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04/12/23 1ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
ABSTRACT
•To To simplify the OSI layered architecture by reducing the size simplify the OSI layered architecture by reducing the size of the data link header or removing it completelyof the data link header or removing it completely..
•To To maximize the performance of data transmissionmaximize the performance of data transmission. .
• To To minimize the use of bandwidth for data transmission .minimize the use of bandwidth for data transmission .
•The elimination of MAC.
04/12/23 2ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
Application
Presentation
Session
Network
Transport
Data Link
Physical
Application
Presentation
Session
Network
Transport
Physical
OSI ModelLayer
Proposed OSI Model
04/12/23 3ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
oNo framing process
oIncreased speed transfer
oReduce worm and virus outbreak
oBuffering is reduced, efficiency increased
04/12/23 4ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
oARP which is being used currently is not required.
OutlineContents
1
2
3
4
5
Limitations of IPv6.
Introduction.
Overview of IPv6.
State of the Art
Open issues for Research
CONTENTS
Continued04/12/23
5
ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
Contents
6
7
8
9
10
Proposed Research
Expected Contribution.
Timeline
Conclusion.
References.
04/12/23 6ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
04/12/23 7ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
Problems with IPv4 : Limited Address Space
IPv4 has 32 bit addresses.Flat addressing (only netid + hostid with “fixed” boundaries)Results in inefficient use of address space.Class B addresses are almost over.Addresses will exhaust in the next 5 years.IPv4 is victim of its own success.
04/12/23 8ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
Problems with IPv4 : Header Limitations
Maximum header length is 60 octets.(Restricts options)
Maximum packet length is 64K octets.(Do we need more than that ?)
ID for fragments is 16 bits. Repeats every 65537th packet. (Will two packets in the network have same ID?)
Variable size header.(Slower processing at routers.)
No ordering of options.(All routers need to look at all options.)
04/12/23 9ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
Problems with IPv4:Other Limitations
1. Lack of quality-of-service support.-Only an 8-bit ToS field,which is hardly used.- Problem for multimedia services.
2. No support for security at IP layer.3. Mobility support is limited.
04/12/23 10ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
Summary of IPv6 Main Benefits.
•Larger address space.•Expanded routing and addressing capabilities•Improved support for extensions and optionsFlow labeling (for QoS) capabilityServer-less Auto-configuration(Plug and Play), Reconfiguration and Neighbour discovery(ND)Authentication and privacy capabilitiesSimple transition from IPv4.Built in Strong IP-layer Encryption ,Decryption and Authentication.Real time applications like Video & Audio.More efficient and Robust mobility mechanisms.Improved support for options and extensions.Streamed Header format simplification
04/12/23 11ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
IPv6 Header Format.
Traffic Class Flow LabelVers
Payload Length Next Header Hop Limit
128 bits Source Address
128 bits Destination Address
0 4 12 16 24 31
o From 12 to 8 Fields (40 Bytes)
Avoid Checksum redundancy.Fragmentation end to end.
•40 Bytes
•Addressed increased from 32 to 128 bits.• Fragmentation and Options field removed from Base Header.
•Header Checksum removed.
•Header length is only Payload.[Because Fixed Length Header].
•New Flow label Field.
•Tos->Traffic Class.
•Protocol->Next Header.(Extension Header).
•Time to Live-> Hop limit.
•Alignment changed to 64 bits.
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23,Tamilnadu,Karnataka. 12
•Summary of Header Changes.
04/12/23 13ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
IPv6 Over Fiber Vs Current Data Sending Procedure
Sending Application
Data (Text, Video, Audio, etc.)
4 3 2 1
TCP
Application layer
Sending Application
3 2 1
TCP
IPv6 Over FiberIPv6 Over Fiber Current Data linkCurrent Data link
04/12/23 14ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
04/12/23 15ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
1TCP
Sending Application
Data (Text, Video, Audio, etc.)
4
Transport layer
3 2
TCP
Sending Application
Data (Text, Video, Audio, etc.)
4 3
TCP 1TCP
IPIP
2
Application layer
IPv6 Over FiberIPv6 Over Fiber Current Data linkCurrent Data link
04/12/23 16ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
2TCP
Sending Application
Data (Text, Video, Audio, etc.)
4
Transport layer
TCP
Sending Application
Data (Text, Video, Audio, etc.)
