Cloudmark tackles IPv6

By , Network World |  Unified Communications, Cloudmark, IPv6

Cloudmark is among the first messaging vendors to tackle the vexing issues related to integrating large-scale e-mail services with the next-generation Internet Protocol called IPv6

Cloudmark offers several IPv6-related features in its e-mail security suite for carriers, government agencies and large multinationals. The suite includes: Cloudmark Gateway, a mail transfer agent; Cloudmark Authority, a message filtering system; and Cloudmark Sender Intelligence, an anti-spam system that uses real-time data from the Cloudmark Global Threat Network to create profiles of good, bad and suspect senders.

The Cloudmark Gateway allows network operators in native IPv6 or dual-stack IPv4 and IPv6 environments to transit messages through the messaging server and out to the Internet, which overwhelmingly runs IPv4, the original version of the Internet Protocol.

Cloudmark also is developing new techniques that will allow carriers to track e-mail sender reputation in IPv6. These include the ability to track messages by IPv6 network address prefix, instead of individual IP address, which will make it easier to identify spammers in IPv6 environments.

Among Cloudmark's customers is Comcast, which has thousands of IPv6 customers across the United States.

"We have a number of carrier customers in Japan, North America and Europe that are in the process of deploying IPv6," says Kevin San Diego, vice president of product management at Cloudmark. "These folks are starting to look at new customers as IPv6 connected and bringing them through translation and transition technologies to get out to the general Internet. They are interested in being able to accept IPv6 email traffic from network customers over IPv6 and IPv4 today, which allows them continued growth."

MORE: Cloudmark's recommendations for SMTP deployments in IPv6 networks 

Carriers like Comcast are migrating to IPv6 because the Internet is running out of addresses using IPv4. The free pool of unassigned IPv4 addresses expired in February, and in April the Asia Pacific region ran out of all but a few IPv4 addresses being held in reserve for startups. The American Registry for Internet Numbers (ARIN), which doles out IP addresses to network operators in North America, is projtected to deplete its supply of IPv4 addresses within the next 18 months.


Originally published on Network World |  Click here to read the original story.
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