1、 IEEE Standard for a Convergent Digital Home Network for Heterogeneous Technologies Amendment 1: Support of New MAC/PHYs and Enhancements Sponsored by the Power Line Communications Committee IEEE 3 Park Avenue New York, NY 10016-5997 USA IEEE Communications Society IEEE Std 1905.1a-2014 (Amendment t
2、o IEEE Std 1905.1-2013) IEEE Std 1905.1a-2014 (Amendment to IEEE Std 1905.1-2013) IEEE Standard for a Convergent Digital Home Network for Heterogeneous Technologies Amendment 1: Support of New MAC/PHYs and Enhancements Sponsor Power Line Communications Committee of the IEEE Communications Society Ap
3、proved 23 December 2014 IEEE-SA Standards Board Abstract: An abstraction layer for multiple home networking technologies that provides a common interface to widely deployed home networking technologies is defined in this standard: IEEE 1901 over power lines, IEEE 802.11 for wireless, Ethernet over t
4、wisted pair cable, and MoCA 1.1 over coax. Additional network technologies are supported by an extensible mechanism using an IEEE OUI and an XML-formatted document. Connectivity selection for transmission of packets arriving from any interface or application is supported by the 1905 abstraction laye
5、r. Modification to the underlying home networking technologies is not required by the 1905 abstraction layer, and hence it does not change the behavior or implementation of existing home networking technologies. The 1905 abstraction layer is between layers 2 and 3 and abstracts the individual detail
6、s of each interface, aggregates available bandwidth, and facilitates seamless integration. The 1905 abstraction layer also facilitates end-to-end quality of service (QoS) while simplifying the introduction of new devices to the network, establishing secure connections, extending network coverage, an
7、d facilitating advanced network management features including discovery, path selection, autoconfiguration, and QoS negotiation. Keywords: abstraction layer, access point (AP) autoconfiguration, data models, extensibility, fragmentation and reassembly, Generic Phy, IEEE 802.1 bridge discovery, IEEE
8、Std 802.11, IEEE Std 1901, IEEE Std 1905.1, L2, MoCA, pairwise master key, power management, push button, registration, security, topology discovery protocol, Wi-Fi, XML The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyright 2015 by The Inst
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38、eserved. Participants At the time this amendment was submitted to the IEEE-SA Standards Board for approval, the Convergent Digital Home Network Working Group had the following membership: Purva Rajkotia, Chair C. Scott Willy, Vice Chair Stephen Palm, Editor The following entities submitted technical
39、 contributions or commented on this amendment at various stages of project development. AT if the value is 1, then the EUI-48 field shall be present. 6 octets any EUI-48 value 1905.1 AL MAC address of a neighbor of the receiving device. 1 octet 0x00 : Tx link metrics only 0x01 : Rx link metrics only
40、 0x02 : Both Tx and Rx link metrics 0x030xFF: Reserved values. If any reserved value is received, ignore this TLV. The link metrics requested. IEEE Std 1905.1a-2014 IEEE Standard for a Convergent Digital Home Network for Heterogeneous Technologies Amendment 1: Support of New MAC/PHYs and Enhancement
41、s 11 Copyright 2015 IEEE. All rights reserved. 6.4.11 1905.1 transmitter link metric TLV Change the title and following rows in Table 6-18 in 6.4.11: Table 6-181905.1 transmitter link metrics Name Type Length Value range Description IEEE802.1BridgeFlag Boolean 1 octet 0x00: Indicates that the 1905.1
42、 link does not include an IEEE 802.1 bridge. 0x01: Indicates that the 1905.1 link includes one or more IEEE 802.1 bridges. 0x020xFF Reserved values. If any reserved value is received, ignore this TLV. Indicates whether or not the 1905.1 link includes one or more IEEE 802.1 bridges. phyRate Integer 1
43、6 2 octets Any integer value If the Media type of the link is IEEE 802.3, then IEEE 1901, MoCA 1.1, or Generic Phy (8 MSB bits value of Media type as defined in Table 6-12 is 0, 2, or 3, or 0xFF), then tThis value is the PHY rate estimated at the transmitter of the link expressed in Mb/s; otherwise,
44、 it is set to 0xFFFF. If any networking technology does not want to supply the PHY rate, it should set to 0xFFFF. 6.4.12 1905.1 receiver link metric TLV Change the title and following rows in Table 6-20 in 6.4.12: Table 6-201905.1 receiver link metrics Name Type Length Value range Description packet
45、ErrorsReceived Integer32 4 octets Any integer value Estimated number of lost packets during the measurement period. rssiRSSI Integer 8 1 octet Any integer value If the Media type of the link is IEEE 802.11 or Generic Phy (8 MSB value of Media type as defined in Table 6-12 is 1 or 0xFF), then this va
46、lue is the estimated RSSI in dB at the receive side of the Link expressed in dB; otherwise, it is set to 0xFF. If any networking technology does not want to supply RSSI, it should set to 0xFF. IEEE Std 1905.1a-2014 IEEE Standard for a Convergent Digital Home Network for Heterogeneous Technologies Am
47、endment 1: Support of New MAC/PHYs and Enhancements 12 Copyright 2015 IEEE. All rights reserved. 6.4.13 1905.1 link metric result code TLV Change the title and following row in Table 6-21 in 6.4.13: Table 6-211905.1 link metric result code TLV Field Length Value range Description tlvValue 1 octet 0x
48、00: Invalid neighbor 0x010xFF: Reserved values. If any reserved value is received, ignore this TLV. Result code for the link metric query message 6.4.14 SearchedRole TLV Change the following row in Table 6-22 in 6.4.14: Table 6-22SearchedRole TLV Field Length Value range Description tlvValue 1 octet
49、 0x00: Registrar 0x010xFF: Reserved values. If any reserved value is received, ignore this TLV. Type of role of the unconfigured interface requesting an autoconfiguration 6.4.15 AutoconfigFreqBand TLV Change the following row in Table 6-23 in 6.4.15: Table 6-23AutoconfigFreqBand TLV Field Length Value range Description tlvValue 1 octet 0x00: 802.11 2.4 GHz 0x01: 802.11 5 GHz 0x02: 802.11 60 GHz 0x030xFF: Reserved values. If any reserved value is received, ignore this TLV. Frequency band of the unconfigured interface requesting an autoconfiguration 6.4.16 Sup
