CCDP does the following:
building a scalable internetwork. This model can demystify a complex network.
Each protocol has different advantages and disadvantages. It might not be obvious which
protocol is best. Although TCP/IP might be an easy selection because of its universal
acceptance, the choice of a routing protocol, such as EIGRP or OSPF, might take more
consideration. Addressing and naming should be planned in advance. You should choose names
that add value to the network's design. You should choose addresses that properly subdivide
network traffic flow and allow for routing summarization.
WAN resources. For example, a typical hierarchical design might use a Cisco 7200 router to
handle the heaviest traffic requirements at the core, a Cisco 3600 router to handle the medium
traffic requirements at the distribution layer, and a Cisco 2500 router to handle the lightest loads
at the access layer. At this stage, the CCDP should have a reasonably good idea about where the
greatest and least amount of traffic will be generated throughout the network.
Use network simulation and modeling tools to determine the estimated network performance.
Estimate the performance of the internetworking device. Determine what devices could cause
latency in an internetwork. You can use a sniffer to monitor the actual network traffic
information. You can obtain trend information by observing the data from day to day.
performance.
network monitoring tools can help users benchmark network behavior, efficiently and easily
isolate and resolve bottlenecks, verify carrier compliance with established service-level
agreements (SLAs), and minimize WAN costs while improving overall performance.