The Internet Service Providers’ Association of SA (ISPA) today (16 November) said that it has created infrastructure in the form of its Cape Town and Johannesburg Internet Exchanges (CINX and JINX) to help local consumers enjoy better performance from the Internet at a more affordable cost.
ISPA has run JINX since 1996 and the Cape Town Internet Exchange (CINX) since 2009. The organisation is currently selecting the company that will host the Durban Internet Exchange, DINX.
The organization says that this infrastructure has a positive impact on the consumer’s Internet experience, although most South African Internet users are unaware of its existence.
Said Marc Furman, co-chair at ISPA: “The ISPA INXs have provided massive benefit to service providers, network operators and consumers over the years. They keep Internet traffic within the country, which results in faster response times between ISPs and reduces the congestion on international links.
“By connecting to these exchanges, network operators are also able to keep their costs down, which in turn enables them to provide their services to end-users at a lower cost. The growth we have experienced over the years across these exchange points has been staggering.”
One principle that ISPA has embraced since 2009 is that the exchanges should be open for non-members as well as members to streamline the exchange of traffic to the benefit of the entire industry. As such, even incumbent network operators are allowed to peer using the INX infrastructure.
The exchanges also give members the freedom in choosing who they peer with and how they do so.
Although ISPA operates high speed switches at each exchange, INX users are not obliged to connect using the public switch fabric. They may run private links between their equipment at the exchange instead of using the ISPA switch.
“We take a hands-off approach to how ISPs and operators exchange traffic at each exchange. Most participants peer freely with everyone else connected to that INX but they are not obliged to do so. Some of the participants choose to only exchange traffic with a limited number of other parties,” said Furman.
Furman noted that the INX infrastructures in Johannesburg and Cape Town have enjoyed runaway growth in the past few years.
More than 30 ISPs now connect to JINX and exchange more than 2.5 Gbps of traffic at JINX during peak times.
CINX today handles more than 500 Mbps of traffic from 16 peering ISPs during peak times.
“With a sharp rise in mobile data usage and rapid growth in voice-over-IP traffic, traffic volumes at the exchanges will continue to grow sharply in the months to come,” ISPA concluded.
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