Fixed version of rdt , Computer Networking

Assignment Help:

Fixed version of rdt 2.0 rdt 2.1

The  rdt 2.1 sender and receiver  FSM each now  have  twice  as many  states  as before. This is because  the protocols  state must  now reflect whether  the packet   currently being  sent  or expected should have  a sequence number 0 or  note  that the action  as those  states where a 0 numbered packet is being  sent or expected are mirror images of those  where a  1-  numbered packet is being  sent  or expected the  only  difference have  to do  with the  handling  of the  sequence number .

498_Fixed version of rdt 2.0 rdt 2.1.png

                                                            figure rdt sender , handles garbled it ACK/ NACKs

Protocols rdt 2.1  uses both  positive  and negative acknowledgments  from the  receiver to  the sender  when an  out of  order packet is received the received the  receiver send  a positive  acknowledgment for the  packet it has received, when a corrupted packet is received the  receiver send a negative acknowledgement. We can  accomplish  the same  effect as a NAk  if instead of sending an NAK  we instead  send  an ACK  for the  last correctly received  packet. A sender that receives two ACK for the same  packet knows that the receiver did not correctly receive the packet the  following  the packet  that is being ACK   twice.


Related Discussions:- Fixed version of rdt

Difference among the communication and transmission, Difference among the c...

Difference among the communication and transmission? Transmission is a physical movement of information and concern issues as bit polarity, synchronization, clock etc. Commu

What are called fat clients and fat servers, What are called Fat clients an...

What are called Fat clients and Fat servers? If the bulk of the application runs on the Client side, then it is Fat clients. It is used for decision support and personal softwa

Data communications and networks, A magazine publisher based in Nairobi has...

A magazine publisher based in Nairobi has branch in Kisumu, and one in Mombasa. The company has kept in touch by telephone and courier service. Each office is networked. The networ

Determine about the tcp/ip and osi model, Determine about the TCP/IP and OS...

Determine about the TCP/IP and OSI model Both models are based on the layered protocols. Both comprise network, transport and application layer. In both the models, transport s

Process of securing an intranet, Process of Securing an Intranet Secur...

Process of Securing an Intranet Securing an Intranet is not a simple task. Mere installation of firewall hardware and software would not help the Intranet to protect itself. P

What does jade stands for, QUESTION (a) Briefly describe the dire...

QUESTION (a) Briefly describe the direct coordination model and the meeting oriented coordination model (b) What does JADE stands for? (c) Name the three spec

What is meant by asymmetric multiprocessing (amp), It imposes hierarchy and...

It imposes hierarchy and a division of labor between processors. Only one designated processor, the master, controls (in a tightly coupled arrangement) slave processors dedicated t

What is proxy ARP, What is Proxy ARP? Is using a router to give answer ...

What is Proxy ARP? Is using a router to give answer ARP requests. This will be completed when the originating host believes that a destination is local, when in fact is lies be

What is network server, What is Network Server? Network Server is a com...

What is Network Server? Network Server is a computer in Network that is designated to give one or more network service. For instance file server, database server etc.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd