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Hong Kong Internet Exchange (HKIX). http://www.hkix.net. Hong Kong Internet eXchange. What is HKIX ? The Evolution of HKIX Present Situation – HKIX2. What is HKIX?. HKIX is the major Internet traffic Exchange Point in HK At HKIX inter-ISP traffic can be exchanged

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hong kong internet exchange
Hong Kong Internet eXchange
  • What is HKIX ?
  • The Evolution of HKIX
  • Present Situation – HKIX2
what is hkix
What is HKIX?
  • HKIX is the major Internet traffic Exchange Point in HK
  • At HKIX inter-ISP traffic can be exchanged
  • The concept is similar to the NAP in US
    • MAE-West California operated by WCOM
    • MAE-East Wash. DC operated by WCOM
    • Chicago NAP operated by Ameritech
    • New York NAP operated by Sprint
without local internet exchanges
Without Local Internet Exchanges

Global Internet

HK ISP-B

HK ISP-A

Downstream Customers

Downstream Customers

slide5

The Role of Hong Kong Internet Exchange

Global Internet

HK ISP-B

HK ISP-A

HKIX

Downstream Customers

Downstream Customers

similar internet exchange set up
Similar Internet Exchange Set-up
  • USA – Major NAPs
      • MAE-West California, MAE-East Wash. DC operated by WCOM
      • Chicago NAP operated by Ameritech
      • New York NAP operated by Sprint
      • Nap of the Americas – operated by Terremark
  • China - TerreNAP (Beijing), ShangHai IX (SHIX)
  • UK - MaNAP, LINX, LoNAP, ScotIX…
  • Japan - JPIX, Media Exchange (TTNet), NSPIXP, NSPIX2, NSPIX3
  • Korea - KINX, KIX, KTIX
  • Taiwan - TWIX
  • Singapore - SingTel IX
  • HKSAR – HKIX, ReachIX, Pilhana
benefit of hkix
Benefit of HKIX
  • Internet is still pretty much US-centric, though intra-regional connections or backbones are being set up in Asia Pacific.
  • Setting up local Internet exchanges for intra-country or intra-city traffic is very important for faster and healthier Internet development within that country or city.
  • It also reduces the loading to the Internet cores.
  • HKIX is a short cut mainly for routing of intra-Hongkong traffic providing faster and less expensive paths to local sites in its early stage.
  • Currently, there is a trend for Large ISPs to use HKIX to exchange Intra-AP Internet traffic.
hkix exchange of intra ap traffic
HKIX: Exchange of Intra-AP Traffic
  • Intra-AP backbones / connections being established by many global / regional service providers
  • Intra-AP circuits are expensive. To maximize their return on investment for their links to HK, they can allow their clients in other AP countries to communicate with HKIX participants via HKIX. Further on, intra-AP traffic can be exchanged via HKIX.
  • Digital Island, AT&T GNS, PSINet, Equant, PCCW & UUNET are doing this for their customers or partners overseas.
  • HKIX as Asia hub?
slide9

Intra-AP Internet Traffic Via HKIX

Nov 00

©

ITSC, The Chinese University of Hong Kong

ISP

in JP

IPL

IPL

ISP A

in HK

IPL

Global Internet

High Speed Local Link

HKIX

IPL

High Speed Local Link

ISP B

in HK

evolution of hkix part i
Evolution of HKIX - part I
  • Sep 91: CUHK set up a 64Kbps Internet link to US
  • Early 92: Other Universities joined
  • Jul 92: JUCC/HARNET took up the management
  • Late 92: HARNET T1-Ring Backbone was set up
  • Sep 93: HARNET-US link upgraded to 128Kbps
  • Late 93: 2 commercial ISPs (HK Supernet and HKIGS) were set up with their own 64Kbps links to US.

HK Supernet connected to HARNET via UST; No local connections between HKIGS and HARNET/HK Supernet

evolution of hkix part ii
Evolution of HKIX - part II
  • Sep 94: HKIGS together with its downstreams connected to HARNET via CUHK using a T1 link; Still no local connections between HKIGS and HK Supernet
  • Early 95: More ISPs were set up. CSC/ITSU of CUHK saw the needs of setting up a local exchange point and started negotiating with individual ISPs.
  • April 95: ISPs started to connect to CUHK and HKIX was established.
  • Early 97: Started to provide ATM services to ISPs
  • Early 03: Hosting root-level Domain Name Server for APNIC
  • Early 04: Start supporting IPV6 and 10GbE for traffic exchange
  • Late 04: Established a secondary site of HKIX (i.e. called HKIX2)
  • Present: 92 ISPs connected to HKIX (76 licensed members)
technical aspects of hkix part i
Technical Aspects of HKIX- part I
  • Provide space (shared racks), electricity, air-conditioning, core equipment and manpower for coordination and operations
  • Very much like a Facility Management Center but provide space for routers only
  • Just an Ethernet segment interconnecting routers of participants initially; Upgraded to an Ethernet switch in Dec 95
  • Use Border Gateway Protocol 4 (BGP4) for distributing routing information
  • A Cisco router is used as a route server / reflector for simplicity of peering
  • Routing information distribution controlled by IP network prefix or Origin AS access lists in the route server
technical aspects of hkix part ii
Technical Aspects of HKIX- part II
  • HKIX does not provide Internet connectivity
  • Mandatory Multi-Lateral Peering Agreement (MLPA) for routes within Hong Kong for greatest possible benefits to all
  • ITSC manages the route server for MLPA.
  • Minimum connection speed to HKIX is T1 (1.5Mbps) starting from July 96
slide14

Schematic Diagram of HKIX (Phase I)

© ITSC, The Chinese University of Hong Kong

Apr. 95

Internet

Overseas

Hong Kong

ISP A

ISP D

ISP C

ISP B

T1/E1

T1/E1

T1/E1

T1/E1

Route

Server

Router

Router

Router

Router

CUHK

10M

10M

10M

10M

10M

Ethernet Hub

slide15

©

ITSC, The Chinese University of Hong Kong

Schematic Diagram of HKIX (Phase II)

Jun 96

Internet

Overseas

Hong Kong

ISP D

ISP B

ISP C

ISP A

T1/E1

T1/E1

T1/E1

T3

Route

Server

Router

Router

Router

Router

10Mbps

CUHK

10Mbps

10Mbps

100Mbps

10Mbps

Ethernet Switch

slide16

Schematic Diagram of HKIX (Phase III)

Jan 97

HKT

Public

ATM

Network

©

ITSC, The Chinese University of Hong Kong

Internet

Overseas

Hong Kong

ISP D

ISP B

ISP C

ISP A

Router

T3

T1/E1

T1/E1

Route

Server

Router

Router

Router

155Mbps

ATM

10Mbps

100Mbps

CUHK

10Mbps

155Mbps

ATM

HKIX

HKT

ATM

155Mbps

ATM

HKIX

hkix infrastructure phase v

HKIX Infrastructure (Phase V)

Internet

Internet

Internet

ISP 2

ISP 3

ISP 1

HKIX - AS4635

HKIX2

HKIX1

2 x 10Gbps links

ISP 5

ISP 6

ISP 4

Internet

Internet

Internet

hkix policies for participants
HKIX Policies for Participants
  • Internet Service Providers with proper licenses (SBO/PNETS)
  • Have global Internet connectivity independent of HKIX facilities
  • Use BGP4 to exchange routing information
  • Have globally-unique autonomous system (AS) number
  • Have IP address block of at least /24 (class C equivalent)
  • T1 or above for connecting to HKIX
  • Provide necessary router and circuit
  • Allow Bilateral Peering/Transit Agreements
  • Allow offering of transit services over HKIX
hkix connections supported
HKIX: Connections Supported
  • Coaxial segment changed to Ethernet switch in Dec 95
  • Dedicated Ethernet switch port for each participant now (10/100/1000BaseT and 10GE)
  • Support E / FE / GE / 10GE direct connections without co-located routers
  • For Non-Ethernet connections such as ATM-PVC, dedicated ATM circuit, T1, E1,T3, STM-1 etc. co-located router are needed
hkix some updates
HKIX: Some Updates
  • >90 HKIX participants now
    • 76 licensed members
    • 16 non-licensed members
  • >25,000 prefixes announced by HKIX MLPA route server
  • Peak 5-min average traffic : ~62Gbps
  • 14 x 10GE, 113 x GE, 39 x FE, 4 x 10M connections
  • Most connected to the HKIX without co-located routers
  • All major broadband providers in HK are connected

e.g. HGC, HKBN, i-Cable, PCCW Netvigator ….

hkix switching traffic trend
HKIX: Switching Traffic Trend

Daily Graph (5 Minute Average)

Yearly Graph (1 Day Average)

hkix services
HKIX Services
  • Current Services
    • News exchange
    • Stratum 1 Time Server
    • Multiple carriers: 8 FTNS providers have fibers to the site of HKIX
    • HKIX Looking Glass
    • IPv6 Address Assignment and Routing
  • Planned Services
    • More 10GE ports
    • Link aggregation with port security
    • Filter updates from routing registry
    • BGP community for traffic control
ipv6 support at hkix
IPv6 Support at HKIX
  • Native IPv6 Peering Service
  • IPv6 Addresses Assignment – for peering only
  • Looking Glass
  • BGP Route Server
  • Extending Current IPv4 Services to IPv6
success of hkix
Success of HKIX
  • Neutral
  • Not for Profit (free of charge)
  • Low set-up cost and simple configuration
  • Mandatory multi-Lateral Peering Agreement (MLPA)
  • No settlement for routing of local traffic
  • Non-discriminatory operating on equal basis
  • Highly efficient network infrastructure required by ISPs
  • Dedication and enthusiasm of ITSC staff