A Study WITHIN THE Sky X Devices

In today's worlds Connectivity is the most important thing. Irrespective of where ever we could we need to keep ourselves linked with the entire world to keep ourselves kept up to date. The world all around us is changing at a rapid speed so if we don't match it we'd be left out. Among the prime way where we do that is internet. But there are places where Internet is not available. You can find few places where credited to terrestrial location or other reasons the internet availableness is not possible or it's prohibited.

In the modern world we feel like sharing whatever we can on the network, we talk about a whole lot of data on the network. We keep uploading the Videos on Youtube. We keep on adding our picture on the networking websites. Day by day our dependence on the bandwidth is increasing as our need to share and upload the info keeps on increasing.

Here comes an option for this also it's the communication using the satellites. The Geo-stationary satellite tv orbiting at an altitude of 36, 000 kms can be utilized for this. Satellites may be used to take our data traffic plus they could be utilized to communicate with one another. But the problem with it was that the common TCP protocol in those days did not have sufficient of technology improvements to overcome the drawbacks of satellite tv communication as compared to its advantages.

So the "SKY-x technology "was presented, it provided a secure and fast way to transfer data through satellite. It was totally translucent to the users. Instead of tcp process it used a new XTP standard protocol (Xpress Transport Protocol). This new Standard protocol is optimize for the info transfer over Satellite.

Problem with TCP:

The data transfer using satellite tv is facing various issues like large latency rate and high Bit problem rate with the Asymmetric design of the bandwidth of most satellite. Satellite tv is among the best options in the forthcoming days to converse and transfer data. But there did not exist proper benchmarks or Process for the copy of the data. The presently used TCP Process was not optimized for the transfer of data over Satellite tv, due to that your High bandwidth provided by the Dish mostly moves unused. This also reduces the throughput of the satellite tv transmission. So we were not able to completely make use of the benefits provided by the Satellite television transmission.

Where as the Satellite transmission was more susceptible to bit error brought on due to the environmental changes. The TCP Protocol was designed in order to give powerful and large throughput over local area network. TCP protocol experienced various feature for LPV6 that have been specialised for the Optical fibre network. So network installation of Optical wires and using the TCP process were a lot more reliable and cheaper than transmission using TCP standard protocol over satellite. All the benefits which can be incurred above the cable connection network by TCP Protocol are lost on the satellite television transmission.

TCP experienced a congestion avoidance algorithm/device that have been not suited for satellite transmitting because satellite transmission had a long circular trip. This long circular trip was misinterpreted by the TCP as congestion and hence it reduces the transmission rate. This led to the wastage of the bandwidth provided by the Satellite transmission. Hence the Congestion avoidance algorithm employed by the TCP is also a major problem in the Dish transmission.

The WINDOW SIZE Problem:

The TCP protocol utilizes a slipping window mechanism to limit the quantity of data to be transfer on the network. When the home window become full, the sender ceases sending the data ever again until it obtains the acknowledgment indication from the recevier. As the back channel velocity is less on satellite television using tcp protocol its very hard to copy data on satellite tv, In like manner avoid this TCP statically fix the size of window to 100 kb over the T1 satellite tv, which limits the total amount of bandwidth which we can use as compared to total provided by the satellite. Moreover many of the operating system uses a window size of 8 Kb which only provides us with a swiftness of 128 kbps per connection, which is very less as compared to bandwidth available over satellite television. Thus window sizing mechanics reduces the copy of the info over the Satellite tv.

While the SK-x technology dosage not use a fix screen size of 8 Kb it uses the performance increased size of the home window thus allowing us to totally utilize the bandwidth provided by the Satellite tv & for the data that can be compressed SKY-x technology provides a much better throughput rate than the simple cable television network. Thus the SKY-x technology is much better than the TCP Process for the transfer of data in the satellite.

