N-GEN Communications Web-based Seminars ©NGCS

Seminar - An Overview of Communications Technologies

Module 5 - SONET, WDM, DWDM and B-ISDN Technologies                                                             Slide 28 of 76 _________________                                                                                  __________

                                        SONET and ATM Relationship

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ATM provides the switching platform and SONET provides the digital infrastructure and physical transport.

With ATM over SONET allows circuit and packet switched circuits on the same optical fiber.