IPv4 Multihoming Practices and Limitations

Gill, Vijay; Abley, Joe; Davies, Elwyn; Lindqvist, Kurt; Black, Benjamin

doi:10.17487/rfc4116

Cited by 43 publications

(33 citation statements)

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“…and limited cooperation ("A multihoming strategy may require cooperation between a site and its transit providers, but should not require cooperation (relating specifically to the multihomed site) directly between the transit providers"). The IPv4 multi-homing system was assessed against the RFC3582 considerations by Abley et al in RFC4116 and found wanting [2].…”

Section: Ipv6mentioning

confidence: 99%

Internet Multi-Homing Problems: Explanations from Economics

Clayton

2010

Economics of Information Security and Privacy

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Companies seeking to ensure that their Internet connection is resilient often purchase services from multiple providers. This leads them inexorably towards having their IP address range visible in the global routing table, increasing the resource usage of every Internet router. Since this is essentially 'free', yet impacts the cost and stability of every router in the world, this is a classic 'tragedy of the commons'. There is little prospect of change in the IPv4 world, but there is a chance to fix the problem as IPv6 is rolled out. Unfortunately, SHIM6, the engineering solution chosen to solve this issue in IPv6, will only be effective if universally adopted, and there are no short-term incentives to prefer SHIM6 over a duplication of the IPv4 arrangements. Incentives could be artificially introduced by requiring payment for adding multihomed address space to the global routing table -a naïve estimate of the actual cost being 77 000 per routing prefix. However, it would be almost impossible to ensure the substantial revenues involved are correctly redistributed to those bearing the costs.

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Section: Ipv6mentioning

confidence: 99%

Internet Multi-Homing Problems: Explanations from Economics

Clayton

2010

Economics of Information Security and Privacy

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“…Multihoming refers generically to the case in which a site is served by more than one ISP [RFC4116]. There are several reasons for the observed increase in multihoming, including the increased reliance on the Internet for mission-and business-critical applications and the general decrease in cost to obtain Internet connectivity.…”

Section: Multihomingmentioning

confidence: 99%

Report from the IAB Workshop on Routing and Addressing

2007

164

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“…In broad sense, it is the measure of the overall walking conditions in an area. More specifically, it is the extent to which the built envi-ronment is friendly to the presence of people living, shopping, working, enjoying leisure pursuits or spending time in it (Abley, 2005). Put simply, walkability is perceived as an area that promotes walking.…”

Section: Introductionmentioning

confidence: 99%

Urban walking: Perspectives of locals and tourists

Farkić¹,

Perić²,

Lesjak³

et al. 2015

Geogr Pannon

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Urban planners and architects have done extensive research on walkability: what it means and how it correlates with urban design and quality of life of the locals, however, it has been hitherto neglected from the aspect of tourism studies. Many cities worldwide are or tend to be walkable as this leads to more sustainable and prosperous communities. In addition, walking-friendly environments greatly cater for leisure and tourism, as in many cities, walking is an integral part of tourist experience. Therefore, tourism industry can be of tremendous help for the city authorities in understanding walkers' needs and experiences.Taking into account both the locals and tourists, this research sought to: (1) determine the most frequently utilised modes of transportation in Novi Sad in Serbia and Koper in Slovenia; (2) assess thier reasons for walking and perception of the quality of pedestrian infrastructure; and (3) evaluate the psychometric properties of the questionnaire designed for the purpose of this study.The results show that the great majority of respondents walk in these two cities. The locals walk primarily to achieve physical fitness, whereas tourists walk primarily to explore the urban spaces. This makes more space for tourism as it combines a competitive supply able to meet visitors' expectations with a positive contribution to the sustainable development of cities and well-being of their residents. Furthermore, this study contributes to emphasising walking as a sustainable form of mobility in urban environment and can be the impetus for profiling Novi Sad and Koper as walking-friendly cities.

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IPv4 Multihoming Practices and Limitations

Cited by 43 publications

References 0 publications

Internet Multi-Homing Problems: Explanations from Economics

Internet Multi-Homing Problems: Explanations from Economics

Report from the IAB Workshop on Routing and Addressing

Urban walking: Perspectives of locals and tourists

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