- The APRICOT-APAN 2015 conference network offers dual-stack and 464XLAT connectivity for IPv6 access. - 464XLAT allows IPv4-only devices to access the IPv6 network through address translation at the Customer Location Address Translator (CLAT) and Port-Limited Address Translator (PLAT). - Statistics on the 464XLAT network at the conference venue show uplink and downlink traffic volumes and the number of WiFi associations using the 464XLAT SSID.

1. Copyright © 2015 Japan Internet Exchange Co., Ltd.
Japan Internet Exchange Co., Ltd.
Masataka MAWATARI
<mawatari[at]jpix.ad.jp>
IPv4 over IPv6 in the Venue,
APRICOT-APAN 2015 Fukuoka
1

2. Copyright © 2015 Japan Internet Exchange Co., Ltd.
• APRICOT-APAN 2015 conference network is
IPv6 available. (as you expected )
• 2 ways are offered now!
– Dual stack > SSID: apricot, apricot-g
– 464XLAT > SSID: apricot-xlat
• For driving further IPv6 deployment forward
– IPv4 over IPv6 is one of catalysts to deploy IPv6.
Introduction
IPv4
Network
IPv4
Network
IPv6
Network
2

3. Copyright © 2015 Japan Internet Exchange Co., Ltd.
• APRICOT-APAN 2015 conference network is
IPv6 available. (as you expected )
• 2 ways are offered now!
– Dual stack > SSID: apricot, apricot-g
– 464XLAT > SSID: apricot-xlat
• For driving further IPv6 deployment forward
– IPv4 over IPv6 is one of catalysts to deploy IPv6.
Introduction
IPv4
Network
IPv4
Network
IPv6
Network
3

4. Copyright © 2015 Japan Internet Exchange Co., Ltd.
IPv4 over IPv6 techniques
MAP-T
IPv4 IPv6
NAPT44
&Stateless
Translation
Stateless
Translation
CE BR
IPv4 IPv4 IPv6
Stateless
Translation
Stateful
Translation
CLAT PLAT
IPv4
464XLAT
MAP-E
IPv4 IPv6
NAPT44
&Encap/Decap
Encap/Decap
CE BR
IPv4 IPv4 IPv6
Encap/Decap
B4 AFTR
IPv4
DS-Lite
Stateless address sharing and
Stateless address sharing and Stateful address sharing and
Stateful address sharing and
tunneling methodtunneling method
translation method translation method
Encap/Decap
&NAPT44
4
RFC6877
RFC6333

5. Copyright © 2015 Japan Internet Exchange Co., Ltd.
IPv4 over IPv6 techniques
MAP-T
IPv4 IPv6
NAPT44
&Stateless
Translation
Stateless
Translation
CE BR
IPv4 IPv4 IPv6
Stateless
Translation
Stateful
Translation
CLAT PLAT
IPv4
464XLAT
MAP-E
IPv4 IPv6
NAPT44
&Encap/Decap
Encap/Decap
CE BR
IPv4 IPv4 IPv6
Encap/Decap
B4 AFTR
IPv4
DS-Lite
Stateless address sharing and
Stateless address sharing and Stateful address sharing and
Stateful address sharing and
tunneling methodtunneling method
translation method translation method
Encap/Decap
&NAPT44
5
RFC6877
RFC6333

6. Copyright © 2015 Japan Internet Exchange Co., Ltd.
464XLAT (RFC 6877)
CLAT PLAT
IPv6
Internet
198.51.100.1
192.168.1.2
IPv4
Internet
IPv6
IPv4 Private
PLAT>
IPv4 pool
[192.0.2.1 - 192.0.2.100]
PLAT-Side XLATE IPv6 Prefix
[2001:db8:bbbb::/96]
CLAT>
CLAT-Side XLATE IPv6 Prefix
[2001:db8:aaaa::/96]
PLAT-Side XLATE IPv6 Prefix
[2001:db8:bbbb::/96]
IPv4 SRC
192.168.1.2
IPv4 DST
198.51.100.1
IPv6 SRC
2001:db8:aaaa::192.168.1.2
IPv6 DST
2001:db8:bbbb::198.51.100.1
IPv4 SRC
192.0.2.1
IPv4 DST
198.51.100.1
2001:db8:aaaa::aa
2001:db8:cafe::cafe
IPv6 Native
464XLAT
Stateless
NAT64
[RFC 6145]
Stateful
NAT64
[RFC 6146]
6
IPv6
IPv4
IPv6
IPv4

7. Copyright © 2015 Japan Internet Exchange Co., Ltd.
JPIX Datacenter @ Tokyo
The
Internet
APRICOT-APAN 2015
Conference venue (FICC)@ Fukuoka
Device connected to
WiFi SSID for 464XLAT
IPv6
IPv4 only
Content Server
PLATCLAT
464XLAT network in the venue [Overview]
IPv6/IPv4 Private
IPv4
Global
IPv4
IPv6 IPv4
7
IPv6

8. Copyright © 2015 Japan Internet Exchange Co., Ltd.
464XLAT network in the venue [Inside conference venue]
2001:df9:0:10::/64
192.168.10.0/23
Client
CLAT
(Cisco ASR1002-X)
::1/64
.1/23
2001:df9:0:159::/64
::1/64
Gateway Router
::2/64
The
Internet
GigabitEthernet
GigabitEthernet
GigabitEthernet
GigabitEthernet
Conference venue
(FICC)
IPv4
PrivateClient
IPv6
8

9. Copyright © 2015 Japan Internet Exchange Co., Ltd.
Statistics of 464XLAT network
9
Traffic volume measured at interfaces of CLAT
@Uplink Interface
@Downlink Interface
(as of March 3, 2015)

10. Copyright © 2015 Japan Internet Exchange Co., Ltd.
Statistics of 464XLAT network
10
Number of WiFi associasions of SSID:apricot-xlat
(as of March 3, 2015)
SSID: apricot-xlat

11. Copyright © 2015 Japan Internet Exchange Co., Ltd.
Please try
apricot-xlat SSID 
11
Special thanks Cisco Systems G.K., and AA2015 NOC team!!
Conclusion

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