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VSAT Satellite Solutions

>> VSAT - Medium, Enterprise, Internet Cafe, Hot Spot and ISP

>> VSAT - Dedicated SCPC Backbone Connectivity

Service:	D-Star
Technology:	MF-TDMA
Satellites:	Eutelsat W3A Eutelsat W6 NewSkies NSS-6
Coverage:	Europe, CIS, Middle East, Africa and Asia

Satellite Internet Access for Home & Small Office

DVB/RCS and similar systems from companies like ViaSat LinkStar, Shiron, Tachyon, Vipersat and others. These systems are an improvement over the Hughes/Gilat stuff, but they have done little to improve the uplink technology. Jitter continues to be a big problem for these products. They do not support voice well; they take up to 10 seconds to allocate CIR bandwidth (when they support it), pings are longer and more inconsistent, etc. The hardware prices are usually pretty good, and most services are subscribed and marketed to SOHO (small office/home office) and SME (small medium enterprise) customers. Because of this many of the network operators who sell these services tend to oversubscribe their networks too much, which creates poor performance. While some systems support basic QoS, few network operators support it. The business model is designed so that you can only make money with large highly subscribed networks. However, DVB/RCS is still the best system on the market for home and small office/Internet cafe access where VoIP/VTC is not required.

DVB/RCS class of stations is priced similarly to the traditional TDMA systems, approximately 1500 Euro for the standard system.

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Service:	iDirect, PEP-iDirect
Technology:	Deterministic TDMA
Satellites:	Loral Skynet Telstar-10 Loral Skynet Telstar-12 NewSkies NSS-7 NewSkies NSS-8
Coverage:	Americas, Europe, CIS, Middle East, Africa and Asia

Satellite Internet for Enterprise, Internet Cafe, Hot Spot, Wi-Fi/WiMAX ISP and advanced applications

iDirect services offer a unique combination of burstable and dedicated bandwidth when it is required by today applications with Voice, Data and Video: corporate networks, distance learning, disaster recovery, e-Commerce, ISP and Internet Cafe business, military and mission-critical applications.

Backened up by BusinessCom SLA, our iDirect-enabled services offer unprecedented guaranteed quality of service with more than 98.2% annual network uptime. Service packages start at 512 Kbit/s Rx and 64 Kbit/s TX and go up to 6 Mbit/s RX and 1 Mbit/s TX with flexible BIR to CIR ratios and individual QoS setup per each site.

In 2007, BusinessCom has added iDirect service coverage on Pan American beam of Loral Skynet Telstar-12 satellite providing coverage to Latin countries such as Brazil, Argentina, and Chile.

This is the first system that was designed from the ground up to support IP in a WAN environment. The real differentiator is that they use router technology, rather than modem technology. While some of the other Hughes, Gilat, DVB/RCS, etc. guys will have some rudimentary routing capability on their VSAT terminals, the fact is that they are based on modem technology. They don't have the concept of router queues, so the only way they know to ask for more bandwidth is when they've already started to drop packets on the floor because their buffers have overflowed. This is highly inefficient. The iDirect solution uses router technology, and let's face it, when you think of IP and the Internet, you think of Cisco routers. You have to have router technology to offer good service for IP in a WAN environment.

To learn more please visit: http://www.bcsatellite.net/eng_dtdma.html

iDirect station price is approximately 2100 - 8000 Euro.

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Dedicated Backbone Connectivity

Service:	Simplex/Duplex Backbone Connectivity
Technology:	SCPC, DVB (S1 and S2) and Frame Relay over Satellite
Satellites:	Global Coverage
Coverage:	Global Coverage

DVB/SCPC - uses shared bandwidth on the download and SCPC on the upload. This isn't a bad solution, but it can be significantly more expensive than a shared service. It’s inefficient for a network operator to deploy a lot of small upload SCPC carriers since each requires guard band –which is wasted bandwidth. This solution generally requires a mishmash of equipment: DVB receivers plus an SCPC modem, with Cisco router, Mentat TCP Acceleration, and if you want any QoS you have to add a Sitara or Packeteer or Allot box. Because the download DVB is a shared signal, jitter tends to be high. Delivering good VoIP quality can be a challenge and much depends on the expertise and capabilities of the network operator. DVB/SCPC stations price is varying, depending on the particular configuration of antenna and BUC. Usually it is within 5000-11000 Euro range for the mid-level station suitable for up to 1 Mbit/s uplink.

SCPC/SCPC - this is 100% dedicated bandwidth in both directions, and if you have an application that is almost 100% voice and you have 20, 30, 50 or more voice lines, then this is the way to go. It's quite expensive because it's completely dedicated, unshared bandwidth, but sometimes that's what's needed. SCPC station pricing depends on many factors. We will provide options that allow you to compare larger hardware with lower service costs and vice versa.

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