Download e-book for iPad: First mile access networks and enabling technologies by Ashwin Gumaste

By Ashwin Gumaste

ISBN-10: 158705602X

ISBN-13: 9781587056024

First Mile entry Networks and allowing applied sciences presents a platform for showcasing first mile entry applied sciences and linked community strategies. utilizing this e-book, you know about the bandwidth bottleneck in the first mile and discover the ensuing company clients. reap the benefits of an intensive and considerate dialogue of the enterprise case for the 1st mile, which is helping you technique the difficulty from a number of views. research a number of entry applied sciences, comprehend the variety of ideas inside this zone, and take your ideas extra utilizing sound and specific administration ideas. make the most of the forged and established implementation process supplied by means of this ebook to take away networking anomalies, corresponding to the electronic divide. This booklet is helping you recognize and capitalize out there chance awarded through the 1st mile.

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The reason being that, first, it is better to have lower-cost equipment at consumer premises, which means 1310-nm lasers rather than the 1550-nm ones (and therefore a cost savings). Second, by choosing different wavelengths for upstream and downstream communication, we best utilize the same fiber without optical signal collision. • Temperature aspect Most ONUs, and for that matter any first mile customer apparatus, are kept at sites without indoor temperature controls and such. Therefore, the ONUs (and other apparatus, especially for optical components) must be able to operate in a wide range of temperatures without significant performance change.

The ONUs, on the other hand, are connected to end users through multiple methods. In one embodiment, ONUs may be interfaced to the end user through a user network interface (UNI). In another scenario, ONUs may be connected to homes using a wireless solution. Yet another implementation has ONUs connected to homes and small businesses using copper solutions and taking advantage of long-reach Ethernet (LRE) concepts. Figure 2-1. PON Topology As mentioned previously, the structure of the network is that of a tree.

To facilitate ease of communication and create fair-competition interoperability, standards must exist for PON network elements to talk to one another. • Guarantee of basic network features The PON must be able to guarantee the end users some degree of network parameters, which are promised at inception (SLA). Although low-cost networks and simple protocols are generally designed for best-effort service, the quantum leap from traditional broadband to PON represents a sea-change shift in the end-user paradigm, and end users must get the desired services through the PON to justify the cost of deployment.

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First mile access networks and enabling technologies by Ashwin Gumaste


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