Download - How to Achieve Carrier-Grade VoIP Roll-Out with Record Time-to-Market and Low Development Cost
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How to Achieve Carrier-Grade VoIP Roll-Out with Record Time-to-Market
and Low Development Cost
Majid Foodeei PhD System Architect/ Technical Marketing
[email protected] Communications, Inc.Centillium Communications, Inc.
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M. Foodeei, Centillium Comm.
VoIP Reality in the Making
• Broadband access offering• Wireless (2G/3G) and WiX and NGN convergence• VoIP, “Triple/Quadruple Play” and other services• Commitments/roll-out by tier 1 & comp. providers
o BT, NTT, KDI, AT&T, SBC o ISPs, Skype
• Examples of milestones and service roll-out tractiono BT vendor select done, Initial live
trial/deploymento 30+ million Skype users
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M. Foodeei, Centillium Comm.
Building the Right VoIP Gear: Requirements & Challenges
• MUST and SHOULD Requirements and Challenges:o Carrier-grade qualityo Scalable o Interoperableo Convergence ready (wireless IMS model & NGN
VoIP)o 99.999, fault-tolerant, advanced field/live
diagnostics and remote monitoringo Feature rich (codecs, network features)
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M. Foodeei, Centillium Comm.
Building the Right VoIP Gear: Requirements & Challenges (cont.)
• VoIP or VoP for Converged Networkso Same HW & SW for VoIP/PSTN, wireless (2G/3G/…), NGN
VoPo Network interworking with and without transcodingo Many advanced network processing features: e.g. 3GPP
Iu/Nb, lawful interceptiono Voice enhancement features (acoustic EC, adap. level
control, noise suppression)• Remains Top Decision Criteria
o Time-to-marketo Cost (development, system and maintenance)
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M. Foodeei, Centillium Comm.
Overview of VoIP Development Alternatives
• Voice Processor Building Block Alternativeso Using general-purpose DSP and NP + multiple SW o Using advanced SoC (DSP+NP+SW)
• Advantages of Advanced SoC o Accelerates hardware & software development o Lowers cost (development, system, and maintenance) o Better scalable application SW and HWo Better meets high-density and low power requirements
• How do chip-level variables play into development?
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M. Foodeei, Centillium Comm.
Product Cycle Flow-Chart: From Vendor Selection to Operation Maintenance
Given Platform/ Chassis& Board Form Factor
Feature set
Power Budget
Capacity Target
Board Space
------ HW Development ------1- DSP + NP 2- Aggregation3- Host (Control & Signaling)4- Other (Power, Redundancy, etc.) ---- SW Development ----1- DSP + NP SW2- Aggregation SW/Control3- Host SW
Integrated?3rd Party? Or
Internal?
---- System Testing & QA ---- HW/SW Component Integration
-- Field Support/ Maintenance --Component Fault & Testability
Scalability
Advanced SoC Advantage-High capacity/Low power-Low chip count (Integrated)-Fast development (Months)-Low cost
-Very fast development (Integrated SW)-Common API across scales
-Shorter system testing (System tested SoC)-Lower cost and easier support
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M. Foodeei, Centillium Comm.
An Example of Advanced SoC: Inside Entropia-III
Centillium Entropia III
RAMMIPSCPU
RAMMIPSCPU
AAL1Accel
SDRAMI/F
DMA
Uto
pia
Host I/F
AD
PC
M
CAS/HDLC
GM
AC
PO
S
4x CPU
RA
M
AD
PC
M
RA
M
AAL5Accel
6x DSP
TSI (
8192
x 1
360)
VCUSigmaDSP
VCUSigmaDSP
Jitte
r Buf
fer
RAM
Packet EnginesVoice
Engines
TDM
I/F
FIFO
MII/GMII
POS-PHY
Utopia2
TDMPorts
Dual-mode Host I/F(Motorola/PCI)
SDRAM SDRAM
E U0
EU
1E
U2
EU
3
XMEM YMEMXMEM YMEM
64
Sigma DSP VCU
EU
9
EU
0
PMEM128
PMEM80
64
Output ALU64 64
Sigma+VCU (SigmaPlus) Core•14 MAC/cycle (25 GMAC/sec Entropia-III)• For the DSP intensive tasks about 10x performance advantage over the conventional single MAC DSPs (such as TI C54x core)•At system level translating to ~5x advantage Built for voice processing (EC & Codec)
1 Gop/sec NP+ HW Acc.Integrated Advanced SoC and Integrated Advanced SoC and
3G-NGN System Software Suites3G-NGN System Software Suites
ADPCM
H/W
Other Blocks
3G-NGN System Software Suites3G-NGN System Software Suites (SoC integrated GW-on-chip)(SoC integrated GW-on-chip)
Advanced GW-system APIAdvanced GW-system API
Feature A Feature Z
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M. Foodeei, Centillium Comm.
