code : stm#211 samsung electronics co., ltd. voip service distribution englished01
TRANSCRIPT
Code : STM#211Code : STM#211
Samsung Electronics Co., Ltd.
VoIP ServiceVoIP Service
Distribution
EnglishED01
© Samsung Electronics Co., Ltd. 2
ContentsContents
Delay/LatencyDelay/Latency
JitterJitter
EchoEcho
Packet LossPacket Loss
Voice CompressionVoice Compression
OverviewOverview
© Samsung Electronics Co., Ltd. 3
Voice & Data Convergence [1]Voice & Data Convergence [1]
Requirement of data networking equipment for VoIP service.
NAPT, Firewall, IDS/IPS Traversal
VPN
QoS
Etc ?
© Samsung Electronics Co., Ltd. 4
Voice & Data Convergence [2]Voice & Data Convergence [2]
What are advantages of convergence ?Easy Configuration and Maintenance.
Efficient and correct stateful operation for VoIP sesstions.
Potential Advantages. Imagine !!!
© Samsung Electronics Co., Ltd. 5
Convergence in OfficeServ7400Convergence in OfficeServ7400
Specialized Feature named “VoIP Service”
Focused on …NAPT auto-conf.
Firewall auto-conf, strong and efficient VoIP packet inspection (like SPI)
QoS auto-conf.
© Samsung Electronics Co., Ltd. 6
V/S Scenario #1. Private Network with F/WV/S Scenario #1. Private Network with F/W
OfficeServ7400
ISP B
GWIM
IP Pone
IP Pone
IP Pone
GWIM
P1
P2P3
SIO
V35 H
SSI
RUN
V35
HSSI
P1
P2
P3R
ST
GLIMP
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13P14
LNK
ACT
LNK
ACTRST G
LIMP
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13P14
LNK
ACT
LNK
ACTRST
GPLIM
GPLIM
• Frame Relay as Primary WAN connection
• xDSL as Back-up WAN connection• One or a few fixed public IP addresses
(/32) assigned to the Site.• VLAN1 for 10.0.0.1/24, VLAN2 for 10.0.1.
1/24 • Firewall enabled
INTERNET
ISP2IP
Pone
ADSL
ADSL
ISPA
CSU/DSU
MP40
MGI64
MGI64GSIM
P1P6
P2P7
P3P8
P4P9
P5P10
LNK
ACTSIO
GSIMVLAN1
VLAN2
IP Pone
IP Pone
© Samsung Electronics Co., Ltd. 7
V/S Scenario #2. Public Network with F/WV/S Scenario #2. Public Network with F/WV/S Scenario #2. Public Network with F/WV/S Scenario #2. Public Network with F/W
OfficeServ7400
GWIM
IP Pone
IP Pone
IP Pone
GWIM
P1
P2P3
SIO
V35 H
SSI
RUN
V35
HSSI
P1
P2
P3R
ST
GLIMP
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13P14
LNK
ACT
LNK
ACTRST G
LIMP
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13P14
LNK
ACT
LNK
ACTRST
GPLIM
GPLIM
• More than one C class Public IP groups (/24) assigned.
• VLAN1 for 165.213.89.1/24, VLAN2 for 165.213.90.1/24
• Firewall enabled
INTERNET
ISP2IP
Pone
ADSL
MGI64
GSIM
P1P6
P2P7
P3P8
P4P9
P5P10
LNK
ACTSIO
GSIMVLAN1
VLAN2
Metro
MP40
MGI64
IP Pone
IP Pone
© Samsung Electronics Co., Ltd. 8
V/S Scenario #3. Public and Private Networks V/S Scenario #3. Public and Private Networks with F/Wwith F/W
OfficeServ7400
GWIM
IP Pone
IP Pone
IP Pone
GWIM
P1
P2P3
SIO
V35 H
SSI
RUN
V35
HSSI
P1
P2P3R
ST
GLIMP
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13P14
LNK
ACT
LNK
ACTRST G
LIMP
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13P14
LNK
ACT
LNK
ACTRST
GPLIM
GPLIM
* More than one C class Public IP groups (/24) assigned.
* One private network (192.168.0.1/24) is also employed.
* VLAN1 for 165.213.89.1/24, VLAN2 for 192.168.0.1/24
* Firewall enabled
INTERNET
ISP2IP
Pone
ADSL
MGI64
GSIM
P1P6
P2P7
P3P8
P4P9
P5P10
LNK
ACTSIO
GSIMVLAN1[public]
VLAN2[private]
Metro
MP40
IP Pone
IP Pone
© Samsung Electronics Co., Ltd. 9
V/S Scenario #4. VoIP between OS7400 and OS7400 V/S Scenario #4. VoIP between OS7400 and OS7400
Site A
GWIM
IP Pone
GWIM
P1
P2P3
SIO
V35 H
SSI
RUN
V35
HSSI
P1
P2P3R
ST
GLIMP
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13P14
LNK
ACT
LNK
ACTRST G
LIMP
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13P14
LNK
ACT
LNK
ACTRST
GPLIM
GPLIM
INTERNET
MGI64
GSIM
P1P6
P2P7
P3P8
P4P9
P5P10
LNK
ACTSIO
GSIMVLAN1[public]
VLAN2[private]
Metro
MP40
IP Pone
IP Pone
Site B
GWIMGWIM
P1
P2P3
SIO
V35 H
SSI
RUN
V35
HSSI
P1
P2
P3R
ST
GLIMP
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13P14
LNK
ACT
LNK
ACTRST
GPLIM
ISPACSU/DSU
MP40
MGI64GSIM
P1P6
P2P7
P3P8
P4P9
P5P10
LNK
ACTSIO
GSIMVLAN1
VLAN2
IP Pone
IP Pone
IP Pone
GLIMP
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13P14
LNK
ACT
LNK
ACTRST
VoIP Signal (SIP, H323, SPNET]
VoIP Media
© Samsung Electronics Co., Ltd. 10
VoIP Service Functions
GWIMAuto-configuration of NAPT for MCP and MGIs.
