Doc.: IEEE 802.11-04/0568r1 Submission May 2004 Kevin Dick - Nortel Networks Slide 1 Usage Models for ESS Mesh Kevin Dick Kue.

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Presentation transcript:

doc.: IEEE /0568r1 Submission May 2004 Kevin Dick - Nortel Networks Slide 1 Usage Models for ESS Mesh Kevin Dick Kue Wong Wireless Mesh Networks Nortel Networks

doc.: IEEE /0568r1 Submission May 2004 Kevin Dick - Nortel Networks Slide 2 Recap Mesh Networks means many things –i.e. it solves many different problems Rapidly developing solution space Consider the space of mesh network applications Explore thoroughly Make a call on the high runner representative cases Consider proposals for these Make sure that the ESS Mesh Standard allows for extension/optimization to these cases and proposals

doc.: IEEE /0568r1 Submission May 2004 Kevin Dick - Nortel Networks Slide 3 A Few Definitions Application –a particular type of user activity e.g. downloading a file, VoIP Environment –deployment setting e.g. home, large office, outdoors etc. Use Case –description of how an end user uses a system –includes an application in a deployment environment with details regarding the user activity e.g. surfing the web on a laptop at the airport Usage Model –created to "cover" various use cases –provide a specification (more detail) of the applications and environment –intended to help define functional requirements and network / traffic simulations –aid in the subsequent development of evaluation and selection criteria –therefore used to evaluate the various technical proposals

doc.: IEEE /0568r1 Submission May 2004 Kevin Dick - Nortel Networks Slide 4 ESS Mesh Environments In-Home (intra-room, room to room, indoor to outdoor) Large multi-family dwelling House to house Small business Medium to large enterprise –Corporations, hospitals, museums, retail, factories Hot zones indoor –Airports, hotels, convention centers, shopping centers, libraries Hot zones outdoor –University campus, amusement park, downtown Community area networks –Residential IP access, municipal services, public safety Etc.

doc.: IEEE /0568r1 Submission May 2004 Kevin Dick - Nortel Networks Slide 5 ESS Mesh Applications Internet streaming video / audio Internet file transfer – , web browsing, chat VoIP Content download (i.e. photo cameras) Interactive gaming Local file transfer, printing Security cameras Video-conferencing NetMeeting, application / desktop sharing Etc.

doc.: IEEE /0568r1 Submission May 2004 Kevin Dick - Nortel Networks Slide 6 ESS Mesh Usage Models In-Home / SOHO - convenience - accessibility - wire avoidance Enterprise - accessibility - productivity - new applications Community Area Networks - wireless internet access - low cost infrastructure - scaleability Hot-Zones - access - low cost infrastructure - broader coverage PublicPrivate

doc.: IEEE /0568r1 Submission May 2004 Kevin Dick - Nortel Networks Slide 7 Define Usage Models First Next Worry About the Functional Reqt’s Functional Requirements Bandwidth Protocol (UDP, TCP) Packet size Delay Packet error rate RF channel models Stationary or quasi-stationary APs Coverage Capacity NW scope QOS Security NW availability NW management Etc. In-Home/SOHO Enterprise Hot-Zones Community Area NWs Applications Usage Models Environment

doc.: IEEE /0568r1 Submission May 2004 Kevin Dick - Nortel Networks Slide 8 Way Forward Develop ESS Mesh usage models (document) based on market-based use cases Usage models are intended to help define the functional requirements and network / traffic simulations Document will aid in the subsequent development of evaluation and selection criteria for ESS Mesh used to evaluate the various technical proposals