Implications of Role Based Access Control Sample Clauses

Implications of Role Based Access Control. (RBAC) One of the main drawbacks of RBAC model is the role proliferation. In order to illustrate this problem, the following example is provided: ACME company works in four projects: P1, P2, P3 and P4. These projects require two types of job positions: Project Manager and Developer. The following table shows the people working in each project, their role and the projects where they collaborate: Name Role Project Xxxx Project Manager P1 Xxxxxxx Project Manager P2 Xxxxxxxxx Project Manager P3 Xxxxx Project Manager P4 Xxxxxx Developer P1 Xxxxxxx Developer P2 Xxxxxx Developer P3 Xxxxx Developer P4 Table 1: RBAC example: User - Role - Project In order to develop the different projects, the employees involved need to access some resources: Resources Who can access? R1 All project managers R2 P1 project manager R3 P2 project manager R4 P3 project manager R5 P4 project manager R6 All developers R7 P1 developer R8 P2 developer R9 P3 developer R0 P4 developer Table 2: RBAC example: Resource - Who can access? If an RBAC policy is built for this purpose, the following model is obtained: Resources Who can access?? RBAC Model R1 All project managers P1_PROJECT_MANAGER P2_PROJECT_MANAGER P3_PROJECT_MANAGER P4_PROJECT_MANAGER R2 P1 project manager P1_PROJECT_MANAGER R3 P2 project manager P2_PROJECT_MANAGER R4 P3 project manager P3_PROJECT_MANAGER R5 P4 project manager P4_PROJECT_MANAGER R6 All developers P1_DEVELOPER P2_ DEVELOPER P3_ DEVELOPER P4_ DEVELOPER R7 P1 developer X0_XXXXXXXXX X0 X0 xxxxxxxxx X0_ XXXXXXXXX X0 X0 developer P3_ DEVELOPER R0 P4 developer P4_ DEVELOPER Table 3: RBAC example: Resource - Who can access? - RBAC model Therefore, what we get is a policy with eight roles, that is, there would be the same number of people as of roles. Apart from this proliferation of roles problem, another issue that affects RBAC is that the roles nature can be static as they lack of flexibility and sensitivity for the environment in which they are used. Moreover, RBAC supports the notion of active roles for a user with the concept of session, obtaining from these active roles all available permissions for a user, but does not take into consideration the sessions established by other users in the system, i.e. the model does not encompass the entire context associated with the system.
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Related to Implications of Role Based Access Control

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  • Modifications or Additions to Master Agreement As used in this document, Contract (whether capitalized or not) will, unless the context requires otherwise, mean this document and all incorporated Exhibits, which set forth the entire understanding of the Parties and supersede any and all prior agreements. This Contract may only be modified or amended upon mutual written agreement by the Parties. If amendments are made to the Master Agreement, the Contractor shall: 1) notify the Department of such amendments; and 2) provided the Department is amenable to incorporating the amendments into this Contract, enter into a written amendment with the Department reflecting the addition of such amendments to this Contract. In addition to Section 2.2.1 of the Master Agreement and any additional language within the Contract regarding delivery, the Parties agree that Inside Delivery for Customers under this ACS may be further negotiated prior to purchases under this ACS. Inside Delivery rates can be found under the Terms and Conditions page: xxxxx://xxxxxx.xxx.xx.xxx/purchase/spg/awards/2091523109Can.htm All Exhibits attached or listed below are incorporated in their entirety into, and will form part of, this Contract. Exhibit A and Exhibit B, modify or supplement the terms and conditions of the Master Agreement. In the event of a conflict, the following order of precedence will apply:

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