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10 Cards in this Set
- Front
- Back
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How do companies measure quality of service QoS?
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1. Speed
2. Availability 3. Error rates |
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Availability
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The time (percentage) a network is available for use which is 99.9%
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Error rates
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Errors require retransmissions.
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Latency
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Latency is delay, measured in milliseconds (ms).
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Service Level Agreements (SLAs)
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1. Guarantees for one or more QoS metrics
2. Increasingly demanded by users 3. Penalties if the network does not meet its QoS metric guarantees |
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Topology
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Describes the physical arrangement of nodes and links
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Scalability
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The ability to handle growth well.
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Three reasons for product selection?
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1. Functionality
2. Ease of Management 3. Cost |
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SDLC costs
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1. Hardware
2. Software 2. Labor 3. Outsourcing 4. Total development investment |
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OAM&P
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1. Operations
2. Administrative 3. Maintenance 4. Provisioning |
