Cloud Standards
Introduction
Boris Parák, Zdeněk Šustr
CESNET
May 9, 2016
Standards?
De jure and/or de facto standards
Attempts to agree on a communication protocol
Possibility to avoid vendor lock-in for users
Facilitate interoperability between components
Standardization bodies: ISO, IEEE, W3C, IETF, OGF, . . .
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Standards?
https://xkcd.com/927/
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– Virtual Appliances –
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Appliance Formats
Open Virtualization Format (OVF):
DMTF’s standard for appliance packaging (published as ISO 17203)
Enables the authoring of portable virtual systems and the transport
of virtual systems
Supports various disk formats (see below)
Disk Format:
Often specific for the given virtualization platform
Open formats: cow, qcow, qcow2, raw, . . .
Proprietary formats: vmdk, vdi, vhd, . . .
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– Management –
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OCCI
OGF’s Open Cloud Computing Iterface
Boundary-level interoperability and extensibility protocol
Abstract nature, extensions for specific areas of functionality
RESTful API over HTTP (plain or JSON rendering)
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CIMI
DMTF’s Cloud Infrastructure Management Interface
Specifically targeting IaaS cloud APIs
Other areas such as PaaS or SaaS out-of-scope
RESTful API over HTTP (XML or JSON rendering)
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AWS EC2
Amazon’s proprietary Elastic Cloud Compute interface
Considered a de facto standard due to its popularity
Other platforms offering reverse-engineered equivalents
→ sub-sets of features
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– Storage –
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CDMI
SNIA’s Cloud Data Management Interface
API to create, retrieve, update and delete data elements
Oriented towards so-called object storage (not block or fs-based)
Handling data and associated metadata
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AWS S3
Amazon’s proprietary Simple Storage Service interface
Considered a de facto standard due to its popularity
Other platforms offering reverse-engineered equivalents
→ sub-sets of features
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– Service Orchestration –
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TOSCA
OASIS’ Topology and Orchestration Specification for Cloud
Applications
Enhancing the portability of cloud applications and services
Describes service components, component relationships, operational
behavior
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OpenStack HOT
OpenStack’s platform-specific Heat Orchestration Template
Replacing the earlier CloudFormation-compatible format
YAML-formatted resource templates, input parameters and outputs
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AWS CloudFormation
Amazon’s proprietary way to create and manage collections resources
Considered a de facto standard due to its popularity
Other platforms offering reverse-engineered equivalents
→ sub-sets of features
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The End
– That’s All Folks! –
. . .
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Contact Info
Do you have any questions?
ask NOW!
ask us directly at parak@cesnet.cz or sustr4@cesnet.cz
send your questions to cloud@metacentrum.cz
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