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Router delivers IPTV for carriers, large enterprises

Posted: 18 Dec 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Juniper Networks Inc.? Ethernet? MX class? Loring Wirbel? ASIC?

LANk">Juniper Networks Inc.'s T-, M- and E-series routers will step aside for the MX class, designed specifically for carriers using Ethernet aggregation for such high-bandwidth traffic as Internet protocol TV. MX960, the first in the family, offers a total bandwidth of 960Gbps and relies on a new dedicated forwarding ASIC, the I-chip.

The system's 16RU size is equivalent to a third of a rack, with a total of 14 slots. Two slots are dedicated to switch control cards, leaving 12 open for line cards. MX960, which can be configured with fully redundant hardware, offers unicast and multicast traffic support, as well as real-time policy control.

The assumption driving the design of both the I-chip and the MX960's control and data plane software is that most broadband carrier traffic would move to Ethernet, but would require the type of high-availability features seen in circuit and ATM networks. Consequently, the MX960 system supports multiprotocol label switching fast-reroute and multihome virtual private LAN services. It has a capacity of 40Gbps per slot.

The I-chip's QoS mechanisms are oriented toward Ethernet class-of-service protocols, but they allow fine-grained traffic management.

Though the MX960 is the first integrated Ethernet switch-router system Juniper has offered for both carriers and large enterprises, the company said it is not positioning it against L3 switch systems from such companies as Extreme Networks and Force10Networks.

- Loring Wirbel
EE Times




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