Letea Forest, Danube Delta, Romania (© Wild Wonders of Europe/Widstrand/Nature Picture Library)

Snowdrops in spring (© klagyivik/Getty Images)

Short-beaked echidna, Adelaide Hills, Australia (© Etienne Littlefair/naturepl.com)

Cherry blossoms at Tom McCall Waterfront Park, Portland, Oregon (© Eric Vogt/Tandem Stills + Motion)

Grianan of Aileach ring fort, Donegal, Ireland (© aluxum/Getty Images)

Giant panda eating bamboo, China (© Entwicklungsknecht/Getty Images)

This document provides guidelines for authors and reviewers of specifications containing YANG data models, including IANA-maintained

Pacific Rim National Park Reserve, Vancouver Island, Canada (© EmilyNorton/Getty Images)

This document provides a framework overview for the Deterministic Networking (DetNet) Controller Plane. It discusses concepts and

Lanyon Quoit, a Neolithic dolmen in Cornwall, England (© Helen Hotson/Alamy)