Question

Describe the following with suitable examples.

1- Security Policy Heterogeneity

2-Security Model Heterogeneity

3-Security Mechanism Heterogeneity

4-Data Items-Granularity Heterogeneity

5-Security Semantic Heterogeneity

6-Accreditation/Classification Range Heterogeneity

7-Autonomy Heterogeneity

Answer 1

Security Policy Heterogeneity: When multiple heterogeneous data sources came across in the system at the same time and the security policy is in the right condition then specification at each level is allowed. So security policy should support specifications at different levels.

Security Model Heterogeneity: Sharing semantic knowledge across one or organizations. is a problem and this problem is due to the difference in the vocabulary. To address such a challenge a model is required. Other challenges that are overcame by this model can be to provide a safe information sharing environment for the organization.

Security Mechanism Heterogeneity: The mechanisms came in to play in heterogeneous wireless networks and for the security threats related with the wireless networks. These mechanisms are currently focusing on the hidden troubles and vulnerabilities related with heterogeneous wireless networks.

Data Items-Granularity Heterogeneity: The size of the data items is called the data item granularity. The granularity affects the performance of heterogeneous concurrency control also for the recovery.

Security Semantic Heterogeneity: When some independent parties or third parties develop schema database model for some web domain or website then the problem of semantic Heterogeneity occurs which may lead to the difference in meaning and interpretation of some data. So rules are regarding this comes under its security.

Autonomy Heterogeneity: This is referred to which degree the control of database system can be distributed uniformly and the databases can be operated independently.

Accreditation/Classification Range Heterogeneity: It is complexity of a system that is measured very closely but while measuring it the reference to any ecological effect is not undertaken.

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