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  ITU-T A.5 justification information for referenced document MEF 10.2 in draft Y.1564
1. Clear description of the referenced document:
Name: MEF 10.2
Title: MEF Ethernet Service Attributes Phase2, October 2009 The attributes of Ethernet Services observable at a User Network Interface (UNI) and from User Network Interface to User Network Interface (UNI to UNI) are defined. In addition, a framework for defining specific instances of Ethernet Services is described.
2. Status of approval:
Approved in 2006. Updated in 2009.
3. Justification for the specific reference:
Provides key Ethernet Service and Performance Attribute definitions.
4. Current information, if any, about IPR issues:
No known issues.
5. Other useful information describing the "Quality" of the document:
Commonly referenced all over the world for metro Ethernet services.
6. The degree of stability or maturity of the document:
Commonly referenced all over the world for metro Ethernet services.
7. Relationship with other existing or emerging documents:
8. Any explicit references within that referenced document should also be listed:
[1] Bradner, S., Key words for use in RFCs to Indicate Requirement Levels, RFC 2119, March 1997. (Normative)/
[2] IEEE Std 802.3 - 2005, Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 3: Carrier sense multiple access with collision detection (CSMA/CD) access method and physical layer specifications, 9 December 2005. (Normative)/
[3] IEEE Std 802.3ae - 2002, IEEE Standard for Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 3: Carrier Sense Multiple Access with Collision Detection (CSMA/CD) Access Method and Physical Layer Specifications Amendment: Media Access Control (MAC) Parameters, Physical Layers, and Management Parameters for 10 Gb/s Operation, 13 June 2002. (Normative)/
[4] International Telecommunication Union, Recommendation I.370, Integrated Services Digital Network (ISDN), Overall Network Aspects And Functions, ISDN User-Network Interfaces, Congestion Management For The ISDN Frame Relaying Bearer Service, 1991./
[5] Metro Ethernet Forum, MEF 6, Ethernet Services Definitions - Phase 1, June 2004./
[6] C. Demichelis and P. Chimento, IP Packet Delay Variation Metric for IP Performance Metric (IPPM), RFC 3393, November 2002./
[7] Metro Ethernet Forum MEF 10, Ethernet Services Attributes Phase 1, November 2004./
[8] IEEE Std 802.1D - 2004, IEEE Standard for Local and Metropolitan Area Networks: Media Access Control (MAC) Bridges, June 2004./
[9] IEEE Std 802.1Q - 2003, IEEE Standards for Local and metropolitan area networks-Virtual Bridged Local Area Networks, 7 May 2003./
[10] IEEE Std 802.1ad - 2005, IEEE Standard for Local and Metropolitan Area Networks- Virtual Bridged Local Area Networks - Amendment 4: Provider Bridges, May 2006./
[11] Metro Ethernet Forum MEF 16, Ethernet Local Management Interface (E-LMI), January 2006./
[12] Metro Ethernet Forum MEF 7, EMS-NMS Information Model, October 2004./
[13] Metro Ethernet Forum MEF 10.1, Ethernet Services Attributes Phase 2, November 2006.
9. Qualification of MEF:
The MEF was recognized under the provisions of ITU-T Recommendation A.5 on 24 September 2002. Qualifying information is on file with TSB.
9.5     The IPR policy of the MEF may be found in Article 10 of the MEF Bylaws which are available on the MEF public WEB site metroethernetforum.org.
9.6     All MEF Technical Specifications, Implementation Agreements, and Test Specifications are approved by an electronic letter ballot of all MEF members. For a MEF document to pass an electronic letter ballot at least a quorum of members (defined by the MEF bylaws as 1/3 of the MEF membership) must vote Yes or No. In addition, of the Yes plus No votes at least 75% of the votes must be Yes.
9.7     All published MEF documents are available for download free of charge in PDF or WORD format from the MEF public WEB site www.metroethernetforum.org .
9.8     Each revision of a given MEF document has a different MEF number.
10. Other (for any supplementary information):
None
Note: This form is based on Recommendation ITU-T A.5