D. Sturzebecher, Institute of Operating Systems and Computer Networks, TU-Braunschweig Modular Advanced Collaboration System A Framework for Collaborative.

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Presentation transcript:

D. Sturzebecher, Institute of Operating Systems and Computer Networks, TU-Braunschweig Modular Advanced Collaboration System A Framework for Collaborative Applications Outline Motivation & Aims Structure & Components Status & Contact

D. Sturzebecher, Institute of Operating Systems and Computer Networks, TU-Braunschweig Motivation n strong demand on CSCW group work, e.g., software development distance learning, e.g., universities lifelong learning, e.g., in companies n current systems not sufficient control not easy to use not portable Network

D. Sturzebecher, Institute of Operating Systems and Computer Networks, TU-Braunschweig Aims n framework for collaborative applications modular / flexible / extensible multiple applications / independent of content n ease of use advanced GUI enhanced floor-passing mechanisms n portable Java based n interworking uses standard protocols MBone –SAP / SDP / SIP ITU –H.323 / T.120 / LDAP

D. Sturzebecher, Institute of Operating Systems and Computer Networks, TU-Braunschweig Structure n 4 horizontal layers n variable number of applications LRMP (Reliable Multicast) Video WB Audio TelSEE Control (incl. ViSCO) TelSEE- Window WB- Window Video- Window TelSEE Panel Control-Window Video- Panel Control Panel Display Control ApplicationsSessions Tools Network Audio Panel Network Glue ViSCO TCP UDPCORBA Floor-Strategies Floor-Mechanisms Control-Interface

D. Sturzebecher, Institute of Operating Systems and Computer Networks, TU-Braunschweig Control n control levels system(access to microphone, speakers, camera,...) session(user invite, session moderation,...) users(access to slides in whiteboard,...) n different session types open (without access control) moderated (with access control)... n different access strategies open (anyone can speak at any time) agenda (predetermined order) round robin (by demand in dynamic order)...

D. Sturzebecher, Institute of Operating Systems and Computer Networks, TU-Braunschweig Applications n audio & video n whiteboard motivated by experience from lectures in 97 & 98 n chat n development tool TelSEE page controltele-markerps import toolsoptions n whiteboard full featured drawing –e.g., object selection tele-pointer / tele-marker graphics and postscript object (access) control

D. Sturzebecher, Institute of Operating Systems and Computer Networks, TU-Braunschweig TelSEE n CASE tool for distributed software development support for users distributed in time and/or space synchronous and asynchronous work modes n features real distributed/concurrent work on objects high interactivity private views platform independent multicast communication architecture extensible

D. Sturzebecher, Institute of Operating Systems and Computer Networks, TU-Braunschweig TelSEE

D. Sturzebecher, Institute of Operating Systems and Computer Networks, TU-Braunschweig Session List n MACS session list MACS sessions MBone sessions session list tab basic operationssession description MACS sessions MBone session

D. Sturzebecher, Institute of Operating Systems and Computer Networks, TU-Braunschweig Users List n MACS user list MACS user NetMeeting users (via LDAP from a ILS) user list tab basic operationsuser description MACS users NetMeeting users

D. Sturzebecher, Institute of Operating Systems and Computer Networks, TU-Braunschweig Seminar n seminar scenario few participants (ca. 10) equal rights, moderator optional session tab basic operations chat visual control available applications equipment

D. Sturzebecher, Institute of Operating Systems and Computer Networks, TU-Braunschweig Classroom n possible implementation l class represented as one entity student “steps” in front of class advantages +high scalability +easy to realize disadvantages –little feedback for teacher n further visualizations being investigated teacher with class student talking to class

D. Sturzebecher, Institute of Operating Systems and Computer Networks, TU-Braunschweig Status & Contact n status demo release V0.3 – classroom scenario under construction –TelSEE included n next steps further integration of floor control a release with classroom scenario test in seminar between Braunschweig and Hannover n further info flyer MACShttp://macs.ibr.cs.tu-bs.de To/oLhttp://