U4.2 Capacities

8/12/2019 U4.2 Capacities

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DN70520301Issue 4-4

Nokia Siemens Networks 1 (18)

Nokia Siemens Networks Multimedia Gateway

MGW Release U4.2 CapacitiesProduct Documentation


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2 (18) Nokia Siemens Networks DN70520301Issue 4-4

The information in this document is subject to change without notice and describes only theproduct defined in the introduction of this documentation. This documentation is intended for the use of Nokia Siemens Networks customers only for the purposes of the agreement under which the document is submitted, and no part of it may be used, reproduced, modified or

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Contents

DN70520301Issue 4-4


Contents

1 Purpose ................................................................................................ 6

2 MGW U4.2 element level capacities.................................................... 72.1 MGW U4.2 new delivery main capacity figures ...................................... 7

3 Plug-in unit level capacities ............................................................. 83.1 Interface signaling unit (ISU) / CCP18-C................................................ 83.2 ATM interface unit / NP8S1-A ................................................................ 93.3 ATM AAL2 switching unit A2SU (CDSP-D) .......................................... 103.4 TDM interface unit IW1S1-A and IW1S1 (IWS1) .................................. 123.4.1 IW1S1-A user plane capacity with SF20 and MX1G6-A....................... 123.4.2 IW1S1-A and IW1S1 user plane capacity with SF10 and MX622......... 133.4.3 IW1S1 user plane capacity with SF20 and MX1G6-A........................... 143.4.4 IW1S1-A and IW1S1 signalling capacity with SF10 / MX622 and

SF20 / MX1G6-A.................................................................................. 143.5 TDM interface unit IW16P1-A (NIWU).................................................. 153.5.1 IW16P1-A user plane capacity with SF10 / MX622 and SF20 /

MX1G6-A............................................................................................. 153.5.2 IW16P1-A signalling capacity with FS10 / MX622 and SF20 /

MX1G6-A............................................................................................. 163.6 IP interface unit NP2GE and NP2GE-A (NPGEP) ................................ 16


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Summary of changes

Changes between issues 4-3 and 4-4:Table NPGEP capacity with different codecs (Ipv4) in chapter IP interface unit NP2GE and NP2GE-A (NPGEP) has been updated.

Changes between issues 4-2 and 4.3:

Table NPGEP capacity with different codecs (Ipv4) in chapter IP interface unit NP2GE and NP2GE-A (NPGEP) has been updated.

Changes between issues 4-1 and 4-2:

The following chapters have been modified:

MGW U4.2 new delivery main capacity figures

Interface signaling unit (ISU) / CCP18-C

IP interface unit NP2GE and NP2GE-A (NPGEP)

Changes between issues 4-0 and 4-1:

A few misspellings corrected.

Changes between releases U4.1 and U4.2:

Added below Table Maximum number of AAL2 ports and maximumnumber of 9 kcps VCs / plug-in unit : *all STM-1 configured equally.

Changes between issues 2-0 and 3-0, release 4.1:

Table IW1S1-A subchannel usage in ETSI and ANSI environments

(A-interface ) has been updated.

Changes between releases U4.1 and U4.0: MX1G6 has been replaced with MX1G6-A and NP8S1 has been

replaced with NP8S1-A.

AAL2 termination is performed in ATM interface unit NP8S1-A.

Up-CS bandwidth has been added to NPGEP IP-interface unit.

Table ISU unit capacities has been updated.


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Summary of changes

DN70520301Issue 4-4


Chapter ATM interface unit / NP8S1-A has been updated and tableMaximum number of AAL2 ports and maximum number of 9 kcpsVCs / plug-in unit is new.

Chapter ATM AAL2 switching unit A2SU (CDSP-D) has beenupdated.


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1 PurposeThis document provides information on Nokia Siemens NetworksMultimedia Gateway (MGW) capacities on TDM, ATM and IP

interfaces, ISU, and MGW network element level.


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MGW U4.2 element level capacities

DN70520301Issue 4-4


2 MGW U4.2 element level capacities2.1 MGW U4.2 new delivery main capacity figures

The main capacity figures for MGW U4.2 new delivery are as follows:

up to 80 000 simultaneous calls (depending on used call mix)

3.0M BHCA (14 x active ISU)

40 STM-1/OC-3 for TDM

100k ATM/AAL2 ports

160k IP ports

960 E1/T1 (1440 E1/T1 with TDM-optimised configuration)

600 signalling links (14 x active ISU)

30 000 msg/s in both directions, msg routing on MTP3(b)/M3UAlevel

25 500 msg/s in both directions on SCCP level (GT, Global titleanalysis, Multipoint Iu/A)

