CA2470013A1 - Transport system for instant messaging - Google Patents

Transport system for instant messaging Download PDF

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Publication number
CA2470013A1
CA2470013A1 CA002470013A CA2470013A CA2470013A1 CA 2470013 A1 CA2470013 A1 CA 2470013A1 CA 002470013 A CA002470013 A CA 002470013A CA 2470013 A CA2470013 A CA 2470013A CA 2470013 A1 CA2470013 A1 CA 2470013A1
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CA
Canada
Prior art keywords
recited
bridge
computer
session
peer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002470013A
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French (fr)
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CA2470013C (en
Inventor
John Holmes
David Michael Miller
Walter Vonkoch
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Microsoft Technology Licensing LLC
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Microsoft Corp
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Filing date
Publication date
Application filed by Microsoft Corp filed Critical Microsoft Corp
Priority to CA2782768A priority Critical patent/CA2782768C/en
Publication of CA2470013A1 publication Critical patent/CA2470013A1/en
Application granted granted Critical
Publication of CA2470013C publication Critical patent/CA2470013C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/09—Mapping addresses
    • H04L61/25—Mapping addresses of the same type
    • H04L61/2503—Translation of Internet protocol [IP] addresses
    • H04L61/256—NAT traversal
    • H04L61/2575—NAT traversal using address mapping retrieval, e.g. simple traversal of user datagram protocol through session traversal utilities for NAT [STUN]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/09—Mapping addresses
    • H04L61/25—Mapping addresses of the same type
    • H04L61/2503—Translation of Internet protocol [IP] addresses
    • H04L61/251—Translation of Internet protocol [IP] addresses between different IP versions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/1063—Application servers providing network services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1069—Session establishment or de-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1073—Registration or de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H04L65/1104—Session initiation protocol [SIP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications
    • H04L65/401—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference
    • H04L65/4015—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference where at least one of the additional parallel sessions is real time or time sensitive, e.g. white board sharing, collaboration or spawning of a subconference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H04L69/164—Adaptation or special uses of UDP protocol
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/029—Firewall traversal, e.g. tunnelling or, creating pinholes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/14—Multichannel or multilink protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]

Abstract

® An exemplary method involves creating a master session over a first connection through a server; and creating a virtual channel over the connection, the virtual channel operable to communicate a feature session. The method may involve establishing a direct connection that bypasses the server, and switching communication of the feature session to the direct connection. A system for network communication includes a plurality of transport bridges, each transport bridge corresponding to an active network device configuration, and a switching module operable to choose one of the transport bridges to form a connection between two computing devices based on the active network device configuration.

Claims (22)

1. A computer-readable medium having stored thereon computer-executable instructions for carrying out a method comprising:
creating a master session over a first connection through a server; and creating a virtual channel over the connection, the virtual channel operable to communicate a feature session.
2. A computer-readable medium as recited in claim 1, the method further comprising:
establishing a direct connection that bypasses the server; and switching communication of the feature session to the direct connection.
3. A computer-readable medium as recited in claim 2, wherein establishing a direct connection comprises choosing a transport bridge based on a network configuration.
4. A computer-readable medium as recited in claim 1 wherein creating a virtual channel comprises multiplexing the feature session and the master session over the first connection.
5. A computer-readable medium as recited in claim 4 wherein the multiplexing comprises appending a feature session identifier to data in the feature session and a master session identifier to data in the master session.
6. A computer-readable medium as recited in claim 1 wherein creating a master session comprises initializing the master session using a session layer protocol (SIP), wherein the SIP uses an email address to initialize the master session.
7. A system for network communication, the system comprising:
a plurality of transport bridges, each transport bridge corresponding to an active network device configuration; and a switching module operable to choose one of the transport bridges to form a connection between two computing devices based on the active network device configuration.
8. A system as recited in claim 7 wherein the active network device configuration comprises at least one firewall between the first computing device and the second computing device.
9. A system as recited in claim 7 wherein the active network device configuration comprises at least one network address translator between the first computing device and the second computing device.
10. A system as recited in claim 7 wherein the plurality of bridges comprise at least one of:
a reliable user datagram protocol bridge;
a transmission control protocol/internet protocol (TCP/IP) bridge; and a switchboard bridge.
11. A system as recited in claim 7 further comprising:
a feature; and a master session operable to create a feature session associated with the feature.
12. A system as recited in claim 11 further comprising a transport layer operable to multiplex feature data and master session data across, and communicate the multiplexed data via the chosen transport bridge.
13. A transport protocol stack for use by an instant messaging application, the transport protocol stack comprising:
a bridge layer comprising a plurality of bridge modules, each bridge module corresponding to an active network device configuration; and a switching module operable to dynamically select one of the bridge modules based on the active network device configuration.
14. A transport protocol stack as recited in claim 13 further comprising a detection module operable to detect the active network device configuration.
15. A transport protocol stack as recited in claim 13 wherein the detection module comprises an echo server.
16. A transport protocol stack as recited in claim 13 further comprising a transport layer operable to multiplex data from a plurality of sessions via the selected one of the bridge modules.
17. A transport protocol stack as recited in claim 13 further comprising a master session operable to create one or more feature sessions corresponding to features of the instant messaging application.
18. A computer-readable medium having stored thereon computer-executable instructions for performing a method comprising:
establishing an instant messaging session between a first client computer and a second client computer via a switchboard server;
automatically establishing a peer-to-peer connection;
transmitting first data associated with the instant messaging session via the switchboard server; and transmitting second data associated with the instant messaging session via the peer-to-peer connection.
19. A computer-readable medium as recited in claim 18, the method further comprising:
determining an active network device configuration associated with the first client computer and the second client computer; and selecting a peer-to-peer bridge corresponding to the active network configuration.
20. A computer-readable medium as recited in claim 18 wherein the peer-to-peer bridge comprises an RUDP bridge.
21. A computer-readable medium as recited in claim 19 wherein the peer-to-peer bridge comprises a TCP/IP bridge.
22. A computer-readable medium as recited in claim 18 further comprising:

transmitting a first portion of a blob of the first data via the switchboard server;
and transmitting a subsequent portion of the blob of the first data via the peer-to-peer connection.
CA2470013A 2003-07-01 2004-06-01 Transport system for instant messaging Expired - Fee Related CA2470013C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2782768A CA2782768C (en) 2003-07-01 2004-06-01 Transport system for instant messaging

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/611,575 US7363378B2 (en) 2003-07-01 2003-07-01 Transport system for instant messaging
US10/611,575 2003-07-01

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2782768A Division CA2782768C (en) 2003-07-01 2004-06-01 Transport system for instant messaging

Publications (2)

Publication Number Publication Date
CA2470013A1 true CA2470013A1 (en) 2005-01-01
CA2470013C CA2470013C (en) 2012-09-11

Family

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Country Status (8)

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US (3) US7363378B2 (en)
EP (3) EP2259514A1 (en)
JP (2) JP4634077B2 (en)
KR (1) KR101150110B1 (en)
CN (1) CN1578278B (en)
BR (1) BRPI0402437A (en)
CA (2) CA2782768C (en)
MX (1) MXPA04006451A (en)

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