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Wednesday, July 14, 2021

Traveling Through a Network

 


A ping allows a user to send signals to another device or website on the network to see if it is active and the response time. The computer accomplishes this by using the Internet Control Message Protocol (ICMP) to send out an echo sent to the destination device or website and gets back an echo reply if the device is active. Small packets of information pass through the routers in an attempt to reach their final location.  A router is a device that sends information from one device to another or website on the computer network. Pings are ideal for troubleshooting because they report information such as the number of packets sent, received, lost, and the amount of time if took roundtrip for the response back. If you ping a device and the response fails that indicates that the router or website is down. In the information returned you can identify what network the website or device is operating on.  For example, I pinged my business website and it showed that it was running off AT&T and the Shopify Platform. The Tracer command demonstrates the route a packet takes to the website or IP address desired. It traces all of the routers that the command passes through before it reaches its final destination. This is a good way to trouble shoot to determine which router of many could be down or causing an error along the way.


Domain name/IP address: Rakuten.co.jp/133.237.16.234
Number of Packets Sent: 4
Number of Packers Received: 4
Number of Packets Lost: 0
Range of Response Speeds:
-  Minimum: 147 Seconds
-  Maximum: 150 Seconds
-  Average:  147 Seconds



Domain name/IP address: Rakuten.co.jp/133.237.16.234
How many routers it passes through: 15
How long it takes to hop from router to router: Between 3 minutes and 150 minutes on average
If it failed before reaching its destination: N/A

In this week exercise I found that the pings and traces that I performed state side returned back with a quicker response time and passed through less routers.  Whereas the websites in Australia and in Japan passed through significantly more routers and took a longer time for the roundtrip to produce a response.

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