19 000 msg/s in both directions with Nas Node Selection Functionin MGW


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3 Plug-in unit level capacities3.1 Interface signaling unit (ISU) / CCP18-C

Table 1. ISU unit capacities 1)

Parameter ISU unit capacity

Simultaneous calls 2) 13 000 (call length over 260 sec)

BHCA 3) 215 000

Virtual Multimedia Gateway (VMGW)

connections within the same physicalMGW controlled by different MSSs 2)

6 500

AAL2 ATM ports (RNC-MGW, MGW- ATM BB)

13 000

AAL2 nodal function capacity 2) 6 600

ATM and TDM equivalent links. ATMequivalent link is 500 cps and TDMequivalent link is 64 kbps

42 x equivalent link or 1 x 2 Mbps

CCP18-A/C (with TDM, ATM SS7, andSIGTRAN)

2 100 msg/s in both directions, msgrouting on MTP3(b)/M3UA level, 1 750msg/s on SCCP level (GT, Global Titleanalysis), 1360 msg/s/dir with NNSF

Sigtran signalling link selection:

SLS bits 4

SLS bits 5 or more

Recommended Sigtran linkconfigurations between two nodes(load sharing)

2, 4, 8, 16 links and ISUs (1 link / ISU)for Sigtran 4)

1 link / active ISU for Sigtran


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Plug-in unit level capacities

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Parameter ISU unit capacity

Configurable ATM link size 500 3 000 cps

Number of VMGWs 5

1. These can all exist simultaneously.

2. Software static limitation: usually ISU performance (BHCA)restricts the number of simultaneous calls to 4750 (call length 80sec)

3. ABNF coding is about 5% more laborious for ISU than ASN1 inH.248 use

4. Example: MGW has 12 ISUs. Sigtran is configured for 8 ISUs and

each ISU has at least one H.248 link.

3.2 ATM interface unit / NP8S1-A

AAL2 termination and switching is performed in NP8S1-A; A2SU isnot needed.

The maximum number of active plug-in units per MGW is 5.

8 x STM-1/OC-3 interfaces (8 x VC-4 ETSI/ANSI hierarchy).

The maximum amount of shaped virtual paths (VPs) is 96 / STM-1.

The maximum amount of non-shaped VPs is 96 / STM-1.

The maximum virtual channel (VC) size is 23 kcps.

Table 2. Maximum number of AAL2 ports and maximum number of 9kcps VCs / plug-in unit

PIU AAL2 ports / PIU 9k VC / PIU 9k VC / STM-1*

NP8S1 40 000 160 20

NP8S1-A 50 000 200 25

*all STM-1 configured equally


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3.3 ATM AAL2 switching unit A2SU (CDSP-D)

A2SU is used with NIP1 and NIS1/NIS1P functional units.

Table 3. Maximum number of VCs per A2SU plug-in unit variant

A2SU plug-inunit

Max number of VCs

Up to 5 kcps VCper A2SU

Max number of VCs


Max number of VCs


Max number of VCs


AL2S-B

AL2S-D

CDSP-D

20 12 8 4

If more VCs than what is listed in table Maximum number of VCs per A2SU plug-in unit variant are configured, the A2SU maximum portcapacity is still:

248 AAL2 ports/VC * VC amount in table Maximum number of VCs per A2SU plug-in unit variant.

If traffic becomes higher than the maximum port amount, ALARM 3297 AAL2 PATH CAPACITY HAS EXCEEDED RECOMMENDED LIMIT

occurs, and more A2SU HW is needed.

Example 1. A2SU maximum port capacity

12 * 9kcps VC / A2SU gives 2976 AAL2 ports/A2SU. This is also themaximum A2SU throughput; if more than 12 VC/A2SU are configured connectivity increases but throughput remains the same.

Table 4. Traffic mix in different size VC, AMR/EFR codec and 64ktransparent data ports

VC bandwidth(kcps)

AMR12.2k ports / VC

64k transparentdata ports / VC

Data call ratio %

5 140 0 0

5 133 1 1

5 127 2 2

5 104 6 5


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VC bandwidth(kcps)

AMR12.2k ports / VC


Data call ratio %

5 89 9 105 72 12 15

5 62 14 20

5 22 22 50

5 0 28 100

9 248 0 0

9 245 3 1 *)

9 237 5 2

9 202 11 59 162 18 10

9 133 23 15

9 111 27 20

9 40 40 50

9 0 48 100

11 248 0 0

11 232 16 6.5 *)

11 202 22 10

11 161 29 15

11 132 34 20

11 50 40 50

11 0 58 100

13 248 0 0

13 218 30 12 *)

13 196 34 15

13 160 40 20

13 60 58 50

13 0 70 100

21 248 0 0

21 166 82 33 *)

21 97 95 50


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VC bandwidth(kcps)

