News Column

Patent Issued for Federated Authentication for Mailbox Replication

June 24, 2014

By a News Reporter-Staff News Editor at Information Technology Newsweekly -- Microsoft Corporation (Redmond, WA) has been issued patent number 8752152, according to news reporting originating out of Alexandria, Virginia, by VerticalNews editors.

The patent's inventors are Kol, Ayla (Sammamish, WA); Gavrilov, Dmitri (Redmond, WA); Clark, Bradford (Duval, WA); Kress, Brian T. (Redmond, WA); Kleewein, James C. (Kirkland, WA).

This patent was filed on December 14, 2009 and was published online on June 10, 2014.

From the background information supplied by the inventors, news correspondents obtained the following quote: "Electronic mail (email) use has become an integral part of people's daily lives. Many forms of communication, personal or business, have been replaced by email exchanges. Emails not only contain textual exchanges, but many modern email systems enable integration of multi-modal communications with emails. Thus, increasing amounts of textual, audio, video, and other forms of communication data is stored in individual mailboxes and central data storage facilities as part of the vast email exchange networks.

"One characteristic of modern email systems is their diversity. Email systems may range from small email services set up by individuals to very large organizational email systems. As these diverse and numerous systems interact, security, privacy, and reliability are some of the aspects that have to be taken into consideration. For example, many email systems employ mailbox replication to protect against data loss.

"Mailbox data replication across authentication boundaries like directory service systems (e.g. Active Directory.RTM. Forests) requires explicit credentials to be specified for data access across the authentication boundary. Relying on explicit credentials has challenges such as the credential having to be securely stored on the side that is driving the data replication, allowing another environment to store one of its credentials posing a risk to the side that is being accessed using this credential, and credentials expiring--hence they need to be managed separately in the remote forest for the data replication to continue--."

Supplementing the background information on this patent, VerticalNews reporters also obtained the inventors' summary information for this patent: "This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the Detailed Description. This summary is not intended to exclusively identify key features or essential features of the claimed subject matter, nor is it intended as an aid in determining the scope of the claimed subject matter.

"Embodiments are directed to a data replication mechanism enabling distributed authentication by relying on the existing federation infrastructure rather than storing explicit credentials. According to some embodiments, the data replication mechanism may request a federation token with data replication capabilities targeted to a remote forest and pass this token to the remote forest in lieu of explicit credentials.

"These and other features and advantages will be apparent from a reading of the following detailed description and a review of the associated drawings. It is to be understood that both the foregoing general description and the following detailed description are explanatory and do not restrict aspects as claimed."

For the URL and additional information on this patent, see: Kol, Ayla; Gavrilov, Dmitri; Clark, Bradford; Kress, Brian T.; Kleewein, James C.. Federated Authentication for Mailbox Replication. U.S. Patent Number 8752152, filed December 14, 2009, and published online on June 10, 2014. Patent URL:

Keywords for this news article include: Microsoft Corporation, Information Technology, Information and Data Replication.

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Source: Information Technology Newsweekly

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