Dynamic Control of static NAPT and Firewall under development.
GSIM Auto-QoS supported.
auto-configuration of classification for VoIP traffics auto-configuration of DSCP Marking for VoIP traffics. auto-configuration of IEEE 802.1p marking, CoS Mapping for VoIP traffics.
GLIMPTBD
© Samsung Electronics Co., Ltd. 11
VoIP Service Internal [1]
IPC Message exchange via DPRAM
1 to 1 communication between MCP and other card (IPC among data cards not supported)
Message Types Request/Reply/Notification.
Fig.1 DPRAM map
© Samsung Electronics Co., Ltd. 12
VoIP Service Internal [2]V/S IPC Flow
MCP Data ModuleBootup or V/S Restart
1.Card_status Noti.
2.C/S_status Noti.
3.MCP_Info Req.
4.MCP_Info Rep.
5.Time_Info Req.
6.Time_Info Rep.
Only if “Time synch. with C/S” option is on
7.MGI_Info Req.
8.MGI_List_Info Rep.
8-1.MGI_List(#1) Req/Rep8-2.MGI_List(#2) Req/Rep
…8-7.MGI_List(#7) Req/Rep.
Get current DB for MGIs,ITPs,WIPs
9. DB_Info Noti.DB Learning finished
© Samsung Electronics Co., Ltd. 13
VoIP Service Internal [3]V/S IPC Flow [Cont.]
MCP Data ModuleCurrent Service Info including NAPT/FW…
10. Service_Info Req.
11. Service_Info Rep.
15. MGI_Info Noti. New MGI/ITP/WIP Info added
If NAT=ON in Serivce_info, IP_Type=Private&Public
12. NAPT_Info Req.
13-1. MGI_NAPT_Info Rep.13-2. MGI_NAPT_Info Rep.
14. MCP_NAPT_Info Rep.
13-n. MGI_NAPT_Info Rep.
16. MGI_Status_info Noti. Existing MGI/ITP/WIP disconnected
17. MGI_Call_Info Noti. Call_Setup(MGI channel)* Static NAPT, F/W opened
18. MGI_Call_info Noti. Call_Finish (MGI Channel)* Static NAPT, F/W closed
19. Reset Noti.After MCP/LCP resetRestart V/S IPC
* Only for GWIM* NAPT Auto-conf.
* Only for GWIM
* Under Implemetation
© Samsung Electronics Co., Ltd. 14
VoIP Service Web Management [1]
* In case of Multiple WAN Interface, if any interface is set WAN Interface that can be selected for VoIP Service.
WAN Interface for VoIP traffics
LAN Interface for VoIP Modules
WAN Interface for data traffics
© Samsung Electronics Co., Ltd. 15
VoIP Service Web Management [2]
* The [VoIP DB] menu allows displaying the current information on the OfficeServ 7400 System (ex: MCP, MGI, IP Phone, WIP Phone)
© Samsung Electronics Co., Ltd. 16
VoIP Service Web Management [3]
VoIP Signalling
VoIP Media
for dynamic NAPT mapping of media port
VoIP
H323
SIP
PC-MMC
* Configured NAPT list for NAT traversal of inbound VoIP signal, media traffics.
* Public IP/Port ranges are automatically notified to MCP and MGIs through IPC. Check the MMC 320, 321.
© Samsung Electronics Co., Ltd. 17
VoIP Auto-QoS (GSIM) [1]
For ITPs, WIPs
For MCP, MGIs
VoIP
MCP
* voip_common/system/terminal_classmaps are automatically created by V/S.
* In case of V/S DB update, voip_system_classmaps are automatically updated.
Signal
Signal
Media
Media
By DSCP
MCP
MGI
MGI
© Samsung Electronics Co., Ltd. 18
VoIP Auto-QoS (GSIM) [2]
* Following actions are configured as confirm actions for voip_xxx_classmaps : - insert DSCP 40 - insert 802.1p priority 7 => at least, one VLAN is needed to transmit ta
gged packets to connected switches. (egress_tagged option)
© Samsung Electronics Co., Ltd. 19
VoIP Auto-QoS (GSIM) [3]
* voip_policymap is applied to all ports by default. * Also, user can replace the voip_policymap with a user-defined poli
cymap.
© Samsung Electronics Co., Ltd. 20
VoIP Auto-QoS (GSIM) [4]
* Not affected by V/S. By default.* By V/S, priority of VoIP traffic is set to 7 and is enqueued to th
e highest queue (7).
© Samsung Electronics Co., Ltd. 21
VoIP Auto-QoS (GSIM) [5]
* Not affected by V/S. By default.
Samsung Electronics Co., Ltd.
Code : STM#116 Samsung Electronics Co., Ltd. Proposed Network Configuration Distribution EnglishED01
Code : STM#111 Samsung Electronics Co., Ltd. Proposed Network Configuration Distribution EnglishED01