Internet Protocol, Version 6 (IPv6) Specification

Deering, S.

doi:10.17487/rfc8200

Cited by 487 publications

(202 citation statements)

References 11 publications

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“…The IETF specified the 6LoWPAN protocol [4] to allow for transmissions of IPv6 packets over IEEE 802.15.4 [3] networks-a widely used link layer technology in the IoT. While IPv6 requires a Maximum Transmission Unit (MTU) of at least 1280 bytes [2], IEEE 802.15.4 is only able to handle link layer packets of up to 127 bytes-including the link layer header-which in the worst case only leaves 33 bytes for application data [8]. To enable IPv6 communication in such a restrictive environment, 6LoWPAN provides both header compression [9], [10] and datagram fragmentation [4].…”

Section: Problem Statement and Related Workmentioning

confidence: 99%

“…The naive approach to handle fragmented datagrams in a multihop network is hop-wise reassembly (HWR) [2], [4]. In HWR, each intermediate hop between source and destination assembles and re-fragments the original datagram completely.…”

Section: B Fragment Forwarding For Low-power Lossy Networkmentioning

confidence: 99%

“…Lower PDRs do not contribute to a better understanding of the problem space in this paper. The network is then constructed by a breadth-first search over all available nodes of the testbed site, starting at the sink s. 2 To prevent a bias towards specific nodes, our network construction algorithm works as follows.…”

Section: A Setupmentioning

confidence: 99%

“…We configured all routes based on the breadth-first search. Except for the sink and its neighbors, 2 We select node 55 as the sink as it is located centrally between the more crowded nodes in the dedicated room and the more sparse nodes in the office space at the Lille site. This ensures that a balanced set of both network deployment scenarios is included.…”

Section: A Setupmentioning

confidence: 99%

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A Lesson in Scaling 6LoWPAN – Minimal Fragment Forwarding in Lossy Networks

Lenders

Schmidt

Wählisch

2019

2019 IEEE 44th Conference on Local Computer Networks (LCN)

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This paper evaluates two forwarding strategies for fragmented datagrams in the IoT: hop-wise reassembly and a minimal approach to direct forwarding of fragments. Direct fragment forwarding is challenged by the lack of forwarding information at subsequent fragments in 6LoWPAN and thus requires additional data at nodes. We compare the two approaches in extensive experiments evaluating reliability, end-to-end latency, and memory consumption. In contrast to previous work and due to our real-world testbed setup, we obtained different results and conclusions. Our findings indicate that direct fragment forwarding should be deployed with care, since higher packet transmission rates on the link layer can significantly reduce its reliability, which in turn can even further reduce end-to-end latency because of highly increased link layer retransmissions.

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Section: Problem Statement and Related Workmentioning

confidence: 99%

Section: B Fragment Forwarding For Low-power Lossy Networkmentioning

confidence: 99%

Section: A Setupmentioning

confidence: 99%

Section: A Setupmentioning

confidence: 99%

See 2 more Smart Citations

A Lesson in Scaling 6LoWPAN – Minimal Fragment Forwarding in Lossy Networks

Lenders

Schmidt

Wählisch

2019

2019 IEEE 44th Conference on Local Computer Networks (LCN)

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“…Due to the restrictions imposed by the LLN devices and their underlying technologies, initially the Internet Protocol version 6 (IPv6) [34] was considered to be too resource intensive for such constrained devices [35]. Alternative proprietary solutions tended to implement complex application gateways to translate the non-IP format, understood by such networks, to the IP world [36].…”

Section: ) 6lowpan (Layer 25)mentioning

confidence: 99%

A Survey of Limitations and Enhancements of the IPv6 Routing Protocol for Low-Power and Lossy Networks: A Focus on Core Operations

Ghaleb

Al‐Dubai

Ekonomou

et al. 2019

IEEE Commun. Surv. Tutorials

121

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Driven by the special requirements of the Lowpower and Lossy Networks (LLNs), the IPv6 Routing Protocol for LLNs (RPL) was standardized by the IETF some six years ago to tackle the routing issue in such networks. Since its introduction, however, numerous studies have pointed out that, in its current form, RPL suffers from issues that limit its efficiency and domain of applicability. Thus, several solutions have been proposed in the literature in an attempt to overcome these identified limitations. In this survey, we aim mainly to provide a comprehensive review of these research proposals assessing whether such proposals have succeeded in overcoming the standard reported limitations related to its core operations. Although some of RPL's weaknesses have been addressed successfully, the study found that the proposed solutions remain deficient in overcoming several others. Hence, the study investigates where such proposals still fall short, the challenges and pitfalls to avoid, thus would help researchers formulate a clear foundation for the development of further successful extensions in future allowing the protocol to be applied more widely.

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Virtual Private Networks

Steinemann

Braun

Danzeisen

et al. 2003

Wiley Encyclopedia of Telecommunications

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The tremendous growth and decreasing costs of Internet technology forced many companies to substitute expensive leased lines by connections based on Internet Protocols. This allows enterprises to establish Intranets and to offer remote employees to securely access such an Intranet. In addition, networks of different business partner can be interconnected forming Extranets. A key technology is the IP Security (IPSec) protocol suite that enhances the Internet Protocol (IP). IPSec introduces security comparable to leased lines but is much less costly due to the fact that Internet resources can be shared among different users. Such networks that are constructed using secure methods to transfer information are called Virtual Private Networks. They represent a further step towards a more secure, less costly and universal communications platform.

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Internet Protocol, Version 6 (IPv6) Specification

Cited by 487 publications

References 11 publications

A Lesson in Scaling 6LoWPAN – Minimal Fragment Forwarding in Lossy Networks

A Lesson in Scaling 6LoWPAN – Minimal Fragment Forwarding in Lossy Networks

A Survey of Limitations and Enhancements of the IPv6 Routing Protocol for Low-Power and Lossy Networks: A Focus on Core Operations

Virtual Private Networks

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