【资料名称】：NGMN_Whitepaper_LTE_Backhauling_Deployment_Scenarios_01.pdf

【资料作者】：NGMN Alliance

【资料日期】：2011年7月

【资料语言】：英文

【资料格式】：PDF

【资料目录和简介】：

Table of Contents
1. Introduction ........................................................................................................................... 4
1.1. NGMN TWG P11 - P-OSB Scope .................................................................................. 4
1.2. What this paper is and why it is in line with P-OBS ....................................................... 4
2. Definitions and abbreviations ................................................................................................ 4
3. Framework and terminology.................................................................................................. 5
3.1. HSPA+/LTE/4G requirements for backhauling .............................................................. 6
3.2. Evolving from current backhauling: main issues ............................................................ 7
3.3. Gluing the organic view and the logical view ................................................................. 9
3.4. Guidelines followed to define a logical scenario .......................................................... 11
4. RAN Configuration .............................................................................................................. 11
4.1. MPLS in the eNB ......................................................................................................... 12
5. LTE-ready backhauling scenarios ....................................................................................... 13
5.1. Technology .................................................................................................................. 13
5.2. Scenario 1 – Carrier Ethernet ...................................................................................... 14
5.2.1. Applicability ........................................................................................................... 14
5.2.2. Considered implementations (protocol stacks) ..................................................... 15
5.3. Scenario 2 – Carrier Ethernet + L2/L3 VPN ................................................................. 17
5.3.1. Applicability ........................................................................................................... 17
5.3.2. Considered implementations (protocol stacks) ..................................................... 18
5.4. Scenario 3 – MPLS access + L2/L3 VPN .................................................................... 19
5.4.1. Applicability ........................................................................................................... 20
5.4.2. Considered implementations (protocol stacks) ..................................................... 20
5.5. Scenario 4 – L2/L3 VPN in access + L2/L3 VPN in aggregation ................................. 22
5.5.1. Applicability ........................................................................................................... 22
5.5.2. Considered implementations (protocol stacks) ..................................................... 23
5.6. Scenario 5 – End-to-end (Multi-segment) Pseudowire ................................................ 26
5.6.1. Applicability ........................................................................................................... 26
5.6.2. Considered implementations (protocol stacks) ..................................................... 27
5.7. Scenario 6 – Full L3 ..................................................................................................... 28
5.7.1. Applicability ........................................................................................................... 28
5.7.2. Considered implementations (protocol stacks) ..................................................... 29
6. How to “pick” the right scenario........................................................................................... 30
7. Open points ......................................................................................................................... 31
7.1. LTE-A ........................................................................................................................... 31
7.2. Security ........................................................................................................................ 31
7.3. Selective IP Offloading (SIPTO) .................................................................................. 32
7.4. Femto-Cells or none-3GPP Access ............................................................................. 32
8. Conclusions and next steps ................................................................................................ 32