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Questions tagged [traffic]

298 questions
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5 answers

What is the practical limit for IP addresses in DNS round-robin?

I'm currently running a site whose trafic is distributed among 7 mirror servers right now (using DNS round robin). But soon more mirrors will be necessary given the high amount of traffic which is permanently growing. Is there any practical o…
GetFree
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6 answers

Generate a limited amount of random network traffic between 2 hosts

I'm trying to find a utility that will allow me to generate a constant flow of random network traffic at a specified rate between 2 hosts. The utility needs to run on Windows and OSX. I've tried iperf but it seems to be more oriented toward…
Andrew S
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7
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3 answers

What is the best tool to aggregate traffic stats from multiple nginx servers?

The setup: 2 or more nginx machines each machine has the same virtual hosts traffic is load balanced via DNS to each machine I need to figure out what are the best tools to use to get some traffic stats, mostly interested in amount of hits and…
gekkz
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6
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3 answers

What is the difference between these 2 iptables rules?

Trying to allow incoming ssh traffic on port 22. Default behavior is to DROP all incoming traffic. I came across 2 articles on how to allow traffic. However, they are different. ## open port ssh tcp port 22 ## iptables -A INPUT -m state --state…
csi
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6
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3 answers

How are large websites served to millions of users? (e.g. Google)

I appreciate this question might be vague/too broad, but I'm looking for the basic principles/a summary. How does a site like Google, or Facebook, for example, deal with the billions of page views it receives? I'm aware of round-robin DNS, which, I…
Ross
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6
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6 answers

solution to a too much traffic problem

My company has a web service api which is starting to get a lot of use. Recently we had some issues with running out of memory. We optimized some inefficient code and solved the problem. We know we are going to expand even further, we want to have a…
aepheus
5
votes
4 answers

Traffic Management recommendations

What's your strategy towards traffic prioritization/management. I am not really to just get a list of packet shaping solutions. Instead, I would like to get recommendations about traffic management strategies that include: What software/hardware…
l0c0b0x
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How to estimate storage and traffic used for docker images in AWS ECR?

I'm trying to esimate monthly cost of using AWS ECR. It will consist of: outgoing traffic cost (downloading images) and storage cost (storing images in ECR). Let's assume, that: We are building some web service using Mono (base docker image size is…
rustam
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5
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5 answers

What sort of web server hardware do you use to handle 100 Mbps+ of static files?

I currently use Amazon S3 for much of my static file serving needs but my monthly bill is getting very expensive. I did some rough calculations using the logs and at peak times, my most expensive Amazon bucket is handling about 100 180 Mbps of…
outcassed
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5
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7 answers

Real-time website traffic monitoring for operations teams

Working on medium sized websites we've always built our own real-time traffic graphing solutions and displayed those on a big screen mission control style so that if traffic starts to climb, load start to climb, latency increases, etc we can start…
ToddH
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1 answer

Where are nftables counters logged/stored, and how long do they persist?

I'm attempting to track the total data being transmitted from a specific set of IP addresses (both IPv4 and IPv6) using nftables with a named counter on the rule. My goal is to be able to track this total over the course of a calendar month so I can…
oucil
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1 answer

Using tc to decrease bandwidth to a specific destination address

I am trying to find the shortest path between two hosts H1 and H2 using Dijkstra code. Setting a condition in one of the switches on that path. the condition is: if the packet sending to H2 then change the path automatically. I'm using Mininet, I…
a66a
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1 answer

Elasticsearch: High traffic on loopback interface

One of our application uses Elasticsearch (1.4.4) as an in-memory cache. The application is a Java webapp deployed on Tomcat 7 with Oracle 1.7. The elasticsearch instance is a one-node setup deployed on the same server. Since elasticsearch 1.3.3…
ercpe
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4
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1 answer

How do iptables work with NFQ in terms of traffic shaping in snort?

I'm trying to understand how iptables and NFQ work together with snort. The reason that I ask this is because from what I understand snort can be set to IPS via NFQ but if you have iptables there essentially firewall rules hence my question as what…
Danny
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4
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8 answers

How to calculate web server traffic?

We have an asp.net web server application and web service,which will be hosted in the same server. Customer's IT team has asked us what is the expected no.of traffic on the web server. How do I calculate this?
Samjog
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