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1. This diagram illustrates a typical SONET network.

2. Once in place on authorized Synchronous Optical Networks (SONET), users will experience significantly less network delay, or latency, common to securing large information files.

3. Ring capacity assignment optimization is very important for planning a SDH/SONET Bidirection Self Healing Ring(BSHR). But at the present, there is no efficient algorithms in the world.

4. Freed from the rigid provisioning required by SONET, carriers can dynamically allocate bandwidth using ATM virtual paths and virtual circuits on a temporary or permanent basis.

5. DTM combines the reliability and guaranteed service of SONET, and the flexibility and traffic-engineering capabilities of ATM, but at a lower cost and with less complexity.

6. The SONET Datacryptors have minimal latency and will allow the network to operate at maximum efficiency while encrypting mission critical applications.

7. The Thales SONET Datacryptor and lower speed Datacryptors will be deployed to secure the JHITS network.

8. The Bellcore GR-253 standard for SONET networks defines the bytes over which a particular parity error is calculated.

9. The encryptor secures large image, data and video files at a full 40 gigabits per second across authorized U.S. military and government Synchronous Optical Networks (SONET) networks.

10. Therefore, a SONET interface can report B2 errors only for a particular monitored segment.

11. DTM is similar to SONET technology in terms of low complexity and overhead, but DTM includes signaling and switching to increase the flexibility and avoid the hierarchical structure of SONET.

12. SONET has long been the medium of choice for delivering services over metropolitan-area networks ( MAN ).

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13. SONET technology in terms of low complexity and overhead, but DTM includes signaling and switching to increase the flexibility and avoid the hierarchical structure of SONET.

14. What companies need is a metropolitan Ethernet architecture with the resiliency of SONET but with significant network efficiencies for packet-based services.

15. Using GR-2837, equipment vendors can map ATM cells into SONET for maximum bandwidth utilization.

16. Or they can install multiservice provisioning platforms, which are optimized for TDM services but also can support advanced data applications via RPR over SONET.

17. For example, it is at this sublayer that the ATM cell switch interfaces with a SONET transmission system.

18. In other words, parity bytes monitor and detect errors over different parts of a SONET frame.

19. As it is important to describe the grooming problems with mathematics, we formulated the grooming problems in SONET/WDM rings as a set of MOINLP equations for the first time.

20. Because RPR is a Layer 2 MAC-based technology, it can operate over multiple physical layers, including SONET.

21. Equipment vendors are saying Ethernet in the wide area may have as little as one-fifth the cost of SONET and one-tenth the cost of ATM.