SKY- x Technology:

The SKY-x technology originated by one of the worlds market leaders in TCP/IP Protocol developer Mentat. The SKY-x technology Products replace the TCP standard protocol product to copy data over Satellite television. THE PRODUCTS are translucent to Users they behave the same manner as the TCP Protocol product and they provide more security and Less Latency time while giving high throughput over satellite. It consists of SKY-x Gateway, SKY-x Client/Server, SKY-x OEM Products. The SKY-x gateway works just as as the TCP Gateway except that the Sky-x gateway intercepts the TCP sign and really helps to convert it to the SKY-x process so that it can be used to transfer in the satellite. The SKY-x consumer are the same except that they have to be installed on the pc's of the local user to help them to connect using dish.

The SKY-x technology & Standard protocol replaces the TCP Standard protocol applied to Optical Fibers for the utilization on the satellite. Adding the SKY-x products into the network helps the user to successfully use the full bandwidth provided by the satellite tv. The SKY-x products enhances the performance of the network transparently devoid of having to change any thing over the client part or the server area. The SKY-x product increases the overall performance by thrice, while increases the files transfer by 10 to 100 times on the satellite. This product are enhanced version of the in any other case known TCP Performance improving (TCP\PEP) Or the Satellite television spoofer.

The XTP standard protocol used was developed by the XTP forum a non revenue corporation. The SKY-x products divide the standard TCP connection into three different components:

1. The connection between the TCP consumer and the SKY-x gateway on the distant aspect of the network.

2. The Connection between two SKY-x gateway relating XTP standard protocol for the transfer of the data over the Dish.

3. The Connection between the SKY-x Gateway and the TCP server on the other side of the network.

Unicast versus Multicast:

The fibre optic network used the unicast data copy to send the data to all the clients it used to send the same backup of data to all the clients which a lttle bit time consuming and squander a lot of bandwidth of the network. While the Unicast had not been best for the satellite network. But the only multicast process available was UDP based. This UDP structured protocol didn't involve any solution to detect the mistake in data transfer and to check the re-transmission of the data on the network. It even does not provide any mechanism to re-sequences the info packets sent within the network.

This problem was get over by the SKY-x multicast. It offers a reliable and secure way to multicast the info over the satellite tv. It provides fast effective, reliable multicast record transfer. Any data that is lost or corrupted through the transmission is re-transmitted, providing transfer reliability & making the special FEC software as a unneeded thing. The SKY-x multicast supporter out is an important part of the SKY-x Gateway. It transparently turns the TCP unicast data to the SKY-x multicast data. The SKY-x gateway can transfer the data file to every remote control location with just one single multicast. As the SKY-x multicast is transparent to the user any device can transfer the info using the Multicast no subject whatever operating system it includes without needing any special software.

Below is a graph demonstrating assessment between Unicast traffic and Multicast traffic:

As shown in the graph Unicast transmission escalates the traffic of the network considerably, whereas using multicast for the same no of users the traffic is 1\8th of the Unicast transmitting. Thus the SKY-x technology also reduces the traffic within the high bandwidth Satellite tv Network.

Thus SKY-x technology has overcome each and every Restriction of the TCP process & hence providing us with an efficient way to connect using the Dish.

SPEED - TCP versus SKY-x:

The new technology found in the Sky-x products escalates the performance as well as the quickness of the network. The SKY-x products use an easy start feature which enables it to establish new connection at a very fast acceleration. The HTTP Standard by the WEB Stone shows that for an 8 Mbps brand having 50 simultaneous contacts using a SKY-x gateway comes with an average response time of 0. 7 to 1 1. 1 sec which is much lowered as compared to the 3 sec time over a network using TCP standard protocol.

Increased Throughput:

The Sky-x Technology provides a high bandwidth even at a high bit mistake rate. It does so by compressing the data transmitted on the network. To get a 10 Mbps satellite tv the TCP protocol is able to provide a tiny bandwidth of just one 1. 5 Mbps while at one rate of 1* 10-5 its bandwidth drops to only 0. 03 Mbps. While on the other side even at all these problem rate the SKY-x products keeps a bandwidth of 5. 8 Mbps when the info is not compressible, if the data is compressible it keeps a bandwidth of 15. 1 Mbps.

