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OTN and PTN difference

7/12/15  |  Technical Article

It should be said OTN and PTN are two completely different technologies, technically speaking we should say no contact.

OTN optical transport network, from the traditional WDM technology evolved, mainly joined the intelligent optical switching function, data can be configured to implement optical cross without artificially jump fiber. Greatly enhance the flexibility of WDM equipment maintainability and networking. Meanwhile, the new OTN network is gradually to greater bandwidth, larger particles, the evolution of stronger protection.

PTN is a packet transport network, is the product of the transmission network and data network integration. The main agreement is TMPLS, less than the IP layer network devices and more packet overhead. Ring networking and protection can be achieved. It is a carrier-class data network (traditional data network is unable to meet carrier-grade requirements). PTN transmission bandwidth is smaller than the OTN. General PTN largest group path bandwidth 10G, OTN single wave 10G, group road up to 400G-1600G, the latest technology up to a single wave 40G. It is the backbone of the transport network.

Author: FiberOnSale.com

 OTN, WDM, PTN

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