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The new Internet terminals are at the same time mobile and multihomed since they are able to change their point of attachment to the network, and embed several network interfaces. Each one can be attached to a different network. Multihoming and mobility are generally considered as two separate concepts and thus are handled by different protocols. Nontheless, mobility and multihoming share the same...
Mobile IPv6 (MIPv6) is the current standard for end host mobility management in the Internet. In order to provide location management, MIPv6 operates in two different modes while the mobile node (MN) is away from its home. In the first mode, the MN incoming packets are tunneled to the MN current location via the home network. In the second mode, the traffic is exchanged directly between the MN and...
SIP (Session Initiation Protocol) is standardized by Internet Engineering Task Force (IETF) as a signaling and control functionality for multimedia services (video and audio). However, SIP is a text-based protocol with messages usually exceeding several hundred bytes in size, thus causing high call set-up latency over low bit-rate links. As a consequence, SIP suffers from undesirable delay which is...
This paper presents a comparative analysis, set in Vanet scenarios and based on simulations, between the well-known IEEE 802.11p standard and an efficient slotted protocol based on RR-Aloha (MS-Aloha). Notably the chosen slotted protocol is completely distributed and based on reservation, and has been specifically designed to face issues typical of mobility, while preserving quality of service guarantee...
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