Download Next Generation Intelligent Optical Networks - From Access by Stamatios Kartalopoulos PDF

By Stamatios Kartalopoulos

This can be the 1st ebook, to the easiest of my wisdom, which bridges disjoint themes, optical networks and community safeguard. It presents a entire remedy of the following iteration optical community and a finished therapy of cryptographic algorithms, the quantum optical community, together with complicated subject matters comparable to teleponation, and the way detection and countermeasure recommendations can be utilized. consequently, we think that this ebook differentiates from many others and provides a holistic method of the remedy of safe optical networks, together with fiber to the house (FTTH) and unfastened area optical (FSO).

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Extra resources for Next Generation Intelligent Optical Networks - From Access to Backbone (Stamatios V. Kartalopoulos, 2008)

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The CLP field consists of 1 bit; 0 = high priority and 1 = low priority. It is set by the user or service provider. Under congestion, the CLP status determines whether cells will be dropped or pass. The HEC field is used for error detection/correction. This code detects and corrects a single error in the header field or it detects multi-errors. It is based on the x 8 + x 2 + x + 1 CRC code. The HEC is also used for cell delineation. The remainder of the polynomial is EX-ORed with the fixed pattern “01010101”, and this is placed in the HEC field.

This service is intended for non-real-time applications, such as file transfer protocol (FTP), electronic mail, and low cost transmission control protocol/Internet protocol (TCP/IP) with non-real-time requirements. ATM cells are transported over an ATM data network that consists of switching nodes capable of switching ATM cells and of edge nodes that provide the policing function, a function that verifies that the service level agreement is met by both the client and the service provider, and flow control throughout the ATM network that locates traffic congestion areas and provides mechanisms to avoid them or guarantee delivery of high-priority traffic.

5 nm. 2 nm The reasons for transmitting over four coarsely spaced wavelengths are the following: • Inexpensive lasers that are directly modulated and without cooling. • No need for dispersion compensation and equalization for lengths of 10 to 40 km at such low bit rate. • Polarization effects are negligible. • Optical devices have lower cost and lower maintenance. Based on this, the 10GbE MAC layer instead of producing a single serial data stream (like the GbE) maps on four parallel lanes the byte-organized data in a round-robin manner.

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