Review of service mesh 2019:
In 2019 the common themes for service mesh were:
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more service-mesh distributions! everyone in the API/software networking space is coming up with their own distributions of service mesh. I think this is natrually a good thing for the market as it shows there is some value to be provided here and that different approaches should be explored. this will also lead us to a point of convergence soon in the future.
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more organizations are POCing service mesh (up from just having architectural discussions from previous year)
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usability is key! mesh technology like linkerd has shown how a mesh can be simpler to use and operate, with other mesh technologies taking note and improving their usability