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Network and Protocol Processes - Essay Example

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The main focus of this paper is to analyze network and protocol processes that occur in the network when you access x-stream from a remote location. The interaction between my laptop and the server at X-Stream takes client-server architecture through TCP/IP protocols suite…
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Network and Protocol Processes
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Download file to see previous pages The DNS server is part of the network configuration of my host. The DNS server returns the IP address 212.183.133.187 (Byrnes, 2000). Now my laptop has enough information needed i.e. IP address 212.183.133.187and the HTTP webserver port 80; it can establish a TCP connection to the X-Stream webserver.The DNS server is part of the network configuration of my host. The DNS server returns the IP address 212.183.133.187 (Byrnes, 2000). Now my laptop has enough information needed i.e. IP address 212.183.133.187and the HTTP webserver port 80; it can establish a TCP connection to the X-Stream webserver.2. Requesting a TCP connection by X-Stream webserver to port 80 at IP address 212.183.133.187 (Transport Layer)The data received from the HTTP request (From Application Layer) is divided into several packets. These data packets include:a) My laptop’s IP address which has been delivered by my DNS server and determined as 212.183.133.187b) Port number: the default port number of the HTTP request is 80 and can be 443 if I make secure connection https://x-stream.leedsmet.ac.uk or if the X-Stream network requires a secure connection at the time I am making a request. c) Acknowledgement number: This specifies the next sequence of figures that are expected by my laptop which sends the segment. TCP shows that this field is active by setting the acknowledgement number bit that is usually set after the establishment of the connection.d) Reserved bits: This are reserved for future use and are therefore sent to zeroe) Data offset: These are four bits that specify the number of the 32 bit word which defines the TCP header.f) Checksum (16 bits): Checksum is used for error control that covers the data fields and header. It also covers a pseudo-header; and includes destination and source addresses, the segment length and the protocol. This information is then forwarded together with the segment in order to IP to protect TCP from faulty routing of segments. The segment length’s value includes the TCP header and data (Comer, 1999).g) Control bits. My laptop (TCP Client) requests the Internet protocol to deliver an IP datagram with connection request to destination 212.183.133.187. ...Download file to see next pagesRead More
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