1、 TECHNICAL REPORT ATIS-0100015 CATEGORIZATION OF EQUIPMENT DEPLOYED WITHIN COMMUNICATIONS NETWORKS FOR USE IN OUTAGE CLASSIFICATION AND ANALYSIS ATIS is the leading technical planning and standards development organization committed to the rapid development of global, market-driven standards for the
2、 information, entertainment and communications industry. More than 300 companies actively formulate standards in ATIS 20 Committees, covering issues including: IPTV, Service Oriented Networks, Home Networking, Energy Efficiency, IP-Based and Wireless Technologies, Quality of Service, Billing and Ope
3、rational Support. In addition, numerous Incubators, Focus and Exploratory Groups address emerging industry priorities including “Green”, IP Downloadable Security, Next Generation Carrier Interconnect, IPv6 and Convergence. ATIS is the North American Organizational Partner for the 3rd Generation Part
4、nership Project (3GPP), a member and major U.S. contributor to the International Telecommunication Union (ITU) Radio and Telecommunications Sectors, and a member of the Inter-American Telecommunication Commission (CITEL). Notice of Disclaimer 2) and web friendly (i.e., flat structure). The process t
5、o accomplish these goals included the following steps: 1. Establish a NRSC Equipment Task Force: This subteam consisted of team members from various Service Provider segments (e.g., wireline, wireless, cable) and Equipment Suppliers. The goal was to document the types of equipment deployed in the co
6、mmunications industry, or that is being developed for the converged and next generation network. A previously generated NRSC list of equipment categories was used initially and subsequently augmented as needed. The result was more than 150 examples of equipment were identified for various technologi
7、es and market segments. 2. Resolution with other industry classification systems (TL 9000): Several meetings were held with TL 9000 representatives to discuss differences between the NRSC and the TL 9000 categorization system. This activity primarily consisted of reviewing the categories for equipme
8、nt that are already deployed in the communications network. The result of this study was the recommendation for two new TL 9000 categories for next generation networks, and the modification of several names for both NRSC and TL 9000 categories to ensure consistency. 3. Making modification to the equ
9、ipment categorization list to accommodate human user-interface goals requested by NRSC. 4. Obtaining the agreement of the NRSC Categorization Team. The finalized NRSC Equipment Categorization list is: Circuit Switch Packet Switch Network Signaling Elements Network Service Elements Network Security E
10、lements ATIS-0100015 4 Transport Equipment Transmission Systems & Media Wireless Transmission System Supporting Common Systems Enterprise/Customer Premise Most of these equipment category names are similar or identical to TL 9000 categories. In all cases, there is a direct mapping of the equipment t
11、ypes between the NRSC and TL 9000 categories. However, the structure of the NRSC equipment categories is flat in that there are no sub-categories. This flat NRSC structure is quite different from the TL 9000 approach where each equipment category consists of many layers of sub-categories. The equipm
12、ent for the converged and next generation networks is, for the most part included in many of the same categories as the traditional network. However, two new categories were identified for these networks. The new categories are: Network Service Elements Network Security Elements In addition, the “Sy
13、stem Supporting” category is introduced for consistency with the Impact Hierarchy. The NRSC felt that the term “System Supporting” was more descriptive than the TL 9000 “Operations and Maintenance” category. In summary, the mapping between the NRSC categories and the TL 9000 categories is shown in F
14、igure 2: ATIS-0100015 Figure 2: NRSC and TL 9000 Equipment Categories Mapping The NRSC team has suggested that the TL 9000 team consider adopting the following naming modifications: 1. Changing ”Signaling” to “Signaling & Network Control”. 2. Add the following new “Signaling & Network Control” sub-c
15、ategories for converged and next generation networks: a. Network Service & Control. b. Network Security. For each of the NRSC Equipment Categories, examples are provided below: Circuit Switch: End-office (local) switch, Tandem Switch, Toll Switch (class 4), Tandem access, Remote, Service Switching P
16、oint (SSP), Mobile Switching Center (MSC), and MSC integrated Node. Packet Switch: PPSN (Public Packet Switched Network), ATM Switch, MPLS/ATM Switch, Frame Relay, FRAD (frame relay PAD), Ethernet Switch, Metro Ethernet Switch, IP Core Router, MultiServeEdge MPLS/IP Router, BRAS Edge Router, SGSN, G
17、GSN, and Cable ModemTermination System (CMTS). Network Signaling Elements: Service Control Point (SCP), Service Nodes, Service Resource Facilities. Signaling Transfer Point (STP), Service Logic (SL), Session Border Controller (SBC), SIP controller/server, SS7-SIP Gateway, Media Gateway, Media Gatewa
18、y Controller (softswitch), and Home Location Registers (e.g., HLR/VLR/HSS). 5 ATIS-0100015 6 Network Service Elements: Network elements that are necessary in providing the network services - AAA (subscriber manager), Radius/Diameter Servers, and Policy Services. Network Security Elements: Network se
19、rvice based security devices that are part of the network infrastructure - Firewalls, IPsec control, Tunnel control (GRE, L2TP), SSL server, and Intrusion protection/detection equipment. Transport Equipment: Cross-connect systems (Manual, Electronic, Integrated functions in DCS, etc.), SONET ADM, SO
20、NET ADM, DSL DSLAM, SLIC (Subscriber Line Interface Concentrator, Optical Passive Wavelength Division Multiplexer (PWDM), Optical Add drop multiplexers, ROADM (Reconfigurable optical Add/Drop Multiplexer), WSS (Wavelength selectable switch), Active DWDM WAN systems, CWDM, and Host Digital Terminal.
21、Transmission Systems & Media: Fiber Optic Cable, Metallic Cable, Combined optical Couplers/splitters/filters, Fixed Antenna sub-systems, Outside plant FOA (Fiber Optical Amplifier), Outside plant 3R repeaters, Outside plant amp/dcp, Electrical repeater, Electrical SMARTJACK, Optical Ethernet SMARTJA
22、CK, Optical Ethernet repeater, Microwave, Satellite, Free Space Optics, WiMAX, WiFI, and Hybrid Fiber Coax (HFC) Network. Wireless Transmission: Base Transceiver System (BTS), Base Station Controller (BSC), Pilot Beacon Unit (PBU), and Radio Network Controller (RNC). System Supporting: Operation, administration, and maintenance systems, including test systems and operations support systems. Common Systems: Synchronization systems and power systems. Enterprise/Customer Premise: Equipment located at the customer premise that is owned by the customer, or operated on behalf of the operator.
