What is piggybacked ack, Computer Networking

Assignment Help:

What is piggybacked ACK

The protocol will be incorrect. Suppose that 3-bit sequence numbers we are using. Consider following situation:

A just send frame 7.

B gets frame and sends a piggybacked ACK.

A gets ACK and sends frames 0-6, all of that get lost.

B times out and again transmits its current frame, with ACK 7.

Look at the situation at A when frame with r.ack = 7 arrive. The key variables are AckExpected = 0, r.ack = 7, and Next Frame to Send = 7. The modified among will return true, causing A to think lost frames were being acknowledged.

 


Related Discussions:- What is piggybacked ack

Objectives of parallel programming, OBJECTIVES After reading this unit,...

OBJECTIVES After reading this unit, you should be able to: Describe the basics of parallel programming; Explain the parallel programming based on message passing;

How can data to be exchanged between networks, Q. How can data to be exchan...

Q. How can data to be exchanged between Networks? Internetwork Links in an internetwork

Record route ip option, The address recorded by a router should be its outg...

The address recorded by a router should be its outgoing interface. That is, if a router forwards a datagram that has the record route option enabled, and if the datagram arrives at

What are all the base services provided by the os, What are all the Base se...

What are all the Base services provided by the OS? Interprocess communications (IPC) Task preemption Task priority Local/Remote Interprocess communication Semaphor

State about the single sign-on intranet, State about the Single Sign-On Int...

State about the Single Sign-On Intranet This Intranet, if managed efficiently, allows maximum security by firewalling anyone from inappropriate sites automatically. For exam

Introduction to operations research, explain the three classification of op...

explain the three classification of operation research

Simplicity - transport layer, Simplicity The advantage of this approa...

Simplicity The advantage of this approach is the simplicity  of receiver buffering. The  receiver need not  buffer out of  order packets the sender must maintain the upper an

Types of ospf configuration, Name the types of OSPF Configuration? Ans) ...

Name the types of OSPF Configuration? Ans) There are Two Types of OSPF configuration A ) SINGLE AREA b) MULTI AREA

Work-sharing constructs in openmp, Work-Sharing Constructs A work-shari...

Work-Sharing Constructs A work-sharing construct distributes the implementation of the associated region between the members of the team that encounters it. A work-sharing cons

What is the purpose of arp, ARP is used to search a devices MAC address giv...

ARP is used to search a devices MAC address given an IP address.

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