Screen Shot 2019 08 06 At 11 40 55 AmSome service providers have begun their 5G roll outs; others will launch theirs soon. But both must consider the proper strategy to ensure successful deployments. The articles in this edition of Lightwave On Topic: cover the subject from diverse angles, including the importance of time-sensitive networking, the support of network slicing, implementing routing in 5G support networks, and test considerations.