AMR12.2k ports / VC


Data call ratio %

21 0 114 10023 248 0 0

23 152 96 38 *)

23 106 104 50

23 0 126 100

*) maximum traffic mix: voice+ data = 248 channels (AAL2 standardaddressing limitation)

Table 5. Traffic mix in different size VC, AMR-WB codec

VC bandwidth(kcps)

AMR-WB 23.85kports / VC



5.5 80 152 248

9 140 248 248

15.5 248 248 248

3.4 TDM interface unit IW1S1-A and IW1S1 (IWS1)

3.4.1 IW1S1-A user plane capacity with SF20 and MX1G6-A

63 E1 (VC-12 in STM-1)

84 T1 (VC-1 1 in OC-3)

Table 6. IW1S1-A subchannel usage in ETSI and ANSI environments

(A-interface)

A-interface TSL/PCM TSL/VETGR TSL/IW1S1-A

IW1S1-A (E1)

64 kbps 31 651 1953

IW1S1-A (T1)

64 kbps 24 672 2016


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Table 7. IW1S1-A subchannel usage in ETSI and ANSI environments(Ater interface)

Ater interface TSL/PCM TSL/VETGR TSL/IW1S1-A

IW1S1-A (E1)

16 kbps 120 2520 7560

32 kbps 60 1260 3780

64 kbps 30 630 1890

IW1S1-A (T1)

16 kbps 95 2660 798032 kbps 47 1316 3948

64 kbps 23 644 1932

3.4.2 IW1S1-A and IW1S1 user plane capacity with SF10 / SF10E andMX622

Table 8. IW1S1-A and IW1S1 subchannel usage in ETSI and ANSIenvironments (A-interface)

A-interface TSL/PCM TSL/VETGR TSL/IW1S1-Aand IW1S1

IW1S1-A andIW1S1 (E1)

64 kbps 31 534 1602

IW1S1-A andIW1S1 (T1)

64 kbps 24 534 1602

Table 9. IW1S1-A subchannel usage in ETSI and ANSI environments(Ater interface)



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IW1S1-A (E1)

16 kbps 120 2067 6201

32 kbps 60 1060 3180

64 kbps 30 517 1550

IW1 S1-A (T1)

16 kbps 95 2114 6342

32 kbps 47 1046 3138

64 kbps 23 512 1536

3.4.3 IW1S1 user plane capacity with SF20 and MX1G6-A

Table 10. IW1S1 subchannel usage in ETSI and ANSI environments (A-interface)

A-interface TSL/PCM TSL/VETGR TSL/IW1S1

IW1S1 (E1)

64 kbps 31 534 1602IW1S1 (T1)

64 kbps 24 534 1602

3.4.4 IW1S1-A and IW1S1 signalling capacity with SF10 / SF10E / MX622andSF20 / MX1G6-A

Table 11. Max number of links per IWS1

PIU Number of 64 kbpslinks

Number of 2 Mbps

IW1S1-A Max 31 -

IW1S1-A - Max 1


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DN70520301Issue 4-4


PIU Number of 64 kbpslinks

Number of 2 Mbps

IW1S1 16 -

Notice that these numbers are valid with 0.2 Erl link load.

3.5 TDM interface unit IW16P1-A (NIWU)

3.5.1 IW16P1-A user plane capacity with SF10 / SF10E / MX622 and SF20

/MX1G6-A

Table 12. NIWU subchannel usage in ETSI and ANSI environments (A-interface)

A-interface TSL/PCM TSL/ETGR TSL/NIWU

NIWU (E1)

64 kbps 31 124 496

NIWU (T1)

64 kbps 24 96 384

Table 13. NIWU subchannel usage in ETSI and ANSI environments (Ater interface)

Ater interface TSL/PCM TSL/ETGR TSL/NIWU

NIWU (E1)

16 kbps 120 480 1920

32 kbps 60 240 960

64 kbps 30 120 480

NIWU (T1)

16 kbps 95 380 1520

32 kbps 47 188 752

64 kbps 23 92 368


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3.5.2 IW16P1-A signalling capacity with FS10 / MX622 and SF20 /MX1G6-A

NIWU consists of four exchange termination group (ETGR) blocks, eachof which handles four PCMs and has its own signalling link capacity.

