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DOCSIS

Korean MSO Bonds With D3's Upstream

11:00 AM -- South Korea's Hyundai Hy Communications & Network Co., Ltd. (HCN) is the latest cable op to take Docsis 3.0-based upstream channel bonding to task.

HCN, a South Korean MSO with about 1.4 million subs in locations such as Seoul, said it will start to offer a bonded upstream service in the fourth quarter using Arris Group Inc. (Nasdaq: ARRS)'s flagship cable modem termination system, the C4.

The operator didn't say how many upstream channels it will bond initially or what kind of upstream speeds it expects to offer (we're asking), but the new tier, used to counter telco broadband services, will come with an eight-channel downstream that will hit speed bursts in excess of 300 Mbit/s.

HCN is among the first operators to deploy Docsis upstream channel bonding, and most of the public deployments are taking place in the Asia/Pacific region. Last year, Japan Cablenet Ltd. and South Korea's SK Broadband also tapped the Arris CMTS for services that bond multiple upstream Docsis channels. (See Japan Cablenet Swims Upstream and Korean MSO Takes Wideband Upstream.)

Comcast Corp. (Nasdaq: CMCSA, CMCSK), the world's largest MSO, has been testing D3 upstream channel bonding in the lab and in the field, but has yet to deploy anything. (See Comcast: Upstream Bonding Tests Yield 'Sustained' 75 Mbit/s .)

— Jeff Baumgartner, Site Editor, Light Reading Cable

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