Scripting - Extending Nginx Functionalities with Lua How to handle over 1,200,000 HTTPS Reqs/Min Using ngx_lua / lua-nginx-module in pix...
If the RTT is high (over 100 ms) or fluctuates significantly, you may have latency issues that require further investigation. Repeat the test several times over a period of minutes or hours with multiple sites and devices to get a more accurate picture of network latency over time. Here is...
Calculate the network collisions rate by dividing the number of collision counts (Collis) by the number of out packets (Opkts). In the previous example, the collision rate is 11 percent. A network-wide collision rate that is greater than 5 to 10 percent can indicate a problem. ...