03 - IDNOG04 - Hideyuki Sasaki (BBIX) - Introducing Internet Culture To The Old Fashioned Mobile Data Roaming World

1. Confidential
Introducing Peering Culture into
the International Mobile Roaming World
IDNOG 4, 2017
Hideyuki Sasaki
Planning Department
BBIX, Inc.

2. Confidential
Who is Hideyuki Sasaki
10 years as a Engineer at SoftBank!?, Japan
• Voice(PSTN-C5/TUP/ISUP & VoIP-SIP)
• Signaling(SCCP GW Administrator)
• International Roaming (IREG Tester)
5 years as a Product Manager at BBIX
• Internet Exchange
• Roaming Peering Exchange

3. Confidential 2
About BBIX
Registered Name BBIX, Inc.
URL http://www.bbix.net/
President & CEO
Keiichi Makizono
Senior Vice President, Head of Network Unit, SoftBank Corp.
HQ
Tokyo Shiodome Bldg.
1-9-1, Higashi Shinbashi, Minato-ku, Tokyo, JAPAN
Established June 13, 2003
Capital Stock 100mil JPY
Shareholder SoftBank Corp.(100%)
Subsidiaries
• BBIX International, Inc.
• BBIX Hong Kong Pte. Limited
• BBIX Singapore Pte. Ltd.
Main Business Internet eXchange, Roaming Peering eXchange, VNE
Well known as a Techie Team in SoftBank Group

4. Jan-14
Mar-14
May-14
Jul-14
Sep-14
Nov-14
Jan-15
Mar-15
May-15
Jul-15
Sep-15
Nov-15
Jan-16
Mar-16
May-16
Jul-16
Sep-16
Nov-16
Jan-17
Mar-17
Fastest Growing
Internet Exchange
in Japan
3
Traffic Growth

5. 4
Japan
©2014 nomad All Rights Reserved.
E F
Hong Kong
Singapore
BBIX Locations
BBIX Tokyo NTT Data Otemachi
BBIX Tokyo No.2 ComSpace I
BBIX Tokyo No.3 Equinix TY2
BBIX Tokyo No.4 Equinix TY4
BBIX Tokyo No.5 AT TOKYO CC1
BBIX Tokyo No.6 SoftBank Maruyama
CLS
BBIX Okinawa First Riding Technology
BBIX Singapore Equinix SG1
BBIX Hong Kong Mega-i

6. Why we deployed wide area exchange?
5

7. 6
To solve the
bad roaming
experiences

8. Traffic handling in a Mobile Network
Mobile Core
Backbone The
Internet
SGW
SGSN
PGW
GGSNGTP Tunnel
Nationwide IP backbone is used

9. Traffic handling in a Mobile Network
(Roaming environment)
GRX/IPX The
Internet
SGW
SGSN
PGW
GGSNGTP Tunnel
GRX/IPX
Indonesia Japan
We use GRX/IPX(Transit provider)
instead of the own IP backbone

10. Traffic handling in a Mobile Network
(Roaming environment)
GRX/IPX The
Internet
SGW
SGSN
PGW
GGSNGTP Tunnel
GRX/IPX
Indonesia Japan
Heavy latency caused by the Inter-GRX
AMS
-IX
Netherland

11. Let’s think about TCP!
10ms latency brings 1/10 throughput
Data Communication
Packet
Acknowledgement
Packet
Acknowledgement
TCP
Handshake

12. Test environment
11
The Internet
WiFi
Linux+Squid(Proxy)
With 100ms
Latency (using tc)
Linux+Squid(Proxy)
with No Latency
Web server
We know how latency affects throughput
iPhone 6s

13. Test Result
12No Latency +100ms latency

14. 13
Latency is important factor for Voice
Source : ITU-T Recommendation G.114 (05/2003)

15. 14
How do we handle VoLTE calls!?
General GRX’s Latency

16. Solution?
15

17. Solution?
16
Peering!!

18. MNOs’ roaming via GRX
MNO A MNO B
GRX is a BLACKBOX
SGSN Home
GGSN
GRX s Network
?

19. Our concept : Direct Connection
Direct peering brings better connectivity
MNO A MNO B

20. GRX s architecture
19
BGP
BGP
BGP
BGP
GRX is inter-net for Mobile Network Operators
It is closed/Private network but used technology is completely same as “the Internet”.
Source: IR.34 IPX Model, GSMA

21. GRX s architecture
20
BGP
Let’s introduce the “peering culture”
to the roaming world

22. Connection Type Image Relationship
Payme
nt
Prefix
exchange
Connecti
on
Transit
= GRX/IPX
Rely on
Upstream
Yes
Upstream provider will
provide fully reachability
to the network
1:1
Peer
Private Equal footing No Exchange own NW
prefixes each other 1:1
Public
=RPX
Equal footing No
Exchange own NW
prefixes each other over
the public exchange
1:N
ISP A
(Upstream)
ISP B
(Downstream)
ISP A ISP B
ISP A
ISP B
ISP C
ISP D
IX
Transit vs Peering
IX Port cost is needed
Transport cost will be splitted.
User will pay to Upstream provider

23. Only Problem
22
Telco people do not know the
peering world!

24. Bravest companies
23
Taiwan Mobile
Taiwan
AIS
Thailand
Telkomsel (Telin)
Indonesia
SoftBank
Japan

25. 24
Speed Test result: 3G
4-5 times faster than the connection over GRX/IPX
0
2
4
6
8
10
12
0 200 400 600
Throughput (Mbps)
RTT (ms)
Downlink
0
0.5
1
1.5
2
2.5
0 200 400 600
Throughput (Mbps)
RTT (ms)
Uplink
BBIX BBIX
GRX
GRX

26. 25
Speed Test result: 4G
0
5
10
15
20
25
30
35
40
0 100 200 300 400
Throughput (Mbps)
RTT (ms)
Downlink
0
2
4
6
8
10
12
14
16
0 100 200 300 400
Throughput (Mbps)
RTT (ms)
Uplink
BBIXBBIX
GRX
GRX
Doubled throughput on 4G/LTE network

27. Case in this country
26
Telkomsel
Below 10MbpsOver 40Mbps
XL
Big improvement!!

28. Case in Korea
Faster than the local
environment J
27

29. 28
Taking you forward to VoLTE era
Smart IX’s Latency General GRX’s Latency

30. Next step
29
• IRR Database for Roaming
• DNS Server
• Local breakout
Utilize the know-how of
the Internet backbone operation

31. No Peering, No Internet