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Wednesday, 09 July 2008 10:47

Next G gets faster, simpler and cheaper to run

Telstra has tested the ability of its Next G network to support data downstream speeds of 21Mbps and announced plans to rationalise the core network with significant operational cost savings. Promises of lower prices for users were not included.

Telstra said that it and network supplier, Ericsson, had conducted a joint trial of enhanced high speed packet access (HSPA) technology in preparation for upgrading Next G to deliver peak downlink speeds of 21Mbps in 2008 and 42Mbps in 2009.

"Enhanced HSPA uses software advancements that will maximise the potential of existing infrastructure ahead of the introduction of Long Term Evolution (LTE)," according to Telstra.

Telstra also said it had "tested blade cluster architecture in a world first which will provide ultra high capacity for up to eight million subscribers using a single, common national core of mobile switching centre (MSC) servers." By 2010 Telstra plans to replace its 18 MSC servers will just four blade clusters in Victoria and New South Wales.

It claims that "Blade Cluster technology reduces the number of nodes by around 75 percent nationwide and that means Telstra will reduce its use of equipment floor space by 85 percent, saving power by more than 60 percent and reducing our carbon footprint.

Ericsson Australia CEO, Bill Zikou said: "By introducing blade cluster and 3G direct tunnel into the mobile core, the network will have the capacity to handle the incredible growth in users and usage that the faster access speeds will drive. Ericsson and Telstra have partnered closely on this programme to further enhance the end user mobile broadband experience."

That's great but nothing would enhance the user experience like a cut in the price of wireless broadband access charges.

Telstra announced recently that it had activated Ericsson 3G direct tunnel technology on its network. The technology routes data traffic around network components that are essential for signalling and for carrying voice traffic and which normally handle data traffic as well but which, in a network with a heavy data load, can impose a bottleneck requiring additional investment to alleviate. So this technology also enables the Next G network to carry more data traffic at lower costs.

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Now’s the Time for 400G Migration

The optical fibre community is anxiously awaiting the benefits that 400G capacity per wavelength will bring to existing and future fibre optic networks.

Nearly every business wants to leverage the latest in digital offerings to remain competitive in their respective markets and to provide support for fast and ever-increasing demands for data capacity. 400G is the answer.

Initial challenges are associated with supporting such project and upgrades to fulfil the promise of higher-capacity transport.

The foundation of optical networking infrastructure includes coherent optical transceivers and digital signal processing (DSP), mux/demux, ROADM, and optical amplifiers, all of which must be able to support 400G capacity.

With today’s proprietary power-hungry and high cost transceivers and DSP, how is migration to 400G networks going to be a viable option?

PacketLight's next-generation standardised solutions may be the answer. Click below to read the full article.


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