Sequence number - transport layer, Computer Networking

Assignment Help:

Sequence Number

After  the bytes have been numbered TCP assigns a sequence number to each segment   that is  being sent. These sequence number for each segment  is the number of the  first  byte  carried  in that  segment.

The  value  in the  sequence  number fields of a segment defines the number of the first  data byte  contained in that  segment when a segment carries a combination of data and control  information. It uses a  sequence number. If a segment  does not  carry  user data. It does  not logically define a sequence number. The field  is there but the value  is not  valid. However some  segments  when carrying  only  control information  needs a sequence  number to allow  an acknowledgment form  the receiver. These segments  are used  for connection  establishment. Termination  or  abortion. Each  of these segment  consumes one sequence number  as through it carried i byte but  there are no actual data. If the randomly  generated  sequence number  is x the first  data  byte  is numbered x +1. The  byte  x is  considered a phony byte  that  is used for a control  segment  to a connection.


Related Discussions:- Sequence number - transport layer

Circuit switched and packet-switched mode for sending a file, Two hosts are...

Two hosts are connected by a path made of four links as shown in the figure below. The links are of data rate R = 2 Mbps each. Host A has a file of size F = 1,000,000 bytes to tran

Receipt of acknowledgment - transport layer, Receipt of Acknowledgment ...

Receipt of Acknowledgment In our GBN  protocols  an acknowledgment for  packet with sequence number will be taken to be accumulative acknowledgment  indicating that all  packe

Firewall rules based on a fictitious organisation, Question 1 requires you ...

Question 1 requires you to develop firewall rules based on a fictitious organisation. Scenario: You work for a security-conscious company, xC-Cure, who develop encryption t

Deteemine token bus of 802.3, Token Bus Physical order of stations ...

Token Bus Physical order of stations doesn't matter Line is broadcast medium "Send" token by addressing neighbour Provisions for deleting, adding stations

Determine about unique least-cost path, Determine about unique least-cost p...

Determine about unique least-cost path If there is a unique least-cost path, the two algorithms will yield the similar result because they are both guaranteed to search the lea

Explain how contract net works, Question 1 Contract Net Protocol is the...

Question 1 Contract Net Protocol is the best known and most widely used cooperation protocol Explain how contract net works Discuss the benefits and limitations of con

Sap is used by the cisco ios for which encapsulation types, "SAP" is used b...

"SAP" is used by the Cisco IOS for which encapsulation types? Ans) Three types:- Ethernet_802.2 Token-Ring FDDI_802.2

Explain in brief about router, Router Routing achieved commercially pop...

Router Routing achieved commercially popularity in the mid - 1980s - at a time when large-scale Internetworking began to change the fairly simple, homogeneous environments. Rou

Layers, what are the layers covered under end to end later connectivity?

what are the layers covered under end to end later connectivity?

How a token ring networks allows sharing of bandwidth, Question: (a) E...

Question: (a) Explain how a Token Ring networks allows sharing of bandwidth (access control). (b) (i) CSMA/CD is not appropriate for wireless communication. Explain wh

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