ND1030 Ethernet ALA Service definition - NICC

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8 NICC ND 1030 V1.1.1 (2010-12) [i.9] [i.10] IEEE Std 802.1ag-2007: “IEEE Standard for Local and Metropolitan Area Networks Virtual Bridged Local Area Networks Amendment 5: Connectivity Fault Management”. http://standards.ieee.org/getieee802/download/802.1ag- 2007.pdf ITU-T Rec. Y.1731: “OAM functions and mechanisms for Ethernet based networks”. http://www.itu.int/rec/T-REC-Y.1731 [i.11] IETF RFC 3376: “Internet Group Management Protocol, Version 3”. http://www.ietf.org/rfc/rfc3376.txt [i.12] IETF RFC 3569: “An Overview of Source-Specific Multicast (SSM)”, section 7. http://www.ietf.org/rfc/rfc3569.txt [i.13] IETF RFC 4541: “Considerations for Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Snooping Switches”. http://www.ietf.org/rfc/rfc4541.txt [i.14] IETF RFC 4604: “Using Internet Group Management Protocol Version 3 (IGMPv3) and Multicast Listener Discovery Protocol Version 2 (MLDv2) for Source-Specific Multicast. http://www.ietf.org/rfc/rfc4604.txt NICC Standards Limited
9 NICC ND 1030 V1.1.1 (2010-12) 3 Key Words, Definitions and Abbreviations 3.1 Key Words The key words “shall”, “shall not”, “must”, “must not”, “should”, “should not”, “may”, “need not”, “can” and “cannot” in this document are to be interpreted as defined in the ETSI Drafting Rules [i.1]. 3.2 Definitions For the purposes of the present document, the following terms and definitions apply: ALA domain: span of control of the ALA-provider ALA-provider: Operator of the access network segment supporting Ethernet ALA ALA-user: Direct user of Ethernet ALA ALA-user connection: connection between the UNI and NNI supported by Ethernet ALA for each ALA-user Customer Premises Equipment: equipment provided and operated by the ALA-user or end-user at the end-user’s premises. NOTE: The terms ‘ALA-user CPE’ and ‘end-user CPE’ are used within the text where it is necessary to distinguish between the two. Egress: the direction from the ALA Provider to the ALA User at an interface End-user: Ultimate recipient of services provided over ALA NOTE: End-users can include both residential consumers and business users. Ethernet ALA: Ethernet service between the Point of Interconnect at the NNI and the customer premises provided by the ALA-provider to the ALA-user NOTE: The term Ethernet ALA is overloaded since it is used both in the Ofcom Technical Requirements and by this document. Within this document, the term Ethernet ALA (or just ALA) is used to describe the service defined by NICC. Ingress: the direction from the ALA User to the ALA Provider at an interface NOTE: a frame travelling upstream will be an ingress frame at the UNI and an egress frame at the NNI. Multicast Channel: IP Multicast flow that is forwarded by the ALA provider network identified by either IP multicast group address in ASM operation or IP source address and IP multicast group address in SSM operation. NNI Frame: Ethernet frame transmitted across the NNI Service Frame: Ethernet frame carried by the ALA User Connection NICC Standards Limited
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