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(Continuation of Question 22/13 studied during 1997-2000)
Background and Justification
The explosive growth of data traffic has been driving changes in satellite
communications. Satellite systems have been and are being planned, designed, and
developed to offer services such as integrated broadband voice/data/video
communications, mobile communications, and high speed internet access. Satellite
systems also play an indispensable role in the convergence of telecommunication
and broadcasting businesses. One major challenge facing the satellite industry
today is to ensure interoperability of satellite and terrestrial
telecommunications networks.
This question will focus on issues that affect interoperability of satellite
and terrestrial packet-based networks.
Items for Study
1. Develop architecture and reference models that integrate satellite systems
with terrestrial telecommunications networks.
2. Develop new Recommendations in the areas of interconnecting packet-based
networks (e.g. IP, B-ISDN, ISDN, and Frame Relay, etc.) using satellite.
3. Assess the operation of protocols (e.g. TCP/IP) when satellite is used as
the transmission medium, and provide inputs to relevant Questions and Study
Groups.
4. Study issues related to the use of satellite medium in an integrated
telecommunications and broadcasting environment.
5. Identify existing ITU Recommendations that require improvement and
revision in order to better interoperate with satellite systems. This effort
will focus on ensuring established performance objectives do not preclude
satellite systems.
Specific Tasks and Deadlines
- Revision of Recommendation I.572
- Revision of Recommendation I.571
- Specify network capabilities for interworking IP networks using satellites
- Specify network capabilities and functional arrangements of heterogeneous
networks for Tele-Broadcasting environments
Relationships
- ITU-T Study Groups on general service aspects
- ITU-T Study Groups on TMN
- ITU-T Study Groups on data communications
- ITU-T Study Groups on signalling aspects
- ITU-T Study Groups on transmission performance
- ITU-T Study Groups on multimedia services
- ITU-R Study Groups on satellite aspects
- IETF and ATM Forum on satellite issues
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