A Novel Fault Tolerant Redundancy Policy

The trusted computing base (TCB) internal network in the Global Finance, Inc. Network Diagram hosts the company’s mission critical systems without which the company’s operations and financial situation would suffer. The Oracle database and email systems are among the most intensively used application servers in the company. GFI cannot afford system outages because its cash flow and financial systems heavily depend on the network stability. GFI has experienced DOS network attacks twice this year and its Oracle database and email servers had been down for a week. The recovery process required GFI to use $25,000 to restore its operations back to normal. GFI estimated the loss from these network attacks at more than $100,000 including lost customer confidence.

Information will only have value if customers can access it at the right times. Availability can be affected by system errors, and malicious attacks as well as infrastructure problems. Availability is ensured by maintaining hardware as well as repairing hardware immediately when need arise. A correct functioning operating system should also be maintained in the environment free of software conflicts. Adequate communication bandwidth should also be addressed as well as preventing bottlenecks from occurrence.

A goal of redundant topologies is to eliminate network down time caused by a single point of failure. All networks need redundancy for enhanced reliability. Network reliability is achieved through reliable equipment and network designs that are tolerant to failures and faults. Networks should be designed to reconverge rapidly so that the fault is bypassed.

Availability keeps data and resources available for authorized use, especially during emergencies or disasters. This policy will address common challenges to availability. Denial of Service this is due to intentional attacks or because of undiscovered flaws in implementation. The policy will address loss of information system capabilities because of natural disasters. The policy will also focus on equipment failures during normal use.

Then what happens, soon after, when network issues arise that require significant attention and investment? You may find yourself facing a complete outage or suboptimal performance due to components failing. You may face large, unanticipated bills to replace equipment at the most inopportune times of your

contains the case narrative, related figures, and a set of questions and problems. These do not have one unique solution. There are too many alternatives when dealing with LANs, WANs, MANs, BNs, and the Internet, so a reallife network design and development problem can have several workable answers.

In contrast, Cisco Layer 2 Resiliency advantages are claimed to offer rapid failover without service disruption. The layer 2 is designed to streamline change management and service turn-up without WAN disruption with fewer errors. It offers a high availability through real-time recovery and resiliency at the network, device and design levels. Cisco Layer 2 Resiliency offers increased system redundancy at the platform level, network security through access layer defense, identity-based trust, pervasive security and management as well as providing device posture assessments. Operational efficiency is achieved through automated configuration, proactive diagnostics and simplified troubleshooting. This is designed to provide predictable application performance to support converged applications as well as support IP multicast for new applications.

Proactive System Security and Networking Monitoring ensures your office network infrastructure provides your firm and employees the most reliable continuity of your business activities, reducing the amount of downtime and lost revenue each year.

Key roles that will play a big part in the completion of this project will pertain to network security and reliability and client confidentiality.

Typical data centers can occupy from one room to a complete building. Most equipment are server-like mounted in rack cabinets. Servers differ in size from single units to large independently standing storage units which are sometimes as big as the racks. Massive data centers even make use of shipping containers consisting of 1000’s of servers. Instead of repairing individual servers, the entire container is replaced during upgrades.

5. If the network servers, routers, gateways, fiber modems, switches etc. are down, is there a person that knows the passwords and procedures to bring them back on line when power is restored. What if that one person is on vacation or out of town?

Effective and reliable communication is an essential requirement during military operations and Low Intensity Conflict Operations (LICO). It is especially difficult to accomplish in high noise environments; for example, in and around tracked or wheeled combat vehicles, flight deck or flight line operations, and battlefield environments. Today, simple communication takes the form of hand signals, utilization of flashlights at night or traditional voice commands. Wired intercoms have progressed towards improving voice communications in these high noise environments, but the nature of many military operations requires that soldiers disconnect from their wired intercoms to exit the vehicle. Maintaining communication with the host platform, utilization

Limoncell, T. A., Hogan, C. J., & Chalup, S. R. (2007). The Practice of System and Network Administration, Second Edition. Addison-Wesley Professional.

Things got busier and busier. One of the requirements of offering network services was the fact that if a customer's network goes down, it must be fixed. This task fell to Colin for a couple of reasons. Pam's strengths were not in the technical aspects of computer systems, and he did not have to pay himself overtime.

According to MNTC, one of the main goals of the Networking and Computer Repair career