Microsoft Technology Licensing, LLC

Linkedin Corporation

Douglas Alan Young

Leroy Bertrand Keely, Jr

Andrew James Palay

Swee Boon Lim

Ganesan Venkatasubramanian

Ang Xu

Techniques for switching mastership from one service in a first data center to a second (redundant) service in a second data center are provided. A service coordinator in the first data center is notified about the master switch. The service coordinator notifies each instance of the first service that the first service is not a master. Each instance responds with an acknowledgement. After it is confirmed that all instances of the first service have responded with an acknowledgement, a client coordinator in the first and/or second data center is updated to indicate that the second service is the master so that clients may send requests to the second service. Also, a service coordinator in the second data center is notified that the second service is the master. The service coordinator notifies each instance of the second service that the second service is the master. Each instance responds with an acknowledgement.

Fast single-master failover

A system and method are provided for sticky routing of a user's service requests and connections to a distributed service hosted by multiple data centers. Sticky routing data are generated when a user first connects, to include member ID, preferred data center, a user bucket associated with one data center, a generation of the bucket, a generation of the user's sticky routing data, and timing information identifying a time of issue and/or a time of expiration of the routing data. A user bucket is either online (accepts new users; their requests are routed to the associated data center), offline (not accepting new users; existing users are expelled and must join a different bucket), or closed (not accepting new users; existing users' requests continue to be routed to the associated data center). All of a user's requests, from all devices, are thus routed to one data center, based on member ID.

Sticky routing

A notepad computer with a page display region displaying a page of a document on which a user can write using a pen or stylus type writing tool is provided. Associated with the page is an interface that can be used with the pen. The interface includes a core task tool region adjacent to the page where tool icons are partially visible until the pen is brought near one of the icons. The tool icon becomes fully visible when the pen is within the region of the icon. The tool when activated can pop-up a radial pop-up menu located at an edge of the document where all the menu choices are located in a semi-circle away from the edge so that the users hand while holding the pen and making a selection does not block the choices.

Pen-based interface for a notepad computer

A notepad computer with a page display region displaying a page of a document on which a user can write using a pen or stylus type writing tool is provided. Associated with the page is an interface that can be used with the pen. The interface includes a core task tool region adjacent to the page where tool icons are partially visible until the pen is brought near one of the icons. The tool icon becomes fully visible when the pen is within the region of the icon. The tool when activated can pop-up a radial pop-up menu located at an edge of the document where all the menu choices are located in a semi-circle away from the edge so that the users hand while holding the pen and making a selection does not block the choices. A page flipping tool is located in a corner of the page and is an explicit two-stroke menu allowing selection of a next or previous page. A page scrolling tool is located along an edge of the page, the scrolling tool when activated is an implicit button allowing scrolling in one implied direction. The interface also includes a stack region adjacent to said page display region having one or more stack icons each representing a stack of documents. The icon is also an explicit two-stroke radial pop-up menu having forward and backward choices for selecting documents in the stack and a stack document list display displaying a list of documents in the stack when the stack icon is touched by an input pen. The interface also includes a typing tool overlaying a portion of the page and including a writing zone where a user handwrites strokes and, a page zone comprising part of the page where typed text corresponding to the handwritten strokes is displayed as the handwriting occurs.

A notepad computer is disclosed with a page display region displaying a page of a document on which a user can write using a pen. Associated with the page is an interface useable with the pen including a core task tool region where tool icons are partially visible until the pen is brought near a tool icon. A radial menu pops up at an edge of the document where menu choices are located in a semi-circle away from the edge. A page flipping tool is also provided. A page scrolling tool is further provided that, when activated, includes an implicit button allowing scrolling in one implied direction. A stack region adjacent to the page display region has stack icons each representing a stack of documents. A typing tool is also provided overlaying a portion of the page and including a writing zone and a page zone.

The invention is a notepad computer with a page display region displaying a page of a document on which a user can write using a pen or stylus type writing tool. Associated with the page is an interface that can be used with the pen. The interface includes a core task tool region adjacent to the page where tool icons are partially visible until the pen is brought near one of the icons. The tool icon becomes fully visible when the pen is within the region of the icon. The tool when activated can pop-up a radial pop-up menu located at an edge of the document where all the menu choices are located in a semi-circle away from the edge so that the user's hand while holding the pen and making a selection does not block the choices. A page flipping tool is located in a corner of the page and is an explicit two-stroke menu allowing selection of a next or previous page. A page scrolling tool is located along an edge of the page, the scrolling tool when activated is an implicit button allowing scrolling in one implied direction. The interface also includes a stack region adjacent to said page display region having one or more stack icons each representing a stack of documents. The icon is also an explicit two-stroke radial pop-up menu having forward and backward choices for selecting documents in the stack and a stack document list display displaying a list of documents in the stack when the stack icon is touched by an input pen. The interface also includes a typing tool overlaying a portion of the page and including a writing zone where a user handwrites strokes and, a page zone comprising part of the page where typed text corresponding to the handwritten strokes is displayed as the handwriting occurs.

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Mountain View, CA, United States of America

Douglas Alan Young