ETSI - European Telecommunications Standards Institute
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TS 102 463-2015
Scope
The present document defines an open specification for enabling QoS for IP-based multimedia satellite systems@ based on the IntServ model@ including the use of RSVP for resource allocation and control IETF RFC 2210 [4]. The focus is on the mapping of IP-layer QoS functions@ primarily the Guaranteed (GS IETF RFC 2212 [6]) and Controlled Load (CL IETF RFC 2211 [5]) services@ to BSM-specific QoS functions across the SI-SAP. This results in specifications for the SI-SAP including its interactions with higher and lower layers. The present document is based on the findings of the Technical Report on Performance@ Availability and Quality of Service ETSI TR 102 157 [i.2] and the Technical Specification on QoS Architecture ETSI TS 102 462 [1]. It is also based on current ETSI BSM architecture document ETSI TS 102 292 [i.3] and is aligned with the relevant IETF standards. The key to providing real-time multimedia services such as those offered by the IntServ model is the interaction of a resource reservation protocol like RSVP with lower layer (i.e. link layer) resource reservation. For IntServ provision in a BSM network the concept of QIDs (Queue Identifiers) at the SI-SAP is the concept used to provide this interaction with alternative link layers@ ETSI TS 102 357 [2]. QIDs represent abstract queues@ each with a defined class of service@ for transfer of IP packets to the SD layers. The satellite dependent lower layers are responsible for assigning satellite capacity and/or particular forwarding behaviour to these abstract queues according to defined properties. The present document deals with the QoS issues arising in the management of these QIDs@ when IntServ is adopted at IP layer. A BSM IntServ functional architecture is described and the functions@ protocols and primitives needed to ensure QoS provision are specified. IntServ for unicast services is the primary focus of the present document@ although the approach described may also be applicable to multicast. The use of other IP resource reservation protocols such as NSIS is at present excluded from the present document. NOTE: RSVP can be used for a number of other functions@ apart from IntServ Resource reservation@ which are not in the scope of the present document: ? DiffServ resource reservation. ?Policy distribution. ? Traffic engineering.
TS 102 463-2015 history
2015TS 102 463-2015 Satellite Earth Stations and Systems (SES); Broadband Satellite Multimedia (BSM); Interworking with IntServ QoS (V1.2.1)
2007TS 102 463-2007 Satellite Earth Stations and Systems (SES); Broadband Satellite Multimedia (BSM); Interworking with IntServ QoS (V1.1.1)