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1.
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Clear description of the referenced document:
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2.
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Status of approval:
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Approved (Stable)
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3.
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Justification for the specific reference:
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This specification has been developed by Broadband Forum and is referenced by the ITU-T without change. G.xgs-pon includes requirements to provide the priority based class of services over PON defined in TR-156. Detailed architecture aspects of TR-156 address higher layer issues go beyond the scope of G.xgs-pon but are mandatory to perform any implementation test and interoperability assessments.
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4.
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Current information, if any, about IPR issues:
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For a list of declarations made by Broadband Forum member companies, see www.broadband-forum.org.
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5.
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Other useful information describing the "Quality" of the document:
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The service model defined in this document has become a baseline reference for most telecoms operators worldwide.
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6.
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The degree of stability or maturity of the document:
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This document was approved in 2012.
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7.
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Relationship with other existing or emerging documents:
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Based on BBF TR-101, which defines migration of the access network from ATM to Ethernet, and is also widely accepted worldwide as the basis for access network services.
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8.
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Any explicit references within that referenced document should also be listed:
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[1] IETF RFC 2119, Key words for use in RFCs to Indicate Requirement Levels (1997)/
[2] BBF TR-101 Issue 2, Migration to Ethernet-Based Broadband Aggregation (2011)/
[3] BBF TR-124 Issue 3, Functional Requirements for Broadband Residential Gateway Devices (2012)/
[4] BBF TR-167, GPON-fed TR-101 Ethernet Access Node (2010)/
[5] BBF TR-177, IPv6 in the context of TR-101 (2010)/
[6] ITU-T G.984, Gigabit-capable Passive Optical Networks (2008)/
[7] ITU-T G.987, 10 Gigabit-capable Passive Optical Networks, (2010)/
[8] ITU-T G.988, ONU management and control interface specification (OMCI), (2012)/
[9] IETF RFC 4541, Considerations for Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Snooping Switches, (2006)/
[10] IETF RFC 4861, Neighbor Discovery for IPv6 (2007)/
[11] IETF RFC 4862, IPv6 Stateless Address Autoconfiguration, (2007)/
[12] IETF RFC 3315, Dynamic Host Configuration Protocol for IPv6 (DHCPv6), (2003)/
[13] IETF RFC 3633, IPv6 Prefix Options for DHCPv6, (2003)
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9.
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Qualification of
Broadband Forum:
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The Broadband Forum was qualified in accordance with ITU-T A.4 and ITU-T A.5 on 27 January 2010.
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10.
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Other (for any supplementary information):
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None
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