Questions about problems that arise when you connect multiple computers to form a network.
-1
votes
0answers
36 views
What are different ways of executing computational tasks? [closed]
The different ways of executing computations that am aware of are, broadly
Centralized (Client/Server Model, a client outsources computations to a powerful server)
Decentralized (distributed Model, ...
0
votes
1answer
148 views
Performance differences between Go-Back-N and Selective Repeat ARQ protocols?
This is what I know:
GBN weakness is the fact that when the window size is too large, the number of packets in the pipeline grows and one packet error causes the retransmition of many packets ...
0
votes
0answers
13 views
What is “switch factory delay”？
In the switched-network field, I encounter a term as
switch factory delay.
It is a time period component of the total delay of a packet traversing the whole network system on a switch or on a physical ...
-3
votes
1answer
212 views
How to share internet connection (PPPOE over WiFi) of my laptop? [closed]
i have a Laptop with wifi in it and i want to share my internet connection over wifi.
i tried many stuffs like manual adding hotspot, tried many different software like connectify, mhotspot and ...
1
vote
1answer
33 views
What is $R_\min$ in this formulat for optimal buffer size?
I read a question from my recitation about optimal buffer size. As solution there is a furmula for calculating the optimal buffer size; I'm not sure about one of its parameters. The formula is
$\quad ...
0
votes
3answers
101 views
RTT (Round Trip Time) calculation
How do I calculate RTT, do I start to measure the time from the beginning of the segment transmition or from the moment all the segment had been transmitted?
The end time is the moment the sender ...
2
votes
1answer
89 views
Simple routing table question
I'm having difficulties understanding the solution to the following question:
Consider the following description of a LAN:
The main Internet connection is connected to our gateway router. ...
0
votes
1answer
64 views
Jamming signal useless in CSMA / CD?
I'm looking at collision detection in communication protocols, in particular Carrier sense multiple access with collision detection (CSMA/CD). According to what I've read on Wikipedia, a collision ...
0
votes
2answers
27 views
P2P and C/S, is it possible to determine which one is more bandwidth consuming?
In peer-to-peer (P2P) networks nodes are interconnected with each other. In client/server (C/S) networks clients talks to the server. If in a C/S network clients also want to talk with each other ...
0
votes
1answer
70 views
Names of Softwares used for modeling
Which tools or softwares are mostly used for the purpose of modeling a computer network?
3
votes
0answers
109 views
Reasons behind the choice of 172.16/192.168? [closed]
It is a known fact that there are three blocks of IPv4 Addresses that were chosen to be reserved for private networks:
...
0
votes
1answer
43 views
RDT2.1 - does the Sender listener to “ack” even though state=ready?
Computer Networking:
A Top Down Approach
Featuring the Internet,
Jim Kurose, Keith Ross
Addison-Wesley 4nd edition , page -223.
Also here slide 60 .
RDT2.1 (Reliable data transfer) -
...
1
vote
1answer
41 views
Routing Algorithms and Hosts
I'm reading a book about computer network theory, and one topic is discusses is routing algorithms. It only mentions (probably not intentionally) how routers participate in forming the understood ...
0
votes
0answers
69 views
What is the easiest programming language to simulate a computer architecture? [closed]
What is the simplest computer language I can use to simulate a SIMD multiprocessor system if the # of processing elements, # of memory units, and an interconnection network is specified?
The ...
1
vote
1answer
239 views
Graph Theory and computer networks [closed]
What are the various graph theory techniques which are used in modelling of computer networks? Secondly, Will routing algorithms like bellmanford etc also be considered to be part of modelling ...
0
votes
0answers
109 views
Response for IP Record Route Option [closed]
The IP Record Route option enables the recording of the path where each router traversed inserts its IP address (up to 9 routers). (Traceroute is likely to be used instead but I want to understand ...
0
votes
0answers
84 views
How to calculate the blocking probability of processes with gamma-distributed service times using the Erlang formula?
I have seen numerous examples of using the Erlang formula to calculate the blocking probability for processes with exponentially distributed service times. However, I am not quite sure how to do that ...
1
vote
0answers
106 views
Has Little Endian won? [closed]
When teaching recently about the Big vs. Little Endian battle, a student asked whether it had been settled, and I realized I didn't know. Looking at the Wikipedia article, it seems that the most ...
3
votes
2answers
119 views
Analyzing Twitter Relationships
I'm not even sure if this is the right StackExchange to post this, but it seems like sentiment analysis would go here.
What would be the best approach to determine if two people on Twitter are ...
4
votes
2answers
66 views
Message receipt verification in a cluster
At my current project I had a network problem come up for which I could not find a solution. In a peer-to-peer network I needed to send an action to all peers, and each peer was to act on it only if ...
7
votes
0answers
179 views
Weak hashing function for memorable IPv6 addresses
IPv6 addresses in the form of 862A:7373:3386:BF1F:8D77:D3D2:220F:D7E0 are much harder to memorize or even transcribe than the 4 octets of IPv4.
There have been ...
4
votes
3answers
155 views
Why is it seemingly easier to resume torrent downloads than browser downloads?
I really wonder how torrent downloads can be resumed at later point of time.
If such a technology exists, then why is it not possible in browsers?
It is often not possible to pause a browser download ...
7
votes
1answer
202 views
What is the growth rate of the world wide web?
Is there any way to estimate how much data is added to the world wide web each second? Are there any studies about this?
4
votes
1answer
105 views
What techniques exist for energy-efficient computing and networking?
I am currently reviewing the potentials of cloud computing regarding energy efficiency and green IT. In connection with this review I am having a look on techniques for increasing energy-efficiency in ...
1
vote
1answer
43 views
How will broadcast behave with a certain capacity?
I wanted to confirm something and will appreciate your help. Suppose we have three nodes called A,B and C. All are connected to a switch whose port supports 1 Gbps. Now suppose, Node's A network card ...
9
votes
2answers
495 views
How does a wifi password encrypt data using WEP and WPA?
How does the password that we enter (to connect to a wireless network) encrypt the data on the wireless network?
Through my reading I am not sure if the password that we enter is the same as the ...
10
votes
2answers
438 views
Measuring one way network latency
This is a puzzle about measuring network latency that I created. I believe the solution is that it's impossible, but friends disagree. I'm looking for convincing explanations either way. (Though it is ...
8
votes
1answer
106 views
Analysis of and references for Koch-snowflake-like (and other exotic) network topologies
In computer networking and high-performance cluster computer design, network topology refers to the design of the way in which nodes are connected by links to form a communication network. Common ...
24
votes
5answers
1k views
Clock synchronization in a network with asymmetric delays
Assume a computer has a precise clock which is not initialized. That is, the time on the computer's clock is the real time plus some constant offset. The computer has a network connection and we want ...
