Questions tagged [network-theory]

For questions about network theories, where In general, network theory is associated with the study of graphs and represented either in symmetric relation or asymmetric relation among discrete objects. Network theory is also applied to logistic networks, gene regularity networks, metabolic networks, the World Wide Web, ecological networks, epistemological networks and social networks.

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Identification field in ipv4 [duplicate]

What is the actual use of identification field in ipv4 and also does the same fragment packet Will share the same identification value
Darevil294's user avatar
1 vote
1 answer
51 views

Reverse ARP In Data Link Layer

In the arp the Mac address is used as a broadcast address with a value FF:FF:FF:FF:FF:FF as the destination hardware address. But What about reverse ARP broadcast address? Which broadcast address ...
Apabila X Terkadang's user avatar
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1 answer
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Option Field In TCP Header

In the tcp field option There are several options that can be added for example like mss But how if i don't use the SACK option, what kind of acknolegdment will I use cummulative?
Apabila X Terkadang's user avatar
1 vote
1 answer
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TCP Multiple Segment Acknolegdement

Let's take example where in the example i will use the Independent acknowledgment. Host A has send segment 1,2,3 to the host B, after host b receive each segment it will send a Acknolegdement for each ...
Apabila X Terkadang's user avatar
0 votes
1 answer
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TCP Duplicate Acknowledgement

Host A and Host B has establish the connection, Host A will send a segment 1,2,3,4,5,6 but segment number 2 and 5 is lost. Then the receiver will sending an duplicate ACK to sender, so whenever sender ...
Apabila X Terkadang's user avatar
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1 answer
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Reset Connection With RST Flag TCP

When a connection has been established between Host A and Host b, Then there is data exchange between host A and host b,Let's say host A already has 3 segments, segments 1 and 2 have been sent and ...
Apabila X Terkadang's user avatar
1 vote
1 answer
28 views

TCP Header Data Field

In TCP header there was a field called a data field which stores data, but does this field store the IPv4 header + datagram or just the datagram?
Darevil294's user avatar
0 votes
1 answer
38 views

Layer 2 Encapsulation and Decapsulation in Router

Whenever the router receive a packet from the local network, router will decapsulate the frame to be able access the IP information, after router have done know which interface it will send the data ...
Darevil294's user avatar
0 votes
1 answer
2k views

Size of an ethernet frame carrying an arp request using ip (no options) & ethernet?

OKay so I found that this frame has size 72 bytes with no explanation and I can't seem to be able to figure out why . Ethernet payload will be : ip header + arp packet Arp packet with ip & ethrnet ...
tonythestark's user avatar
-1 votes
1 answer
38 views

802.11 Protocol on Different Frequency [closed]

Wifi (and the 802.11 protocol) takes place on 2.4Ghz and 5Ghz frequencies. Is it possible to recreate this protocol on a different frequency (say 500Mhz) and create a functional network using a modded ...
matharpre's user avatar
9 votes
1 answer
1k views

What does it mean to “plumb” an IP address?

Plumbing an IP address means what? What are some examples of it?
stark0323's user avatar
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2 answers
804 views

Proof of the formula of redundancy bits in Hamming code for single error correction problem

m ---> number of data bits of a frame r ---> number of redundancy bits n=m+r ----> lenght of a codeword(data + redundancy bits) Imagine that we want to design a code with m message bits and ...
Giuseppe's user avatar
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2 answers
619 views

Can two or more computers that are physically close together form a connection/network without a router? If they can, how do they do so?

So, I am pretty familiar with things when a router is used. To my knowledge, packets travel from Computer A to the router, then the router directs it to Computer B. Problem solved. I get confused when ...
lpydawa's user avatar
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1 vote
1 answer
1k views

Symmetric routing and asymmetric routing plz elaborate

First of all thanks, Am pretty much confused this both term of routing read blog's and notes but still kinda confused.
user64956's user avatar
4 votes
2 answers
2k views

How is the term "fabric" defined in networking?

I know this is fundamental and I can find out in Google but so many people differ themselves when they talk about network "fabric". Kindly elaborate on this ?
user64956's user avatar
2 votes
1 answer
7k views

Broadcast link vs. point-to-point links

What is the distinction between broadcast links and point-to-point links? In the paragraph below, the author switches between "broadcast link" and "broadcast network" which is causing my confusion..is ...
nnkparikh's user avatar
  • 123
3 votes
1 answer
78 views

Effect of physical travel on wireless connectivity [closed]

Given a stationary wireless router and a wireless device traveling from point A to B--passing directly by the router along the path--is there a speed at which the wireless device could travel to cause ...
Beez's user avatar
  • 133