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Architecture of a Web crawler. A Web crawler, sometimes called a spider or spiderbot and often shortened to crawler, is an Internet bot that systematically browses the World Wide Web and that is typically operated by search engines for the purpose of Web indexing (web spidering).
Distributed web crawling is a distributed computing technique whereby Internet search engines employ many computers to index the Internet via web crawling.Such systems may allow for users to voluntarily offer their own computing and bandwidth resources towards crawling web pages.
In computing, a search engine is an information retrieval software system designed to help find information stored on one or more computer systems. Search engines discover, crawl, transform, and store information for retrieval and presentation in response to user queries. The search results are usually presented in a list and are commonly ...
Network performance refers to measures of service quality of a network as seen by the customer. There are many different ways to measure the performance of a network ...
Slow start assumes that unacknowledged segments are due to network congestion. While this is an acceptable assumption for many networks, segments may be lost for other reasons, such as poor data link layer transmission quality. Thus, slow start can perform poorly in situations with poor reception, such as wireless networks.
This can slow your connection to a crawl. To troubleshoot a slow VPN connection , choose a server in a country closer to you, restart your router or modem, or upgrade to premium VPN services ...
The way current technologies process information over the network is slow and consumes large amounts of energy. ISPs and engineers argue that these issues with the increased demand on the networks result in some necessary congestion, but the bottlenecks also occur because of the lack of technology to handle such huge data needs using minimal ...
Graphical depiction of contributions to network delay. Network delay is a design and performance characteristic of a telecommunications network. It specifies the latency for a bit of data to travel across the network from one communication endpoint to another. [1] [2]: 5 It is typically measured in multiples or fractions of a second. Delay may ...