1、 TIA STANDARD Satellite Network Modem System (SNMS) Network Layer Standard TIA-1073-001 June 2006 TELECOMMUNICATIONS INDUSTRY ASSOCIATION Representing the telecommunications industry in association with the Electronic Industries Alliance NOTICE TIA Engineering Standards and Publications are designed
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22、 A FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. 1 CONTENTS 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 Revision History. iii 1 Overview . 1 1.1
23、Objectives 1 1.2 Scope . 1 1.3 Document Organization. 2 1.4 References . 2 1.5 Abbreviations, Definitions and Symbols. 5 1.5.1 Abbreviations and Acronyms 5 1.5.2 Definitions . 6 2 System Description 8 2.1 System Overview. 8 2.2 Department of Defense (DoD) Deployment Scenario. 8 2.3 Network Reference
24、 Model 9 3 Cross Layer Communications . 11 4 IP Datagram Forwarding . 12 4.1 IP Datagram Processing 12 4.2 IP Datagram Encapsulation . 12 4.2.1 Broadcast Channel. 12 4.2.2 Interactive Channel 12 5 Addressing. 13 5.1 IP Address Definitions 13 5.1.1 IPv4 Addressing 13 5.1.2 IPv6 Addressing 14 5.2 Data
25、 Link Layer Address Definitions 15 5.3 Terrestrial Interface Address Management . 15 5.3.1 Address Resolution 15 6 QoS 19 6.1 Architecture . 19 6.2 Functional Requirements. 20 6.2.1 Traffic Classification . 20 6.2.2 Traffic Conditioning 20 6.2.3 Packet Segmentation and Reassembly (PSAR). 20 6.2.4 Se
26、rvice Classes and Per Hop Behaviours (PHB). 21 6.3 Interaction with Satellite Resource Management Functions . 22 6.3.1 Hub-Spoke Configuration . 22 6.3.2 Mesh Configuration. 22 7 Multicast24 7.1 Architecture . 24 7.2 Protocol Support 24 7.2.1 Remote Terminal Multicast Support . 24 i 7.2.2 HUB Multic
27、ast Support. 24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 7.3 Considerations in Multi-beam Operations. 24 8 Performance Enhancement Functions . 25 8.1 TCP Performance Enhancement Proxy . 25 8.1.1 Requirements. 26 8.2 IP Header Compressions . 28 9 Network Management . 29 9.1 Reference Model . 29 9.2 Net
28、work Management Functions 30 9.3 Network Management Protocols and Interfaces 31 9.3.1 SNMP 31 9.3.2 MIBs 31 9.3.3 EMS Interface to NMS 32 FIGURES 17 18 19 20 21 22 23 24 25 26 27 Figure 1: SNMS Standard Document Tree 2 Figure 2: SNMS Deployment in DoD Networks8 Figure 3: SNMS Network Reference Model
29、 10 Figure 4: SNMS Address Resolution Signaling Flow17 Figure 5: SNMS QoS Functional Architecture.19 Figure 6: SNMS Configurations for TCP PEP.26 Figure 7 SNMS Network Management Reference Model .29 Figure 8 SNMP Reference Architecture.31 TABLES 28 29 30 31 32 33 34 35 36 Table 1: Network Layer Info
30、 Descriptor for IPv4 Address Assignment13 Table 2: Network Layer Info Descriptor for IPv6 Address Assignment14 Table 3: Example of a CART.16 Table 4: Major Capabilities27 Table 5: Forwarding Functionality.27 Table 6: Congestion Control Related Capabilities .28 Table 7: Minor Capabilities28 37 ii REV
31、ISION HISTORY 1 Date Revision Number Comments May 10, 2005 Version 0.1 Initial Draft July 11, 2005 Version 0.2 Updated section 5, incorporated comments August 1, 2005 Version 0.3 Updated section 10 August 12, 2005 Version 0.4 Updated section 5 on SMCP address resolution September 20, 2005 Version 0.
32、5 Updates based on the Aug. Sub-WG meeting October 5, 2005 Version 0.6 Updates based on the Sept. Sub-WG meeting December 30, 2005 Version 1.0 Resolved ballot comments, approved for publication iii 1 OVERVIEW 1 1.1 Objectives 2 3 4 5 6 The present document specifies the network and upper layer funct
33、ions of the Satellite Network Modem System (SNMS). These functions facilitate interoperability of IP services across SNMS networks, and support specific capabilities described in 1. 1.2 Scope 7 8 9 10 11 12 13 14 15 16 17 18 19 The purpose of this document is to ensure interoperability of IP service
34、s among SNMS terminals and hubs in a SNMS network that provides hub-spoke and mesh connectivity. SNMS employs standards based satellite physical and data link layer technologies 2. The present document tries to minimize dependency between network/upper layer and lower layer functions. This document
35、presents SNMS network and functional architecture, and applies existing standards to meet the interoperability requirements. In areas that lack existing standards, the present document specifies the minimum requirements for interoperability. This document is part of the TIA/EIA SNMS standard suite (
36、Figure 1) that defines the SNMS functional capabilities, network and system architectures, interoperability requirements, and protocols. SNMS Network Layer Protocols(TIA/EIA-1073-001)DVB-RCS GuidelinesETSI TR 101 790 Satellite Network Modem System (SNMS) General Requirements(TIA/EIA-1073-000)DVB-RCS
37、ETSI EN 301 790 DVB-S2ETSI EN 302 307 SNMS Encryption Requirements(TIA/EIA-1073-002)IP Modem FCD(TIA/EIA-157)C2P Annex JUnder development in TIA 34.1.7SNMS Mesh Control Protocol SMCP20 1 Figure 1: SNMS Standard Document Tree 1 1.3 Document Organization 2 3 This document is organized into 9 sections.
