【資料名稱】：IP Functionality in M-MGw.pdf

【資料作者】：Ericsson

【資料日期】：2005-08-29

【資料語言】：英文

【資料格式】：PDF

【資料目錄和簡介】：

Contents
1 Introduction ............................................................................................4
1.1 Scope.......................................................................................................4
1.2 Target Groups..........................................................................................4
1.3 Revision History .......................................................................................4
2 Overview of IP in M-MGw ......................................................................5
2.1 Main Principles.........................................................................................5
2.2 IP Payload................................................................................................5
2.3 IP Signaling..............................................................................................5
2.4 Site IP Infrastructure ................................................................................6
3 IP Payload...............................................................................................7
3.1 IPBCP ......................................................................................................7
3.2 Protocol Stack on Nb ...............................................................................8
3.3 RTP..........................................................................................................9
3.4 UDP .........................................................................................................9
3.5 IP Host for Payload ................................................................................10
3.5.1 General ..................................................................................................10
3.5.2 Next Hop Routing...................................................................................10
3.6 Bandwidth Demand................................................................................10
4 IP Signaling ..........................................................................................12
4.1 M3UA.....................................................................................................12
4.2 SCTP .....................................................................................................13
4.3 IP Host for Signaling ..............................................................................13
4.3.1 General ..................................................................................................13
4.3.2 Next Hop Routing...................................................................................13
5 Gigabit Ethernet ...................................................................................14
5.1 Physical Layer........................................................................................14
5.2 Frame Format ........................................................................................14
5.3 VLAN......................................................................................................15
5.4 ARP........................................................................................................15
6 Fast Ethernet ........................................................................................16
6.1 Physical Layer........................................................................................16
6.2 Frame Format ........................................................................................16
6.3 ARP........................................................................................................16
7 Redundancy and Failure Recovery ....................................................17
7.1 Link Redundancy (ET-MFG) ..................................................................17
7.2 Router Path Supervision (ET-MFG).......................................................18
7.3 IP Signaling Redundancy.......................................................................19
8 Quality of Service.................................................................................19
8.1 DiffServ ..................................................................................................19
8.2 IP Admission Control .............................................................................20
8.2.1 The Purpose of Admission Control ........................................................20
8.2.2 Measurement Based Admission Control (MBAC)..................................20
8.2.3 Static Admission Control........................................................................23
8.2.4 MBAC and Static Admission Control .....................................................23
8.3 Performance Monitoring.........................................................................24
8.4 Jitter Compensation ...............................................................................24
9 IP Security ............................................................................................24
10 O&M IP Network ...................................................................................25
10.1 General ..................................................................................................25
10.2 Split Ethernet .........................................................................................25
11 Glossary................................................................................................27
12 References............................................................................................27