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ns-3 is a discrete-event network simulator for Internet systems, targeted primarily for research and educational use. ns-3 is free software, licensed under the GNU GPLv2 license, and is publicly available for research, development, and use.

Subclassable and hostless URIs

Provides a method for storing bookmarks for URIs in ZConf.

A configuration system allowing for either file or LDAP backed storage. zccreate Creates a new ZConf config or set. zcget Reads a value from a ZConf config. zccdump Dumps a ZConf config to ZML. zcls Lists configured ZConf congigs and sets. zcrm Remove a ZConf config or set. zcset Sets a value in a ZConf config. zcvdel Remove a variable from a ZConf config. zcvls Lists the keys of a ZConf config. zcchooser-edit Edits the chooser for a config. zcchooser-get Gets the chooser for a config. zcchooser-run Return the set that will be used for a config. zcchooser-set Set the chooser using data in the specified file.

This small program receives UDP datagrams on a given port, and resends those datagrams to a specified set of receivers. In addition, a sampling divisor N may be specified individually for each receiver, which will then only receive one in N of the received packets.

The Python Dugong module provides an API for communicating with HTTP 1.1 servers. It is an alternative to the standard library's http.client (formerly httplib) module. In contrast to http.client, Dugong: * allows you to send multiple requests right after each other without having to read the responses first. * supports waiting for 100-continue before sending the request body. * raises an exception instead of silently delivering partial data if the connection is closed before all data has been received. * raises one specific exception (ConnectionClosed) if the connection has been closed (while http.client connection may raise any of BrokenPipeError, BadStatusLine, ConnectionAbortedError, ConnectionResetError, IncompleteRead or simply return '' on read) * supports non-blocking, asynchronous operation and is compatible with the asyncio module. * can in most cases distinguish between an unavailable DNS server and an unresolvable hostname. * is not compatible with old HTTP 0.9 or 1.0 servers. All request and response headers are represented as str, but must be encodable in latin1. Request and response body must be bytes-like objects or binary streams.

gspreadsheet is a wrapper around a wrapper to get Google spreadsheets to look like csv.DictReader. If you're used to working with CSVs or a human, you'll find that working with Google's Python API for spreadsheets is so frustrating. With gspreadsheet, you can adapt your existing csv code to work with Google Spreadsheets with just two line changes. As an added bonus, if you alter the dict, those changes get saved back to the original spreadsheet.

Matrix is an ambitious new ecosystem for open federated Instant Messaging and VoIP. The basics you need to know to get up and running are: * Everything in Matrix happens in a room. Rooms are distributed and do not exist on any single server. Rooms can be located using convenience aliases like #matrix:matrix.org or #test:localhost:8448. * Matrix user IDs look like @matthew:matrix.org (although in the future you will normally refer to yourself and others using a 3PID: email address, phone number, etc rather than manipulating Matrix user IDs) Synapse is currently in rapid development, but as of version 0.5 we believe it is sufficiently stable to be run as an internet-facing service for real usage!

The MSRP protocol stack implementation for clients written in python. Message Session Relay Protocol (MSRP) is a protocol for transmitting a series of related instant messages in the context of a session. Message sessions are treated like any other media stream when set up via a rendezvous or session creation protocol such as the Session Initiation Protocol (SIP).

py-radix is an implementation of a radix tree data structure for the storage and retrieval of IPv4 and IPv6 network prefixes. The radix tree is the data structure most commonly used for routing table lookups. It efficiently stores network prefixes of varying lengths and allows fast lookups of containing networks.