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first of all, TCP is on top of data link so it does not care what the network is below it.<br />
what do you exactly want to do?
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Given two networks. One modem and one satellite. Modem has propagation delay of 0.025 sec and satellite has pd of 0.26 sec. Modem has bandwidth 56Kbits/sec and satellite has bandwidth 2Mbits/sec. Now, say we are sending file from A to B using the above methods. Comparing both, <br />
<br />
1.In each of the networks, how much buffer space is needed to ensure that the sender is able to continuously send packets (assume 576 byte packets, 40 byte ACKs) until the first ACK is received? &nbsp;<br />
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2.Is this amount practical in a modern computer? &nbsp;<br />
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3. Is it possible to have this many unacknowledged bytes with TCP-reno?<br />
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4. Under what general conditions, if any, will a network be forced to stop sending and wait for an acknowledgement?<br />

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Yes boys and girls, it is no longer summer.
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OK I have looked at all the questions jtcy has and it looks at though he/she has many open on basically the same set of questions.<br />
There are some really cool answers in some of these questions.<br />
<br />
I realize that this for school work, but the in-depth &quot;geeky&quot; nature of the questions has perked my ears.<br />
And besides, jtcy seems to be really trying to grasp TCP concepts.<br />
Links below are so that you can peruse some of the answers and questions posed.<br />
<a href="https://www.experts-exchange.com/questions/20770838/Comparing-TCP-reno-over-GEO-and-56k-Modem.html" rel="ugc">https://www.experts-exchange.com/questions/20770838/Comparing-TCP-reno-over-GEO-and-56k-Modem.html</a><br />
<a href="https://www.experts-exchange.com/questions/20771530/Networking-TCP-buffer-questions.html" rel="ugc">https://www.experts-exchange.com/questions/20771530/Networking-TCP-buffer-questions.html</a><br />
<a href="https://www.experts-exchange.com/questions/20771688/How-to-calculate-TCP-window-size.html" rel="ugc">https://www.experts-exchange.com/questions/20771688/How-to-calculate-TCP-window-size.html</a><br />
<a href="https://www.experts-exchange.com/questions/20773026/what-is-today's-tcp's-buffer-space-size.html" rel="ugc">https://www.experts-exchange.com/questions/20773026/what-is-today's-tcp's-buffer-space-size.html</a><br />
<a href="https://www.experts-exchange.com/questions/20774356/TCP-reno.html" rel="ugc">https://www.experts-exchange.com/questions/20774356/TCP-reno.html</a><br />

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Will TCP reno ever be forced to stop sending and wait for an acknowledgement in a satellite network? What about a modem network?
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Will TCP reno ever be forced to stop sending and wait for an acknowledgement in a satellite network? What about a modem network?

TCP-reno

Networking software modules are interfaced with a framework implemented on the machine's operating system that implements the networking functionality of the operating system. The best known frameworks are the TCP/IP model and the OSI model. Systems typically do not use a single protocol to handle a transmission. Instead they use a set of cooperating protocols, sometimes called a protocol family or protocol suite.[9] Some of the best known protocol suites include: IPX/SPX, X.25, AX.25, AppleTalk and TCP/IP. Other protocols indirectly related to networking include the hypertext transfer protocol (HTTP) and its related technologies, Dynamic Host Configuration Protocol (DHCP), Domain Name Server (DNS) and other Internet protocols.

Networking Protocols

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.