A decentralised service composition approach for peer-to-peer video delivery

Kleis, Michael; Radier, Benoît; Elmoumouhi, Sanaa; Carle, Georg; Salaun, Mikael

doi:10.1007/s12083-009-0057-3

Cited by 4 publications

(1 citation statement)

References 26 publications

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“…That is, LPPe1.0 can't be applied to indoor location measurement. To solve the problem, they are discussing LPPe2.0 which includes the indoor location measurement methods [14][15][16][17][18][19][20][21][22][23].…”

Section: Indoor Location Based Servicementioning

confidence: 99%

Efficient peer-to-peer context awareness data forwarding scheme in emergency situations

Kim

Suk²

2015

Peer-to-Peer Netw. Appl.

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Recently, we usually use these words BEdge of Innovation^. It is caused by deployment of smartphone and various hand-held device including wearable devices. In most cases, the devices can easily communicate with other people or devices, and most of modern IT services are the converged services. These are very common phenomenon even in management of the disaster and safety fields. Generally, the emergency situations involve extreme situations such as a horrible congestion, bottleneck, some damaged infrastructure, and so on. Nonetheless, the infrastructure should support communications to the users in these situations. In this case, P2P communications and networking can be one of the best alternatives. In addition, if the P2P communications and networking method which is based on the device location can operate, it will be better solution than others. However, these solutions have been developing now, and the technology level is just a toddler stage, especially measuring indoor location. This is why we proposed the efficient peer-to-peer context awareness data forwarding scheme based on the devices location. The proposed P2P scheme has 2 operation modes. One is the normal mode, the other is the emergency mode. In normal mode, although the proposed P2P scheme is almost same as the existing P2P communication and networking scheme, the proposed P2P scheme is based on the synchronization between each peer when they need to communicate with other peers. In addition, the proposed P2P scheme dynamically assigns a bandwidth to users by the traffic types when the scheme is aware of P2P context. This is reason that it is a purpose to increase user throughput and to guarantee minimum user throughput. On the other hand, the propose P2P scheme will operate not only to find a best path, but also to transfer an emergency message, and the operation mode will automatically change to the emergency mode when the scheme is aware of the emergency situations based on P2P context awareness. Based on the proposed P2P scheme, the user can communicate with other people, and relay the message to outside in the emergency mode. To prove the excellence of proposed P2P scheme, we verified that the proposed P2P scheme outperforms than legacy scheme in various aspects, and we show these simulation results.

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