In Production VoIP DSP & SoC
0
200
400
600
800
1000
1200
G.711 G.711 +AnnexI&II
G.726 G.729AB orT.38
G.723.1 AMR EVRC
Entropia-III
Comcerto700
Comcerto600
3010
FreescaleMSC8122
AudiocodeAC491
* * Source: Linley Group Report (Sep. 2004)Source: Linley Group Report (Sep. 2004)* Still the Status for In Production Chips in * Still the Status for In Production Chips in Aug-’05Aug-’05* All vendors have roadmaps (Best in class * All vendors have roadmaps (Best in class relationships remain)relationships remain)
Cen
tilliu
m E
ntro
pia
III
Com
certo
600
(1Q
05)
Free
scal
e S
tarC
ore
TI 3
010
Bro
adco
m C
alis
to
GMACsmW/G7110
5
10
15
20
25
GMACs
Silicon Vendors
mW/G711
GW VoIP Silicon DSP processing power & power consumption
GMACs
mW/G711
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M. Foodeei, Centillium Comm.
Case Examples of System Advanced System, Provided at SoC Level
• Lawful interception: Integrated at system-level API • 3G wireless advanced features
o Tandem-Free and Transcoder Free (TFO/TrFO)o Transcoder and IP-IP/ATM-IP network interworkingo 3GPP User-Plane (Iu and Nb)o TTY/TTD/CTM (Cellular Text Mode)o Hand-off and IP-forking
• Remote Diagnostics and steam capture• 128-way conferencing with game options
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M. Foodeei, Centillium Comm.
Case of Time-to-Market & Cost Savings
• Case A (GP-DSP) o Large and Lengthy (years) Engineering Effort Required
• 10 to 20 HW designers, • Big (~40) DSP design team,
o Additional Time for MGCP/SIP, System Test and SQA Additional Time/Cost• Case B (Advanced SoC)
o Small Engineering Teams• 2 people HW design team• 2 SW Engineers• 2 System QA
o First calls setup in 2 weeks after HW o MGCP/SIP MGW deployed in 6 monthso UMTS/CDMA2K GW available in done and available in less than one year
• Time-to-Market Advantage: Turnkey, complete system solution, system-level flexible API
• Cost: Board/System, Development, & Maintenance
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BackupsBackups
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M. Foodeei, Centillium Comm.
CPE and Small (Atlanta VoIP+Router Products & Pn00 VoIP+Router+DSL
Products)Power SupplyPower Supply
FlashFlash
Street Fighter
SDRAMSDRAM
SLAC/SLICSLAC/SLIC
SLAC/SLICSLAC/SLIC
EthernetEthernetMIIMII
PCMPCM
Atlanta™ 100Atlanta™ 100 EthernetEthernetMIIMII
VoIP MTA
SOFTWARESOFTWARE
ONE Common ONE Common SoftwareSoftwarePlatformPlatform
Power SupplyPower Supply
FlashFlash
Street Fighter
SDRAMSDRAM
SLAC/SLICSLAC/SLIC
SLAC/SLICSLAC/SLIC
PCMPCM
Atlanta™ 100Atlanta™ 100
VoIP & Security Router
5-port5-portSwitchSwitch
DMZDMZ
MIIMII
MIIMII
Power SupplyPower Supply
FlashFlash
Street Fighter
SDRAMSDRAM
SLAC/SLICSLAC/SLIC
SLAC/SLICSLAC/SLIC
PCMPCM
Atlanta™ 100Atlanta™ 100
Small IP PBX (8 Channel)
MIIMII
SLAC/SLICSLAC/SLIC
SLAC/SLICSLAC/SLIC
SLAC/SLICSLAC/SLIC
SLAC/SLICSLAC/SLIC
SLAC/SLICSLAC/SLIC
SLAC/SLICSLAC/SLIC
EthernetEthernet
Power SupplyPower Supply
FlashFlash
Street Fighter
SDRAMSDRAM
CordlessCordlessBaseBase
PCMPCM
Atlanta™ 100Atlanta™ 100
Cordless VoIP Station and Wireless Router
WiFiWiFi802.11x802.11x
EthernetEthernet
PCIPCI
MIIMIIEthernetEthernetMIIMII
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M. Foodeei, Centillium Comm.
Medium to Large Silicon Example (Centillium Entropia Family)
HostHost
Street Fighter
SDRAMSDRAM
TDMTDM
EthernetEthernetPOSPOS
PCMPCM
Entropia 64, 96Entropia 64, 96 ATMATMUtopia2Utopia2
VoIP SMB/Med IP-PBX
SOFTWARESOFTWARE
ONE Common ONE Common SoftwareSoftwarePlatformPlatform
HostHost
SDRAMSDRAM
Street Fighter
SDRAMSDRAM
TDMTDMPCMPCM
Entropia™ 336Entropia™ 336
Small/Medium GW
ATMATM
EthernetEthernet
Utopia-2Utopia-2
POSPOS
HostHost
SDRAMSDRAM
Street Fighter
SDRAMSDRAM
TDMTDMPCMPCM
Entropia™ 4672Entropia™ 4672 & 4002& 4002
(Large) Advanced Wireless/Wireline GW
ATMATM
EthernetEthernet
Utopia-2Utopia-2
POSPOSEthernetEthernet(G)MII(G)MII
HostHost
SDRAMSDRAM
Street Fighter
SDRAMSDRAM
TDMTDMPCMPCM
Entropia™ 4001Entropia™ 4001
(Large) Advanced G711 GW
ATMATM
EthernetEthernet
Utopia-2Utopia-2
POSPOSEthernetEthernet(G)MII(G)MII