38、 1.4 References 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 TIA-157: IP Modem Functional Capabilities Description, January 2005. 2 TIA-1073-000: Satellite Network Modem System (SNMS) General Requirements, July 2005. 3 ETSI EN 302 307, v1.1.1 (2004-06), DVB: Second
39、 generation framing structure, channel coding and modulation systems for Broadcasting, Interactive Services, News Gathering and other broadband satellite applications. 4 ETSI EN 301 790 V1.4.1 (2005-09), DVB: Interaction channel for satellite distribution systems. 5 ETSI EN 300 421: DVB: Framing Str
40、ucture, Channel Coding, and Modulation for 11/12 GHz Satellite Services. 6 ETSI EN 301 192: Digital Video Broadcasting: DVB Specification for data broadcasting. 7 TIA-1008: IP over Satellite (IPoS), October 2003. 8 American National Standards Institute, “Telecommunications - Integrated Services Digi
41、tal Network (ISDN) - Multi-Level Precedence and Preemption (MLPP) Service Capability“, ANSI T1.619-1992 (R1999), 1992. 9 International Telecommunications Union, “Multilevel Precedence and Preemption Service (MLPP)“, ITU-T Recommendation I.255.3, 1990. 10 MIL-STD-188-165A: Interoperability and Perfor
42、mance Standards for SHF Satellite Communications PSK Modems (FDMA Operation), August 2001. 11 ITU-T G.7041/Y.1303: Generic framing procedure (GFP), Dec. 2003. 12 MSRC-5000SCA: Software Communications Architecture Specification, Ver. 2.2, Nov. 2001. 13 MSRC-5000API: Application Program Interface Supp
43、lement to the SCA Specification, Ver. 1.1, Nov. 2001. 14 MSRC-5000SEC: Security Supplement to the SCA Specification, Ver. 1.1, Nov. 2001. 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 15 Space Communications Protocol Standards (SCPS): Transport
44、Protocol, MIL-STD-2045-44000, CCSDS 714.0-B ISO 15893. 16 RFC 3246 - An Expedited Forwarding PHB (Per-Hop Behavior), B. Davie, et. al., Internet Engineering Task Force (IETF), March 2002. 17 RFC 2597 Assured Forwarding PHB Group, J. Heinanen, et. al., Internet Engineering Task Force (IETF), June 199
45、9. 18 ETSI TS 102 357 V0.2.7 (Feb., 2005): Satellite Earth Stations and Systems (SES); Broadband Satellite Multimedia (BSM) Common Air Interface Specification Satellite Independent Service Access Point (SI-SAP) 19 Interchangeable PEP (I-PEP) Transport Extensions And Session Framework For Satellite C
46、ommunications: Air Interface Specification, ESA/ESTEC, 20 April 2005. 20 Space Communications Protocol Specification Transport Protocol (SCPS-TP), Consultative Committee for Space Data Systems, CCSDS 714.0-B-1, Blue Book, May 1999. 21 Space Communications Protocol Specification (SCPS) Rationale, Req
47、uirements and Application Notes, Issue 1, CCSDS, Washington, D.C., May 1999. 22 TIA-1073-002: SNMS Encryption Requirements. 23 TIA-1088: SNMS Mesh Control Protocol (SMCP). 24 ITU-T M.3400 TMN Management Functions, February 2000. 25 ETSI TR 101 790 V1.2.1, Digital Video Broadcasting (DVB): Interactio
48、n Channel for Satellite Distribution Systems ; Guidelines for the use of EN 301 790, March 2005. 26 RFC 791 Internet Protocol, Internet Engineering Task Force (IETF), September 1981. 27 RFC 2460 Internet Protocol, Version 6 (IPv6) Specification, Internet Engineering Task Force (IETF), December 1998.
49、 28 RFC 3513 Internet Protocol Version 6 (IPv6) Addressing Architecture, Internet Engineering Task Force (IETF), April 2003. 29 RFC 3879 Deprecating Site Local Addresses, Internet Engineering Task Force (IETF), September 2004. 30 RFC 1918 Address Allocation for Private Internets, Internet Engineering Task Force (IETF), February 1996. 31 RFC 826 Ethernet Address Resolution Protocol (ARP), Internet Engineering Task Force (IETF), November 1982. 3 1 2 3 4 5 6 7 8 9 32 RFC 2461 Neighbor
