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The Transmission Control Protocol ( TCP) is one of the main protocols of the Internet protocol suite. It originated in the initial network implementation in which it complemented the Internet Protocol (IP). Therefore, the entire suite is commonly referred to as TCP/IP. TCP provides reliable, ordered, and error-checked delivery of a stream of octets (bytes) between applications running on hosts ...
This is a list of Hypertext Transfer Protocol (HTTP) response status codes. Status codes are issued by a server in response to a client's request made to the server. It includes codes from IETF Request for Comments (RFCs), other specifications, and some additional codes used in some common applications of the HTTP. The first digit of the status code specifies one of five standard classes of ...
To avoid congestive collapse, TCP uses multi-faceted congestion-control strategy. For each connection, TCP maintains a CWND, limiting the total number of unacknowledged packets that may be in transit end-to-end. This is somewhat analogous to TCP's sliding window used for flow control .
Explicit Congestion Notification ( ECN) is an extension to the Internet Protocol and to the Transmission Control Protocol and is defined in RFC 3168 (2001). ECN allows end-to-end notification of network congestion without dropping packets. ECN is an optional feature that may be used between two ECN-enabled endpoints when the underlying network ...
Disabling either Nagle or delayed ACK. TCP implementations usually provide applications with an interface to disable the Nagle algorithm. This is typically called the TCP_NODELAY option. On Microsoft Windows the TcpNoDelay registry switch decides the default.
TCP tuning techniques adjust the network congestion avoidance parameters of Transmission Control Protocol (TCP) connections over high- bandwidth, high- latency networks. Well-tuned networks can perform up to 10 times faster in some cases. [1] However, blindly following instructions without understanding their real consequences can hurt ...
HTTP persistent connection, also called HTTP keep-alive, or HTTP connection reuse, is the idea of using a single TCP connection to send and receive multiple HTTP requests /responses, as opposed to opening a new connection for every single request/response pair.
This is a list of Simple Mail Transfer Protocol (SMTP) response status codes. Status codes are issued by a server in response to a client's request made to the server.
20: Yes: Assigned: Yes: File Transfer Protocol (FTP) data transfer: 21: Yes: Assigned: Yes: File Transfer Protocol (FTP) control (command) 22: Yes: Assigned: Yes: Secure Shell (SSH), secure logins, file transfers (scp, sftp) and port forwarding 23: Yes: Assigned: Telnet protocol—unencrypted text communications: 25: Yes: Assigned
The TCP should ask the IP for the Maximum Datagram Data Size (MDDS). This is the MTU minus the IP header length (MDDS = MTU - IPHdrLen). When opening a connection, TCP can send an MSS option with the value equal to: MDDS - TCPHdrLen. In other words, the MSS value to send is: MSS = MTU - TCPHdrLen - IPHdrLen.