Question

Thoughts and feedback on this?

If there were no hop limits put on packets, the packet could get stuck in an infinite loop and slow down the network. It could also cause the packet to lose data. According to Ms. Taylor from Stanford, It typically takes 10-20 hops in order to reach a destination. 

I’m struggling to find a reason why a series of routers on a network wouldn’t surge the hop count past 255. From viewing Tirek’s response, it seems that there should be a routing algorithm to get the packet to it’s destination efficiently in a few hops. Looking at Luke’s post, He says that a hop wouldn’t count until it leaves the network. Looking at an article from techtarget, Routing Information Protocol or RIP would use a distance vector algorithm in order to use the most efficient route available to the destination. But it still sounds like it's possible to exceed the hop limit if there is a remote router on a large network.

 

 

References

 

 What is Routing Information Protocol (RIP) and How Does It Work?. (2020). Retrieved 19 March 2020, from https://searchnetworking.techtarget.com/definition/Routing-Information-Protocol

 

https://web.stanford.edu/class/cs101/network-3-internet.html

Answer 1

Hope Count :- It is the maximum network number through which packet can pass-trough.

Your-doubt:- why series of routers on a network wouldn’t surge the hop count past 255 ?

This is due to the hierarchical structure of the Internet which increase the speed of network and decrease the no of hope count.

typically it tooks 2-3 hitsfor hit your ISP's backbone and another networks its tooks another 2-3 hits. Running a quick test (from Germany) shows 17 hops to the US and 18 to Japan. in worst case also it tooks 30-40 hits more if most of network is down simulteniously which is not possible.

   RIP and other protocol is used to avoid the loops and minimized the distance between two network.so avoiding loops decrease the hope count and help to reach at destination within minimum hope jumping.

This graph is based on prctical and we can see that even if nodes goes to 2400 at that time also maximum hope is goes to 14 .

so in even worst to worst case it will never reach to its max limit 255.

      so Ms. Taylor statement was right that " It typically takes 10-20 hops in order to reach a destination."