IP Networking over Next-Generation Satellite Systems: International Workshop, Budapest, July 2007
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This workshop proceedings introduces the latest innovations and trends in IP-based applications and satellite networking. It explains many aspects of advanced satellite networking systems, such as deployment of IPv6 over satellites, working with WLAN and WiMax, and rules concerning multi-segment networks. In addition, the book covers hot-button issues such as security, architecture improvement, resource allocation, video networking, and service integration.
solved with a double-hop communication through the hub. This Hub or gateway allows the interconnectivity with external terrestrial networks. 2. Star/mesh regenerative (based on OBP, On Board Processing technologies). One single Hub or NCC is used for control and management. Multiple gateways/ feeders are envisaged to provide distributed interconnectivity with external terrestrial networks. The new generation satellite based on OBP allows direct connectivity between two terminals (only one hop),
continuous mobility and seamless mobility. Next, two mobility contexts; macromobility and micromobility, according to network hierarchy have been considered. To improve the mobility management, and reducing signaling overhead and handover delay when using MIPv6, the enhancement protocols HMIPV6, FMIPv6 and the combination FHMIPv6 are investigated. When needed (for QoS purposes for instance), upper layer mobility in SATSIX provides SIP applications with QoS support, maybe combined with MIP6
an extension of Mobile IPv6 (FMIPv6) that anticipates the layer 3 handover based on layer 2 triggers. The layer 2 triggers could be utilized as in IEEE 802.21 . Because trains move in fixed paths, FMIPv6 that reduces handover time by anticipating movements is easily applicable to trains. Figure 4.1 describes signal flows of Fast MIPv6 between a MN (Mobile Node) and ARs (Access Routers). The MN exchanges a RtSolPr (Router Solicitation for Proxy Advertisement) message and a PrRtAdv (Proxy Router
(Session Description Protocol) to signal session start-up and session stream details. However, this cross-layer approach can be used with any session signaling protocol. This cross-layer approach to provision RBDC is divided in three steps described now: Application Dependent Mapping (First Step) In order to do a precise anticipation of resources reservation and request when multimedia session starts, we need to know the amount of resources required by 82 F. Nivor et al. this session. We
are controlled and employed is also defined in this document.