THE SKY-x Structures:

The SKY-x products or network have a SKY-x Gateway installed in to the system. This gateway provided by the SKY-x really helps to make the network transparent to the user, it transparently intercepts the TCP protocol transmitted by the user and convert it in to the XTP (Xpress Transportation Standard protocol) which is optimized for the Satellite television transmission. Then on the other hand it converts back again the XTP standard protocol into the TCP process for the Server. So the customer and the Server side in the Network stay unaware to all this translation. It needs no special change to be produced for your client or the Server in the Network, so all the applications & this program which were used previously keeps functioning on this network also.

The XTP protocol also facilitates the TCP congestion avoidance algorithm to keep the terrestrial network stable and protected. The two Sky-x Gateway go away the data between each other as if there doesn't is available any intermediate website link between consumer and the server.

XTP protocol also offers a features called as Web pre-fetching. THE NET Pre-fetch can be used to fetch all the embedded things in a website whenever a client sends a obtain a good simple html webpage. Then these embedded objects are made noticeable to the client as and when it is requested by the client thus avoiding the fetch time required for fetching it from the satellite television.

Thus the XTP process not only provides the security & balance on the satellite television network but it also considerably increases the velocity of data copy utilizing the Web Pre-fetch.

XTP also provides an Accelerator which helps in accelerating the network traffic. It accelerates the XML and HTTP sessions, repository synchronization as well as the copy of the file Large or small between the customer and the Server. Thus it helps in providing an improved response time and throughput of the network. It also helps in speeding up the Database backups. It decreases the re-transmission of data required anticipated to problem in it or because of the lack of data. Thus it also helps in the utilization of Dish as a communication medium.

SKY-x Products:

Mentat was the first company to create a product having the sky-x technology. Mentat is leader in developing the products predicated on the TCP/IP protocol. Renowned Companies like Apple, IBM, Motorola, and Sony rely upon the TCP/IP network software provided by Mentat. It launched various product named

Mentat SKY-x XR10 Gateway.

Mentat SKY-x XH45 Gateway.

Mentat SKY-x XH155 Gateway.

These products built by Mentat experienced the in built Accelerator to speed up the network traffic.

The XR10 was created to be utilized for the satellite tv which provides a web link of 10 Mbps. Or it could also be used in combo with the other Mentat products like the XH45 which facilitates higher bandwidth links.

The XH45 is designed for the dish providing the link of 45 Mbps or it can also be used as a hub in a network having XR10 products.

In the Same manner Mentat also provides the SKY-x servers as SS10 & SS45.

The SKY-x SS10 server is utilized in the network having 10 Mbps links.

While the SKY-x SS45 server can be used in the network getting the 45 Mbps links.

Packeteer Mobiliti Technology:

Packeteer is the Global Leader in Wan Request Optimization. NOWADAYS the users should be able to work from wherever there business requirements. Alternatively the Companies should also provide their workers with the center like LAN no matter wherever they are or they would be at a risk to lose many chances to handle their business successfully. Packeteer came forward with a solution to this by integrating the SKY-x technology into its Freedom software. Therefore the user can gain access to the LAN from the remote control location using there Desktops and Notebooks.

This Mobiliti software helps TCP file transfer & automatic back-up. It cache's or helps you to save the recently used record on your client side so as that the user can access them whenever needed even if the server is unavailable. This software comes in various languages like German, France, Chinese and Japanese. It also automatically configures the my report folder & also provides and option to find the location to store the lately used data file by the user.


Thus the new SKY-x technology is preferable to the TCP Process for Satellite transmission. The Sky-x Technology provides a huge bandwidth as well as a fast data copy on the satellite network. It includes removed all the restrictions which existed in the use of TCP for satellite transmission. Thus the SKY-x technology has exposed a fresh horizon in the way we used to communicate with one another. Now we may use the Satellite as the medium of communication and continue to be connected with one another even at most distant places on the planet earth.

And this new SKY-x Technology also comes as a savior to us for our daily increasing bandwidth requirements. It offers a big bandwidth to transfer data on the network. Thus now we can hook up to more places and also discuss more Data on the network.

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