EPC Dimensioning Tool

Phase 1 Phase 2 Subscriber 1 2

Smartphones 0.0% 25.0%Data cards 100.0% 75.0%

Smartphones 0 500,000Data cards 1,000,000 1,500,000

Internet Access 1 AllOffice VPN 1 30% of data cards

Data Session Profile for a Smartphone

Web browsing Email

Traffic Tipology Internet InternetSession Size 2 0.5

Session per BH 1 4Downlink 85% 80%

Traffic volume during BH DL&UL 2 2Traffic volume during BH DL 1.7 1.6

Total Traffic volume during BH (Internet) in DL&UL 14.04Total Traffic during BH (Internet) in DL 12.824

Data Session Profile for a Data CardTraffic Tipology Internet Internet

Session Size 2 2Session per BH 1 2

Downlink 85% 80%Traffic volume during BH DL&UL 2 4

Traffic volume during BH DL 1.7 3.2Total Traffic volume during BH (Internet) in DL&UL 16.04

Total Traffic during BH (Internet) in DL 14.424Total Traffic volume during BH (Office VPN) in DL&UL 1.00

Total Traffic during BH (Office VPN) in DL 0.6

Total traffic in the BH for Internet & Office VPN (DL&UL) Phase 1 Phase 2 Total traffic volume for all smartphones 0 7,020,000

Total traffic volume for all data cards 16,040,000 24,060,000Total traffic 16,040,000 31,080,000

BH throughput for Internet DL&UL 35.64 69.07Data cards using Office VPN 30% 30%

BH throughput for Office VPN DL&UL 300,000 450,000

Bearer Subscriber

Active subscribers

BH throughput for Office VPN DL&UL 0.67 1.00

Total traffic in the BH for DL Internet & Office VPN Phase 1 Phase 2 Total traffic volume for all smartphones 0 6,412,000

Total traffic volume for all data cards 14,424,000 21,636,000Total traffic 14,424,000 28,048,000

BH throughput for Internet DL 32.05 62.33Data cards using Office VPN 30% 30%

BH throughput for Office VPN DL 180,000 270,000BH throughput for Office VPN DL 0.40 0.60

Signalling

Procedure Phase 1 Phase 2

Active User during BH 90% 90%Attach 1 900,000 1,800,000

Idle to Active and back Transitions 50 45,000,000 90,000,000PDN Connection Setup 0.5 450,000 900,000

Bearer Activation/Deactivation 0.5 450,000 900,000X2 Handovers 0.25 225,000 450,000

TAU 0.1 90,000 180,000Inter-MME handovers 0.01 9,000 18,000

Inter-MME TAU 0.01 9,000 18,000

Procedures / Subscriber /BH

EPC Dimensioning Tool

Phase 34 millions Required inputs

50.0% percentage Outputs50.0% percentage Calculations

2,000,000 number of devices2,000,000 number of devices

30% of data cards

Gaming

Internet VPN Internet10 1 0.04 MB

1 0.25 195% 60% 60% percentage

10 0.25 0.04 MB9.5 0.15 0.024 MB

14.04 MB12.824 MB

Internet VPN Internet10 2 0.04 MB

1 0.5 195% 60% 60% percentage

10 1 0.04 MB9.5 0.6 0.024 MB

16.04 MB14.424 MB

1.00 MB0.6 MB

Phase 328,080,000 MB32,080,000 MB60,160,000 MB

133.69 Gbps30% BH

600,000 MB

Video Streaming

Office VPN

Phase 1 Phase 2 Phase 30

40

80

120

160

BH T

hput

DL&

UL

1.33 Gbps

Phase 325,648,000 MB28,848,000 MB54,496,000 MB

121.10 Gbps30% BH

360,000 MB0.80 Gbps

Phase 3

90% percentage3,600,000

180,000,0001,800,0001,800,000

900,000360,000

36,00036,000

Phase 1 Phase 2 Phase 30

40

80

120

160

BH T

hput

DL&

UL

Phase 1 Phase 2 Phase 30

40

80

120

160

BH T

hput

DL&

UL

Phase 1 Phase 2 Phase 30

40

80

120

160

BH T

hput

DL&

UL

Components Metrics unit

MMESimultaneous Attached Users (SAU) subscribesIdle to Active Transitions/second trans/secTransactions/second trans/sec

S-GW Number of Acive Bearers bearersData Processing Capacity Gbps

P-GW Number of Acive Bearers bearersData Processing Capacity GbpsNumber of Acive Bearers bearersData Processing Capacity Gbps