Table 14. Max number of links per NIWU/ETGR

IW16P1-A Number of 64 kbpslinks

Number of 2 Mbps

ETGR Max 31 -

ETGR - Max 1

3.6 IP interface unit NP2GE and NP2GE-A (NPGEP)

The maximum number of active plug-in units per MGW is 6

NPGEP: 2 x 1 000Base-T Ethernet or 2 x 1 000 Base-LXEthernet

Table 15. NPGEP capacity with different codecs (IPv4)

Codec Mode /Bitrateof codec(kbit/s)

Packetizationperiod(ms)

User data per packet(Bytes)

IuIP and Nbinterface

Mb, Nb (SIP-I) andAoIP interface

Ports/ NP2GEP-A Ports / NP2GEP

IPv4 IPv6 IPv4 IPv6 IPv4 IPv6 IPv4 IPv6

Ether netbitrate/port


Ether netbitrate

Ether netbitrate

Ports Ports Ports Ports

For AMR:IncludingAMRpayloadheader for Mb,Nb (SIP-I),AoIP

inter faces

kbit/s kbit/s kbit/s kbit/s

64 5 40 182.4 214.46 820 6 820 5 600 5 600

64 10 80 123.2 139.2 120.0 136.0 9 100 9 100 9 100 9 100

G.711

64 20 160 93.6 101.6 92.0 100.0 13 650 13 650 13 650 13 6506.3 30 24 26.1 31.5 25.0 30.4 32 000 32 000 32 000 32 000G.723.

15.3 30 20 25.1 30.4 24.0 29.3 32 000 32 000 32 000 32 000

G.723. 6.3 30 24 26.1 31.5 25.0 30.4 32 000 32 000 32 000 32 000


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Codec Mode /Bitrateof codec

(kbit/s)

Packetizationperiod(ms)

User data per packet(Bytes)

IuIP and Nbinterface

Mb, Nb (SIP-I) andAoIP interface

Ports/ NP2GEP-A Ports / NP2GEP

IPv4 IPv6 IPv4 IPv6 IPv4 IPv6 IPv4 IPv6



Ether netbitrate

Ether netbitrate

Ports Ports Ports Ports

For AMR:IncludingAMRpayloadheader for Mb,Nb (SIP-I),AoIPinter faces

kbit/s kbit/s kbit/s kbit/s

1annex A

5.3 30 20 25.1 30.4 24.0 29.3

32 000 32 000 32 000 32 000

8 10 10 67.2 83.2 64.0 80.0 14 000 14 000 11 200 11 200G.729A8 20 20 37.6 45.6 36.0 44.0 27 300 27 300 22 400 22 4008 10 10 67.2 83.2 64.0 80.0 14 000 14 000 11 200 11 200G.729

annexB 8 20 20 37.6 45.6 36.0 44.0 27 300 27 300 22 400 22 400

15.2 20 38 N/A N/A 43.2 51.2 27 300 27 300 22 400 22 400iLBC

13.3 30 50 N/A N/A 32.0 37.3 32 000 32 000 32 000 32 000GSMHR

5.6 20 14 35.2 43.2 33.6 41.628 000 28 000 22 400 22 400

GSMFR

13 20 33 42.8 50.8 41.0 49.228 000 28 000 22 400 22 400

GSMEFR

12.2 20 31 42.0 50.0 40.2 48.428 000 28 000 22 400 22 400

4.75 20 12 13 34.4 42.4 33.2 41.2 32 000 32 000 32 000 32 0005.15 20 13 14 34.8 42.8 33.6 41.6 32 000 32 000 32 000 32 000

5.9 20 15 16 35.6 43.6 34.4 42.4 32 000 32 000 32 000 32 0006.7 20 17 18 36.4 44.4 35.2 43.2 32 000 32 000 32 000 32 0007.4 20 19 20 37.2 45.2 36.0 44.0 32 000 32 000 32 000 32 000

7.95 20 20 21 37.6 45.6 36.4 44.4 32 000 32 000 32 000 32 00010.2 20 26 27 40.0 48.0 38.8 46.8 32 000 32 000 32 000 32 000

AMR

12.2 20 31 32 42.0 50.0 40.8 48.8 32 000 32 000 32 000 32 0006.6 20 17 18 36.4 44.2 35.2 43.2 32 000 32 000 32 000 32 000

8.85 20 23 24 38.8 46.5 37.6 45.6 32 000 32 000 32 000 32 00012.65 20 32 33 42.4 50.3 41.2 49.2

32 000 32 000 32 000 32 00014.25 20 36 37 44.0 51.9 42.8 50.8 32 000 32 000 32 000 32 00015.85 20 40 41 45.6 53.5 44.4 52.4 32 000 32 000 32 000 32 00018.25 20 46 47 48.0 55.9 46.8 54.8 32 000 32 000 32 000 32 00019.85 20 50 51 49.6 57.5 48.4 56.4 32 000 32 000 32 000 32 00023.05 20 58 59 52.8 60.7 51.6 59.6 32 000 32 000 32 000 32 000

AMRWB

23.85 20 60 61 53.6 61.5 52.4 60.4 32 000 32 000 32 000 32 000


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U4.2 Capacities