4
Transport layer
3
TCP
Network layer
2TCP
IP
Physical layer MAC
1TCPIP
IP 1TCPIP
3
Application layer
IPv6 Over Fiber Vs Current Data Sending ProcedureIPv6 Over Fiber Vs Current Data Sending Procedure
IPv6 Over FiberIPv6 Over Fiber Current Data linkCurrent Data link
04/12/23 17ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
3TCP
Sending Application
Data (Text, Video, Audio, etc.)Transport layer
TCP
Network layer
Physical layerIP 2TCPIP
Network layer1TCPIP
4
Application layer Sending Application
Data (Text, Video, Audio, etc.)
4
Transport layer
Network layer
Data Link layer
Physical layer
TCP 3TCP
IP
MAC
2TCPIP
1TCPIPMAC
IPv6 Over FiberIPv6 Over Fiber Current Data linkCurrent Data link
04/12/23 18ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
4TCP4TCP
Sending Application
Data (Text, Video, Audio, etc.)Transport layer
Network layer
Data Link layer
Physical layer
Data Link layer
Sending Application
Data (Text, Video, Audio, etc.)Transport layer
Network layerIP
Physical layerMAC
3TCPIPIP 3TCPIP
Network layer2TCPIP 2TCPIPMAC
IPTransport layer
1TCPIPMAC1TCP
Application layer
IPv6 Over FiberIPv6 Over Fiber Current Data linkCurrent Data link
04/12/23 19ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
4TCPIP
Sending Application
Data (Text, Video, Audio, etc.)Transport layer
Network layer
Data Link layer
Physical layer
Network layer
Data Link layer
Sending Application
Data (Text, Video, Audio, etc.)Transport layer
Network layer
Physical layerMAC
Network layer
3TCPIPMAC
IPTransport layer
2TCPIPMAC
1TCPIPMAC
1TCP
4TCPIP
3TCPIP
2TCP
Application layer
IPv6 Over FiberIPv6 Over Fiber Current Data linkCurrent Data link
04/12/23 20ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
Sending Application
Data (Text, Video, Audio, etc.)Transport layer
Network layer
Data Link layer
Physical layer
Network layer
Data Link layer
Transport layer
Sending Application
Data (Text, Video, Audio, etc.)Transport layer
Network layer
Physical layer
Network layerIP
Transport layer
3TCPIPMAC
2TCPIPMAC
2TCP
4TCPIP
3TCP
1IP
4TCPIPMAC
1TCP
Application layerIPv6 Over FiberIPv6 Over Fiber Current Data linkCurrent Data link
04/12/23 21ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
Sending Application
Data (Text, Video, Audio, etc.)Transport layer
Network layer
Data Link layer
Physical layer
Network layer
Data Link layer
Transport layer
Sending Application
Data (Text, Video, Audio, etc.)Transport layer
Network layer
Physical layer
Network layer
IPTransport layer
4TCPIPMAC
3TCPIPMAC
3TCP
4TCP
1
IP
2 1TCP
2TCP
Application layer
IPv6 Over FiberIPv6 Over Fiber Current Data linkCurrent Data link
04/12/23 22ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
Sending Application
Data (Text, Video, Audio, etc.)Transport layer
Network layer
Data Link layer
Physical layer
Network layer
Data Link layer
Transport layer
Sending Application
Data (Text, Video, Audio, etc.)Transport layer
Network layer
Physical layer
Network layer
Transport layer4TCPIPMAC
4TCP
1
IP
2
3TCP
32TCP
1
Application layer
IPv6 Over FiberIPv6 Over Fiber Current Data linkCurrent Data link
04/12/23 23ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
Data (Text, Video, Audio, etc.)
Sending Application
Data (Text, Video, Audio, etc.)Transport layer
Network layer
Data Link layer
Physical layer
Network layer
Data Link layer
Transport layer
Sending Application
Data (Text, Video, Audio, etc.)Transport layer
Network layer
Physical layer
Network layer
Transport layer
IP 4TCP1234
3TCP
12
Application layer
IPv6 Over FiberIPv6 Over Fiber Current Data linkCurrent Data link
04/12/23 24ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
Data (Text, Video, Audio, etc.)