HSS Number of Users Supported subscribesPCRF Transactions/second trans/sec

Combined S-GW/P-GW

REQUIRED NODES

Value % Phase 1 Phase 2 Phase 3

3,000,000 85% 2,550,000 1 1 220000 85% 17000 1 2 325000 85% 21250

8,000,000 85% 6,800,000 1 1 130 85% 25.5 Internet 2 3 6 VPN

8,000,000 85% 6,800,000 1 1 130 85% 25.5 Internet 2 3 6 VPN

4,000,000 85% 3,400,000 1 1 215 85% 12.75 3 6 11

20,000,000 85% 17,000,000 1 1 110000 85% 8500 2 4 7

Operating Capacity

1 1 1

1 1 1

Dimensioning signalling per Interface

Procedure Phase 1

Attach 1 900,000 4Idle to Active and back Transitions 50 45,000,000 2

PDN Connection Setup 0.5 450,000 2Bearer Activation/Deactivation 0.5 450,000 2

X2 Handovers 0.25 225,000 1TAU 0.1 90,000 2

Inter-MME handovers 0.01 9,000 3Inter-MME TAU 0.01 9,000 3

Required Interface Capacity in DL (Mbps)

Procedure Phase 2

Attach 1 1,800,000 4Idle to Active and back Transitions 50 90,000,000 2

PDN Connection Setup 0.5 900,000 2Bearer Activation/Deactivation 0.5 900,000 2

X2 Handovers 0.25 450,000 1TAU 0.1 180,000 2

Inter-MME handovers 0.01 18,000 3Inter-MME TAU 0.01 18,000 3

Required Interface Capacity in DL (Mbps)

Procedure Phase 3

Attach 1 3,600,000 4Idle to Active and back Transitions 50 180,000,000 2

PDN Connection Setup 0.5 1,800,000 2Bearer Activation/Deactivation 0.5 1,800,000 2

X2 Handovers 0.25 900,000 1TAU 0.1 360,000 2

Inter-MME handovers 0.01 36,000 3Inter-MME TAU 0.01 36,000 3

Required Interface Capacity in DL (Mbps)

Dimensioning traffic user per Interface

Procedures / Subscriber /BH

Number of messages (S1)

Procedures / Subscriber /BH

Number of messages (S1)

Procedures / Subscriber /BH

Number of messages (S1)

S1-U

Packed Size 512Overhead per packet 44

Overhead 8.59%

Internet Phase 1 34.81Phase 2 67.69Phase 3 131.51

Office VPNPhase 1 0.43Phase 2 0.65Phase 3 0.87

TOTAL TRAFFICPhase 1 35.24Phase 2 68.34Phase 3 132.38

Procedure S1-CAttach/detach x

Idle to Active and back Transitions xPDN Connection Setup x

Bearer Activation/Deactivation xX2 Handovers

TAUInter-MME handovers x

Inter-MME TAU x

Dimensioning signalling per Interface

1.04 1 0.26 1 0.26 2 0.5226 1 13 1 13 0 0

0.26 1 0.13 1 0.13 0 00.26 1 0.13 1 0.13 0 0

0.065 1 0.065 1 0.065 0 00.052 1 0.026 1 0.026 1 0.026

0.0078 1 0.0026 1 0.0026 1 0.00260.0078 1 0.0026 1 0.0026 2 0.0052

27.693 13.616 13.616 0.554

2.08 1 0.52 1 0.52 2 1.0452 1 26 1 26 0 0

0.52 1 0.26 1 0.26 0 00.52 1 0.26 1 0.26 0 00.13 1 0.13 1 0.13 0 0

0.104 1 0.052 1 0.052 1 0.0520.0156 1 0.0052 1 0.0052 1 0.00520.0156 1 0.0052 1 0.0052 2 0.0104

55.385 27.232 27.232 1.108

4.16 1 1.04 1 1.04 2 2.08104 1 52 1 52 0 0

1.04 1 0.52 1 0.52 0 01.04 1 0.52 1 0.52 0 00.26 1 0.26 1 0.26 0 0

0.208 1 0.104 1 0.104 1 0.1040.0312 1 0.0104 1 0.0104 1 0.01040.0312 1 0.0104 1 0.0104 2 0.0208

110.770 54.465 54.465 2.215

Dimensioning traffic user per Interface

Data rate (Mbps)

Number of messages (S11)

Data rate (Mbps)

Number of messages

(S5/S8)Data rate

(Mbps)Number of

messages (S6a)Data rate

(Mbps)

Data rate (Mbps)

Number of messages (S11)

Data rate (Mbps)

Number of messages

(S5/S8)Data rate

(Mbps)Number of

messages (S6a)Data rate

(Mbps)

Data rate (Mbps)

Number of messages (S11)

Data rate (Mbps)

Number of messages

(S5/S8)Data rate

(Mbps)Number of

messages (S6a)Data rate

(Mbps)

S5 SGi

512 512 bytes44 0 bytess

8.59% 0.00% %

34.81 32.05 Gbps67.69 62.33 Gbps

131.51 121.10 Gbps

0.43 0.40 Gbps0.65 0.60 Gbps0.87 0.80 Gbps

If we use the same P_GW for Internet and Office VPN35.24 32.45 Gbps68.34 62.93 Gbps

132.38 121.90 Gbps

S11 S6a S5/S8 Gx S10x x x xx x xx x xx x x

x x xx x x x