The document discusses the Open Cloud Computing Interface (OCCI), defining its goals, current status, and future roadmap towards enabling interoperability and portability within cloud computing systems. It outlines OCCI's vision of creating an open cloud ecosystem with open formats and interfaces, aiming for multiple interoperable implementations. The document also describes the technical specifications of OCCI, including its protocol and application implementations, alongside details regarding participants from various industries and academic institutions.

1. The OGFOpen Cloud Computing InterfaceShlomo SwidlerOGF OCCI WG Member3December 2009

2. AgendaGoal of OCCIWho is OCCICurrent statusA quick look

3. OCCI Vision:Open Cloud EcosystemOpen FormatsOpenCloudOpenInterfacesOpenDataOpen Source

4. OCCI Vision:Open Cloud EcosystemOpen FormatsCopyrights – free to useTrademarks – compliance enforcement onlyPatents – royalty-free, foreverOpenCloudOpenInterfacesOpenDataImplementations – multiple, complete, interoperable, open licenseOpen Source

5. Goal of OCCIInteroperabilityLet different cloud systemswork togetherPortabilityMove services between cloudsIntegrationWire up cloud with legacyAt all levels of the stack

6. Who is OCCIOpen Grid Forum Working GroupOGF IP umbrella for copyrights, patents, trademarksMore than 200 participantsIndustry: Rackspace, GoGrid, Sun, RESERVOIR, …Academia: UCMadrid (OpenNebula), SLA@SOI w/Intel, …Service providers: CohesiveFT, RabbitMQ, …End users, developers

7. Current Status of OCCIInfrastructure layer spec finalized, submitted for reviewOpenNebula reference implementation underwayOther implementations in the works, too…Working on Extensions (reservations, snapshots, etc.)Researching Platform layerProposed Roadmap:Draft Platform spec - March 2010Draft Application spec – October 2010Final – early 2011

8. 20,000-foot Look at OCCIProtocolLightweight, extensibleFormat-agnosticBuilt on HTTP, RESTfulCreate: HTTP POSTRetrieve: HTTP GETUpdate: HTTP GET & HTTP PUTDelete: HTTP DELETEOCCI ApplicationOCCI PlatformOCCI InfrastructureHTTP HeaderRenderingXHTML5 + RDFaRenderingOCCICoreExtensions

9. 5,000-foot Look at OCCIGET http://abc.com/uid123foobar/*ProviderInstance*HTTP LINK headerCompute*Storage*LinksNetwork*Operations*AttributesOCCIAtom-like categories

10. REQUESTEye-level Look at OCCI> GET /us-east/webapp/vm01 HTTP/1.1 > User-Agent: occi-client/1.0 (linux) libcurl/7.19.4 OCCI/1.0 > Host: cloud.example.com> Accept: */* > < HTTP/1.1 200 OK < Date: Sat, 10 Oct 2009 12:56:51 GMT < Content-Type: application/ovf< Link: </us-east/webapp/vm01;start>; < rel="http://purl.org/occi/action/start"; < title="Start" < Link: </us-east/webapp/build.pdf>; < rel="related"; < title="Documentation"; < type="application/pdf" < Category: compute; < label="Compute Resource”; < scheme="http://purl.org/occi/kind/" < Server: occi-server/1.0 (linux) OCCI/1.0 < Connection: close < < <?xml version="1.0" encoding="UTF-8"?> < <Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" < xmlns:ovf="http://schemas.dmtf.org/ovf/envelope/1" < xmlns="http://schemas.dmtf.org/ovf/envelope/1" < xml:lang="en-US”<...Get the resource,in whatever formatRESPONSEIt’s in OVFformatYou can “start” itRelated “documentation”It’s a “compute” resourceThe OVF payload

11. Other APIs / InterfacesOpenjClouds (Java)libcloud (Python)OCCI (HTTP)Cloud::Infrastructure (Perl)Zend Simple Cloud (PHP)Dasein Cloud (Java)deltacloud (RedHat)ProtocolAPIAmazon EC2Microsoft Azure (.NET)VMware vCloudProprietary

12. Q & A

13. Thank you!The OGFOpen Cloud Computing InterfaceShlomo Swidlershlomo.swidler@orchestratus.com

14. Copyright NoticeCopyright (C) Open Grid Forum (2009). All Rights Reserved. This document and translations of it may be copied and furnished to others, and derivative works that comment on or otherwise explain it or assist in its implementation may be prepared, copied, published and distributed, in whole or in part, without restriction of any kind, provided that the above copyright notice and this paragraph are included on all such copies and derivative works. The limited permissions granted above are perpetual and will not be revoked by the OGF or its successors or assignees.