IP networking over next-generation satellite systems : by Linghang Fan, Haitham Cruickshank, Zhili Sun

By Linghang Fan, Haitham Cruickshank, Zhili Sun

This workshop complaints introduces the newest strategies and tendencies in IP-based purposes and satellite tv for pc networking. It explains many facets of complicated satellite tv for pc networking structures, similar to deployment of IPv6 over satellites, operating with WLAN and WiMax, and ideas touching on multi-segment networks. furthermore, the ebook covers hot-button matters resembling safeguard, structure development, source allocation, video networking, and repair integration.

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Extra resources for IP networking over next-generation satellite systems : International Workshop, Budapest, July 2007

Example text

Callejo et al. – Star connectivity between an RCST and external networks. The RCST sends the data to the NCC/TSGW and it routes it to the Internet through an ISP network. – Star connectivity between two RCSTs, all the data is received in the NCC/TSGW and routed to the other RCST. This means that the connection between RCSTs is indirect (double hop), the RCSTs only have direct connectivity to the GW. In both cases all the data goes through the NCC/TSGW, the first one needs two satellite hops while the second one requires a satellite hop to reach the ISP.

The consortium of the SATSIX project wants to go a step beyond in satellite communication. The objectives identified have been: IPv6, mobility and new generation of satellite payloads based on ACM/DVB-S2. For the complete design of the satellite architecture, three different service scenarios with threes kinds of users have been identified. These services scenarios are: Residential, Collective and Corporate. Each scenario has several service profiles associated, including e-learning, telemedicine, e-payment, games, VoIP, VoD, interactive TV, e-mail, Web browsing or file sharing among others.

Fig. 2 Transparent platform equipment 38 E. Callejo et al. The Hub or Gateway is mainly composed of the following subsystems: Network Management System (NMS): Interfaces between ISP/operator and Hub. It manages the users’ traffic and services provision. NMS also performs the control and supervision of HUB equipment, network and terminals. Forward Link Subsystem (FLS): Encapsulates IP packets in MPEG-2 frames and transmits these frames on a TDM carrier, base-band modulated. In the RF equipment, the modulated bitstream is upconverted and sent to the antenna, which transmits it up to the satellite at frequencies in the Ku band.

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