CIS 505 Week 2 Discussions STR

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CIS 505 Week 2 Discussions STR

CIS 505 Week 2 Discussion 1

Take a position on the following statement, “Mainframe computers are still needed even though personal computers and workstations have increased in capabilities.” Defend your position by providing at least one example to support your position.  Are mainframe computers still needed? You bet they are I will give you one really good reason why they are. With the increasing number of people online, increasing speeds increased bandwidths that make increased requests to enterprises. For example, let’s look at credit card giant Visa. Visa probably handles over 120,00 transactions every second. It is imperative that government, universities, and commercial businesses of all sizes keep up with this demand and with the number of small servers that it would require to do this it just would not be feasible. Then if we look at the modern mainframes they not only can run their own environment, but they can ritualize hundreds or even thousands of pedestrian servers at the same time Just food for thought.

• Analyze the differences between distributed data processing and centralized data processing. Provide an example of each. Then compare each to the processing used in cloud computing.

A centralized cloud storage data-center topology is defined as a topology in which the cloud storage provider has one or a few data-centers located in a small geographical area because the distance between the end-user and the data-center can potentially be large. An advantage of a centralized data center topology is the economies of scale of operational expenses A disadvantage is the higher risk of single-point-of-failure. Table 1 gives an overview of some providers that have all their data-centers in a small geographical area. A distributed cloud storage data-center topology is a topology in which the cloud storage provider has multiple data-centers spread over a large geographical area and in which the user stores and retrieves data from the data-center closest to it. Testa et al. explained that DNS-based load-balancing algorithms are primarily used to determine the data-center to which traffic has to be directed the algorithm shows how the clients are distributed over the data-centers. The content switch constantly monitors the traffic load of the data-centers are called step 1. A client was resolved using the DNS servers because these IP addresses can give an indication of data-center location.

An example of a distributed data processing is

For example, an organizational-distributed network comprising of three computers can have each machine in a different branch. The three machines are interconnected via the Internet and are able to process data in parallel, even while at different locations. This makes distributed data-processing networks more flexible. An example of a centralized data processing system is:

centralized processing. The processing performed on one computer or in a cluster of coupled computers in a single location. Access to the computer is via “dumb terminals,” which send only input and receive output or “smart terminals,” which add screen formatting. All data processing is performed on the central computer.

CIS 505 Week 2 Discussion 2

By Definition: A packet switched network  Packet-switched networks move data in separate, small blocks — packets — based on the destination address in each packet. When received, packets are reassembled in the proper sequence to make up the message. Circuit-switched networks require dedicated point-to-point connections during calls. Circuit-switched networks and packet-switched networks have traditionally occupied different spaces within corporations. Circuit-switched networks were used for phone calls and packet-switched networks handled data. But because of the reach of phone lines and the efficiency and low cost of data networks, the two technologies have shared chores for years. (L. Copeland,2000).The reason Packet switches are more appropriate for the Internet is, because:  With the internet being packet switched, your computer can send off packets to one host, then send packets off to another host before receiving a response from the first host.  It can even receive response packets from the first host while it is sending off packets to the second host.

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CIS 505 Week 2 Discussions STR

ACCT 553 DeVry, BIAM 500 DeVry, CIS 500 STR, CIS 558 STR, ENG 105 GCU, FIN 390 DeVry, FIN 504 GCU, HCA 545 GCU, HCA 699 GCU, HLT 306 GCU, HLT 362 GCU, HLT 555 GCU, HLT 610 GCU, HLT 665 GCU, HOSP 594 DeVry, HRM 600 DeVry, MAT 144 GCU, MGMT 600, MGT 599 STR, MGT 655 GCU, MKT 373 GCU, PSY 362 GCU, PSY 565 GCU, PSY 575 GCU, PSY 665 GCU, SOC 102 GCU, SOC 320 GCU, SOC 372 GCU, SOC 412 GCU, NSG 6440 SU, HIM 515 GCU, NSG 4029 SU, HIM 615 GCU, NSG 3029 SU, NSG 4055 SU, NSG 6630 SU, NSG 6005 SU, CRMJ 310, PSY 510 GCU, CRMJ 300 Devry, CRMJ 425, SPD 200 GCU, HLT 490 GCU ,ECH 340 GCU, ECH 440 GCU, ECH 355 GCU, ECH 350 GCU, LDR 461 GCU, ECH 425 GCU, REL 212 STR, ,SCI 115 STR ,CIS 505 STR