Sending Application
Data (Text, Video, Audio, etc.)Transport layer
Network layer
Data Link layer
Physical layer
Network layer
Data Link layer
Transport layer
Sending Application
Data (Text, Video, Audio, etc.)Transport layer
Network layer
Physical layer
Network layer
Transport layer
4TCP
123Receiving Application
Application layerIPv6 Over FiberIPv6 Over Fiber Current Data linkCurrent Data link
04/12/23 25ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
Data (Text, Video, Audio, etc.)
Sending Application
Data (Text, Video, Audio, etc.)Transport layer
Network layer
Data Link layer
Physical layer
Network layer
Data Link layer
Transport layer
Sending Application
Data (Text, Video, Audio, etc.)Transport layer
Network layer
Physical layer
Network layer
Transport layer
4TCP
123Receiving Application
Application layerIPv6 Over FiberIPv6 Over Fiber Current Data linkCurrent Data link
•IPv6 over Fibre Impact on Hardware
04/12/23 ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka. 26
Only drivers have to beOnly drivers have to berewritten for the NIC. rewritten for the NIC. No changes required forNo changes required formanufacturing itmanufacturing it..
Routing Table will consist of IPv6 Address and Routing Table will consist of IPv6 Address and smaller routing table entry. smaller routing table entry. No MAC address to IP mapping is required No MAC address to IP mapping is required resulting in router performing faster and more resulting in router performing faster and more Efficient.Efficient.
Layer 2 switches will be obsolete or will have Layer 2 switches will be obsolete or will have to run dual stack. to run dual stack. Layer 3 switches will experience faster Layer 3 switches will experience faster packet processingpacket processing..
04/12/23 27ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
• Once the new architecture is in place, a dual stack is needed to process packets transmitted from both the current architecture as well as the new architecture.
• The protocol initiated will automatically choose the appropriate stack.
• This will be an international standard to be used by all Internet applications especially for real time applications.
IPv6 over Fiber Dual Stacking
InternetInternetIPv6 Over FiberIPv6 Over Fiber
References
[1].Manjaih .D.H. Hanumanthappa.J,2008,A Study on Comparison and Contrast between IPv4 and IPv6 Feature sets.In Proceedings of ICCNS’08, 2008,Pune,297-302. [2].Manjaih.D.H.,Hanumanthappa.J.,2008,Transition of IPv4 Network Applications to IPv6 Applications,In Proceedings of ICETiC- 09,2009,S.P.G.C. Nagar,VirudhaNagar-626 001,TamilNadu,INDIA-35-40. [3] Manjaih.D.H.Hanumanthappa.J. 2009, IPv6 over Bluetooth: Security Aspects, Issues and its Challenges, In Proceedings of NCWNT-09, 2009, Nitte-574 110, Karnataka, INDIA–18-22. [4].Manjaih.D.H.,Hanumanthappa.J.,2009,Economical and Technical costs for the Transition of IPv4 –to-IPv6 Mechanisms [ETCTIPv4 to ETCTIPv6],In Proceedings of NCWNT-09,2009,Nitee-574110,Karnataka,INDA-12-17. [5].Manjaih.D.H. Hanumanthappa.J. 2009, Smooth porting process scenario during the IPv6 transition, in Proceedings of IACC’09, March 6-7, Patiala, Punjab, INDIA. [6] Manjaiah. D. H. and Hanumanthappa.J. IPv6 over IPv4 QoS metrics in 4G–Networks: Delay, Jitter, Packet Loss Performance, Throughput and Tunnel Discovery mechanisms. Proceedings of NCOWN-2009, RLJIT, Doddaballapur, Bangalore, Karnataka, INDIA, August-21-22-pp.122-137.[7]Hanumanthappa. J. And Manjaiah.D.H.”A Study on IPv6 in IPv4 Static Tunneling threat issues in 4G Networks using OOAD Class and Instance Diagrams” in Proceedings of the International Conference on Emerging trends in Computer science and Information technology(CSCIT-2010)organized by Dept.of.CS and Information Technology,Yeshwant ahavidyalaya,Nanded,Maharashtra,India,(2010).[8] Hanumanthappa.J. and Manjaiah.D.H.”An IPv4–to-IPv6 Threat
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•Questions ?
04/12/23 31ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
04/12/23 32ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
04/12/23 33ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.
04/12/23 34ICCCI2010,Madurai,July:22-23,Tamilnadu,Karnataka.