{'fraction_non_alphanumeric': 0.022988505747126436, 'fraction_numerical': 0.0, 'mean_word_length': 6.093023255813954, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
WDM deployment in the local exchange network

This article examines the complex issues surrounding deployment of wavelength-division multiplexing technology in the local exchange network. It discusses demand, economics, technology advantages/disadvantages, saleability, operations, interoperability, and optical networking. The emphasis is on economics and manageability. After a review of these issues, the article looks forward to the optical network in a multi-vendor interoperable environment and to the continuing evolution of standards that will expedite the deployment of optical networking technology.