HOPSKOTCH

Hop.SCIMMA is a production instance of HopSkotch run by SCiMMA for the community.

Is provisioned to support instantaneous load peaks when discovery events occur.
• With base URL of kafka://kafka.scimma.org:9092/.
• Carries LVK public alerts and other public event streams.
• Has a signup portal, here.
• Has a tutorial on using HOPSKOTCH to connect to the SCiMMA hopskotch production instance.
• Supports members of the community applying to publish their own public and private topics
• Is supported via a portal and email.
• Is hosted on the cloud for high availablity
• Maintains an archive of all public messages at archive-api.hop.scimma.org. The REST interface to the archive is documented here

HOPSKOTCH is a scalable, high-throughput low-latency platform for handling real-time data streams for MMA applications, which:

• Provides a cloud-based instance of Kafka data streams to support MMA applications via a publish-subscribe paradigm
• Provides “at least once” delivery semantics
• Allows catchup if a client is unavailable or needs to reprocess recent alerts
• Offers extensive identity and access management controls and fine-grained Kafka topic permission configuration to respect data rights as documented online with the HOPSKOTCH authenticator
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hop-client is a Python library to streamline connecting and authenticating to HOPSKOTCH, which:

• Is available as a command-line tool and Python API, both installable from PyPI or conda-forge
• Offers a customizable application template to allow for easy modification for individual use-cases
• Is documented on Read the Docs