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  ITU-T A.5 justification information for referenced document ETSI TR 101 578 V1.3.1 (2018-10) in draft J.1630
1. Clear description of the referenced document:
Name: ETSI TR 101 578 V1.3.1 (2018-10)
Title: Speech and multimedia Transmission Quality (STQ); QoS aspects of TCP-based video services like YouTube™
2. Status of approval:
Approved
3. Justification for the specific reference:
Key Quality Indicators for User-related KQI and Transmission-related KQI categories are defined thus providing stable interpretation of definition in this Recommendation.
4. Current information, if any, about IPR issues:
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (https://ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document
5. Other useful information describing the "Quality" of the document:
Approved document
6. The degree of stability or maturity of the document:
Approved and stable; replacement for version ETSI TR 101 578 V1.2.1 (2015-07) and ETSI TR 101 578 V1.1.1 (2013-12)
7. Relationship with other existing or emerging documents:
N/A
8. Any explicit references within that referenced document should also be listed:
Normative references are not applicable in the present document
9. Qualification of ETSI:
ETSI is recognized under the provisions of ITU-T Recommendations A.5 and A.6. Qualifying information is on file at TSB.
10. Other (for any supplementary information):
None
Note: This form is based on Recommendation ITU-T A.5