IT Networking Designing - PDF

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Running head: IT NETWORKING DESIGNINGIT Networking DesigningName of the StudentName of the UniversityAuthor’s Note
1IT NETWORKING DESIGNINGTable of ContentsSECTION 1 (Research)...................................................................................................................2Introduction......................................................................................................................................2Basic characteristics and layered protocol stack design of TCP/IP protocols.................................2Difference between IPv6 and IPv4..................................................................................................3Transition mechanism......................................................................................................................4Dual IP stack implementation..........................................................................................................5Conclusion.......................................................................................................................................5SECTION 2 (Applied).....................................................................................................................6Project Task 1 – Examination of the TCP Header in IPv4 and IPv6...............................................6Answer to question 1.......................................................................................................................6Answer to question 2.......................................................................................................................7Project task 2 – Examination of 6to4 capture file............................................................................7Answer to Question 1......................................................................................................................7Answer to Question 2......................................................................................................................8Project Task 3 – Examination of the Teredo capture file and Router Solicitation packet.............11Answer to Question 1....................................................................................................................11Answer to Question 2....................................................................................................................11Bibliography..................................................................................................................................14
2IT NETWORKING DESIGNINGSECTION 1 (Research)IntroductionFor the preparation o0of the report a research is done on the TCP/IP protocols and therules followed in the communication network for the transmission of the data packets. Each ofthe layer of the TCP/IP model is responsible for sending and receiving the data packets andensures that the information are delivered and the management of the data transfer for theidentification of the transmission of the data. IP addressing is important for connecting with thehosts connected in the network.Basic characteristics and layered protocol stack design of TCP/IP protocolsInternet protocol suite is used in the network and the TCP/IP model acts as the standardfor development of the stack or the protocol suite for the network. Different modules comprisesto form the stack and different functionality are provided by the module. The modules should beindependent of each other and high layer protocol is used for supporting the lower layer of theprotocols. The protocol stack is used as a collection of the protocols that are used in the differentlayers of the TCP/IP model. The protocols are used for establishment of a connection betweenthe different types of devices connected in the network and mainly the five layers such asapplication, transport, network, data link and physical layer. The devices that requires to use theprotocol stack are categorized into host system or end system and intermediate node or system.Intermediate node utilizes the first three layers of the TCP/IP model for communicating with theother devices while there are some expectation that some of the device may use all the five layersfor successful communication. The effective element that is used for processing the sending andreceiving the data that are collected in the group for becoming the layer.
3IT NETWORKING DESIGNINGDifference between IPv6 and IPv4The main difference identified between the different versions of IP address are theaddressing scheme and the format of the packets for communicating in the network. The IPaddress are combined with the TCP for connecting with the different sources and establishmentof a direct link between the hosts.DescriptionIPv4IPv6Packet FormatIt have an IP headerthat is 20 to 60 byteslong and an addressmask is used for thedesignation of thenetwork using the hostconnected in thenetwork. An addressprefix is used for thedesignation of the hostportion and it is writtenas /nn.The length of the IP address is 40 bytes andit is much simple than the IPv4 header.Address mask is not used. The addressprefix is used for the designation of thesubnet and it is written as /nnn.Address Space4 bytes and 32 bitsaddress is used and it isdivided into differentclasses such as A, B,C, D, E. The totalnumber of addresssupported by the IPv4is 429496729616 bytes or 128 bits in length and it workson the 64 bit architecture. The host part ofthe IPv6 is derived from the Mac number ofthe interface and its architecture is complexthan the IPv4. 10^28 times more than theaddress provided by the IPv4.AddressrepresentationThe IPv4 address isrepresented asnnn.nnn.nnn.nnn andnnn is less than equalto 255. The maximumnumber that can beprinted is 15.The text form of IPv6 address isxxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxxwhere, x represents a 4 bit hexadecimaldigit. The o’s can be eliminated and doublecolon should be used for designation of the0 bits in the IPv6 address. E.g. :: ffff: 12:121:41 is an IPv4 address that is mapped toIPv6.Transition mechanismHost B (IPv4)InternetHost A (IPv6)
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