Discover the Principles and Potential of SDH Networks.DUBLIN, Ireland -- Research and Markets (http://www.researchandmarkets.com/reports/c43368) has announced the addition of E-Learning Course: SDH (Synchronous Digital Hierarchy) The European counterpart to SONET. See SONET. SDH - Synchronous Digital Hierarchy Payloads to their offering. "SDH Payloads" describes the payload capabilities of SDH links and the methods of carrying different types of payload over an SDH network. This course covers such topics as virtual containers and the transport of ATM, IP and Ethernet traffic over an SDH network. Course aim: After completing this course a trainee will be able to describe how different types of traffic are transported over an SDH network. The role and significance of Tributary Units is discussed and the methods of carrying plesiochronous, synchronous and asynchronous Refers to events that are not synchronized, or coordinated, in time. The following are considered asynchronous operations. The interval between transmitting A and B is not the same as between B and C. The ability to initiate a transmission at either end. traffic described. The role of the different types of SDH overhead is also explained. Pre-requisites: Understanding of the principles of the SDH and an understanding of the principles of packet switching including ATM and the Internet Protocol (IP); knowledge of the principles and components of an Ethernet LAN (Local Area Network) A communications network that serves users within a confined geographical area. The "clients" are the user's workstations typically running Windows, although Mac and Linux clients are also used. would also be advantageous. It is recommended that SyncNet course B: "Principles of SDH", TransNet course D "ATM principles", and the Ethernet courses A and B ("Ethernet fundamentals" and "Ethernet networks") are studied before attempting this course . A Transmission principles B SDH principles C Optical line systems inc WDM D SDH payloads E SDH networks F SDH network management and maintenance Target audience: - Those studying for a career in telecommunications and who require a detailed knowledge of modern optical broadband transmission networks. - Technical staff involved in the operation, installation or maintenance of SDH-based broadband networks. Course Content: AU payloads: Transporting a 140 Mbit/s signal within a STM-1 frame revision of the concept of virtual containers structure of a VC-4 concept of an Administrative Unit (AU) operation and use of an AU pointer role and operation of byte justification. TU payloads: Mapping 34 Mbit/s signals into an STM-1 frame structure of a VC-3 overview of the concept of Tributary Units (TU) transporting VC-3s within a VC-4 operation and use of TU pointers. TUG payload: Concept of a Tributary Unit Group (TUG) the different types of TUG and their payload capacity description of the use of TU-12s, TUG-2s and TUG-3s to map up to sixty-three 2 Mbit/s signals into a single 155 Mbit/s STM-1 frame transporting groups of CEPT and ANSI (American National Standards Institute, New York, www.ansi.org) A membership organization founded in 1918 that coordinates the development of U.S. voluntary national standards in both the private and public sectors. It is the U.S. member body to ISO and IEC. signals within the same STM-1 frame asynchronous and byte synchronous 2 Mbit/s (VC-12) payloads comparison of the locked and unlocked configurations of byte synchronous operation. Path overhead (POH): Review of the role of Section Overheads (SOH SOH - Start Of Header ) of an STM (Scanning Tunneling Microscope) A microscope that can image down to the atomic level. An STM uses a piezoelectric tube with a tiny sharp tip at the end that is moved within nanometers of the object being sampled. frame role of the Path Overhead (POH) of a Virtual Container (VC) comparison of the roles of Multiplex Section Overhead (MSOH), Regenerator Section Overhead (RSOH) and POH structure of the POH in higher-order and lower-order VCs and function of the individual POH bytes. ATM over SDH: Sharing the bandwidth of an SDH-based optical link with different types of traffic overview of the benefits of the Asynchronous Transfer Mode See ATM. (communications) Asynchronous Transfer Mode - (ATM, or "fast packet") A method for the dynamic allocation of bandwidth using a fixed-size packet (called a cell). See also ATM Forum, Wideband ATM. ATM acronyms. Indiana acronyms. (ATM) basic structure of an ATM cell interfacing ATM switches with SDH multiplex equipment mapping ATM cells into a VC-4 virtual container of an STM-1 frame role of the Transmission Convergence (TC) ATM protocol function of those STM section and path overheads used by ATM equipment. IP over SDH: Overview of the use of ATM virtual circuits to provide a differentiated quality of service for IP traffic transporting IP traffic over an SDH network without the use of ATM functions and operation of the Point to Point Protocol (PPP (Point-to-Point Protocol) The most popular method for transporting IP packets over a serial link between the user and the ISP. Developed in 1994 by the IETF and superseding the SLIP protocol, PPP establishes the session between the user's computer and the ISP using ) mapping PPP frames into a VC-4 STM virtual container comparison of the benefits of the use of ATM and PPP overview of the use of Wavelength Division Multiplexing See WDM. (communications) wavelength division multiplexing - (WDM) Multiplexing several Optical Carrier n signals on a single optical fibre by using different wavelengths (colours) of laser light to carry different signals. (WDM) to transport IP traffic over an optical network. Ethernet over SDH Ethernet Over SDH (EoS) or Ethernet over SONET refers to a set of protocols which allow Ethernet traffic to be carried over synchronous digital hierarchy networks in an efficient and flexible way. : The disadvantages of the use of PPP introduction to the Generic Framing Procedure Generic Framing Procedure (GFP) is defined by ITU-T G.7041. This allows mapping of variable length, higher-layer client signals over a transport network like SDH/SONET. The client signals can be protocol data unit (PDU) oriented (like IP/PPP or Ethernet Media Access Control) or can (GFP) and its use in interconnecting Ethernet Local Area Networks principles and advantages of virtual concatenation role and principles of the Link Capacity Adjustment Scheme Link Capacity Adjustment Scheme or LCAS is a method to dynamically increase or decrease the bandwidth of virtual concatenated containers. The LCAS protocol is specified in ITU-T G.7042. (LCAS) summary and comparison of the various methods of transporting IP traffic over an SDH Network. For more information visit http://www.researchandmarkets.com/reports/c43368 |
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