The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 01, 2019
Filed:
Nov. 04, 2016
Red Hat, Inc., Raleigh, NC (US);
Daniel McPherson, Raleigh, NC (US);
Stephen Tweedie, Edinburgh, GB;
Benjamin Parees, Durham, NC (US);
Red Hat, Inc., Raleigh, NC (US);
Abstract
Methods and systems for creating containers by composition are disclosed. For example, a container image includes multiple layers, including first and second layers, which an image engine determines are read only or unmodified by adding any other layers. Each layer is in either a broken or unbroken state. Layers remain unbroken if an associated identifying signature and contents of layer remain unmodified by any other layer. The layers adhere to a policy requiring each compliant layer to be read only and/or not to modify any other layer when added to container image. The policy requires compliant layers to only modify their own contents when updated and to remain unbroken. The first and second layers are compliant when a third layer replaces the first layer. The layers remain compliant after replacement.