PRESENTATION ON Sky X TECH. SUBMETTED TO:SUBMETTED BY:- INTRODUCTION Sky X is a new techology which overcome some restriction in the networks. Satellites are ideal for providing internet and private network
access over long distance and to remote locations. However the internet protocols are not optimized for satellite conditions and consequently the throughput over the satellite networks is restricted to only a fraction of available bandwidth. We can over come these restrictions by using the Sky X protocol. Adding the Sky X system to a satellite network allows users to take full advantage of the available
bandwidth. The Sky X Gateway transparently enhances the performance of all users on a satellite network without any modifications to the end clients and servers. The Sky X Client and the Sky X Server enhance the performance of data transmissions over satellites directly to end user PC's, thereby increasing Web performance by 3 times or more and file transfer speeds by 10 to 100 times.
Sky X technology Sky X products increase the performance of IP over satellite through a combination of protocol connectionsplitting, data compression, and Web pre-fetching, while remaining entirely transparent to end users. The Sky X gateway works by transparently replacing TCP connections from the client and converting the data to Xpress Transport protocol (XTP) for the hop over the satellite link which is the protocol optimized
for satellite conditions The Sky X gateway works by intercepting the TCP connection from the client and converting the data to the Xpress Transport Protocol (XTP) for transmission over the satellite. The Sky X gateway on the opposite side of the satellite link translates the data back to TCP for communication with the server. This architecture offers vastly improved
performance while remaining entirely transparent to the end user and fully compactable with the internet infrastructure. No changes are required to the client or server and all applications continue to function without modification. The two Sky X gateways pass control data between each other, allowing the Sky X gateway on the opposite side of the satellite to appear to
be the original source or destination device. This architecture maintains full TCP reliability and end-to-end flow control. The Sky X system delivers the Web objects to the Sky X gateway on the client side of the satellite link where they can be served locally when requested by the browser, avoiding the satellite delay. The Sky X gateway XR10, XH45, and
XH155 are available as ready-to-install hardware solutions which can be added to any satellite network. The Sky X Client software installs directly on the PCs of end-users and works in conjunction with a Sky X Server SS10 or SS45 hardware unit located at the network hub.
The Sky X gateway can also be used in multilink configurations where a single Sky X gateway hub unit enhances the performance of multiple separate outbound links from a single uplink facility. The Sky X Client / Server product operates similarly to the Sky X gateway except the Sky X Client software is installed directly onto the
client PC. Sky X Client/Server The Sky X Client / Server increases the throughput and efficiency of network access over satellites by transparently replacing TCP with the Xpress Transport Protocol (XTP) for the satellite segment of the connection. The sky X client/server system enhances the
performance of the internet and private network access over satellite links. The sky X client software installed on the PCs of the end user, works in conjunction with a sky X server hardware unit located at the network hub. The Sky X client/server system overcomes the
deficiencies of TCP/IP in satellite based networks while remaining entirely transparent to end-user applications. The sky X client is ideal for use with any satellite receiver card or set top box Sky X Client / Sky X Server Operation The Sky X Client, installed on Microsoft
Windows-based computers, transparently intercepts TCP connections from applications running on the PC and transmits the data over the satellite link using XTP. The Sky X Server, installed at the hub of the satellite network, establishes a new TCP connection for communication with any
device on the local network or over the Internet. The Sky X Server is available in two models namely the SS10 and SS45. The SS10 provides Sky X enhancement for links of up to 10 Mbps while the SS45 provides Sky X enhancement for links of up
to 45 Mbps. The SkyX Gateway intercepts TCP connections from the sender and converts the data to the SkyX Protocol for transmission over the satellite. The SkyX Gateway on the opposite side of the satellite link translates the data back to TCP for communication with the receivers.
Advantages 1. Increased Performance:The SkyX Gateway increases the throughput rate by 3 times or more for Web traffic and up to 10 to 100 times for file downloads. 2. Reduced FEC Usage:The SkyX Gateway offers high levels of performance even at bit error rates that reduce TCP performance to near zero. Improved response to bit errors reduces the effects of rain fade and lowers the level of forward error correction encoding required, thereby gaining additional usable bandwidth from a given link.
Important Features:1.Easy Installation:The XH45 includes two 10/100baseT Ethernet ports for easy installation into any standard TCP/IP network. 2. High Performance:The SkyX Gateway enhances the performance of Internet, intranet, extranet, private network, or any other TCP/IP connections over satellite links. 4.45 Mbps Capacity:-
The XH45 is designed for satellite links of up to 45 Mbps. The XH45 can also be used in combination with multiple XR10 units as the hub configuration. Data Compression:In addition to protocol enhancement to overcome TCP's limitations, depending on data rates and traffic patterns, the SkyX Gateway can offer compression ratios of up to 4:1, extending the value of your satellite bandwidth.
Web-Based Monitoring Console:- Performance of the XH45 can be monitored through a Web-based console, accessible from any browser. THANK YOU
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