X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=doc%2Fhtml%2Ftep120.html;h=647c8b6d8f93e012eaa5ff173601aa07b97e6460;hb=2209f8d2cb9ae1b6c268532e99a374533eb8fa78;hp=e50e9f1473abfd0caec085cdfdfd36dc9755c5c2;hpb=e375f4f25e4f47409d09d6a13f57aff159c20886;p=tinyos-2.x.git diff --git a/doc/html/tep120.html b/doc/html/tep120.html index e50e9f14..647c8b6d 100644 --- a/doc/html/tep120.html +++ b/doc/html/tep120.html @@ -41,11 +41,6 @@ blockquote.epigraph { dd { margin-bottom: 0.5em } -/* Uncomment (& remove this text!) to get bold-faced definition list terms -dt { - font-weight: bold } -*/ - div.abstract { margin: 2em 5em } @@ -314,9 +309,9 @@ ul.auto-toc {
Adam Wolisz Draft-Created:17-April-2006 -Draft-Version:1.1.2.5 +Draft-Version:1.7 -Draft-Modified:2006-10-25 +Draft-Modified:2007-06-21 Draft-Discuss:TinyOS Alliance <tinyos-alliance at mail.millennium.berkeley.edu> @@ -347,8 +342,8 @@ development of the worldwide academic and industrial TinyOS community.

2. Overview

This memo defines a blueprint and conceptual foundation for an open -alliance that fulfills the above charter. -It defines the following ten aspects of the alliance:

+alliance that fulfills the above charter. It defines the following ten +aspects of the alliance:

3. Mission

@@ -464,10 +462,9 @@ embedded systems.

The Alliance has a technical advisory function: guide the evolution of the TinyOS architecture, formulate and track progress of working groups, and provide an open and impartial process for technical -documentation. It also has an organizational advisory function: manage -industry -interaction, legal and IP issues, evolution of the organization -itself, membership issues and so on.

+documentation. It also has an organizational advisory function: +manage industry interaction, legal and IP issues, evolution of the +organization itself, membership issues and so on.

We follow an approach that starts small and grows the structure as needed. The focus should be on the working groups. Working groups are not limited to technical functions; they can be formed to promote @@ -500,7 +497,8 @@ groups (WGs). This means establishing WG policy, providing appeals process, managing WG creation/extinction, arbitrating between WGs, and supervising activities to resolve conflicting directions and moving the process towards overall architectural coherence.

-

The SC is also responsible for reviewing and approving all TEPs. WGs +

The SC is also responsible for reviewing and approving all TinyOS +Enhancement Proposals (TEPs) that working groups generate. WGs submit TEPs to the SC for review. The SC should appoint one contributing Alliance member not affiliated with the corresponding WG to review the TEP. This reviewer, who may or may not be a member of @@ -515,7 +513,7 @@ also be approved by the Board.

procedural elements of the Alliance. This includes election procedures, membership criteria, selection of venues, oversight of access to code repositories and Alliance web sites, and regular -Alliance meetings.

+Alliance meetings that occur at least once a year.

4.2 Working Groups

@@ -537,7 +535,7 @@ membership. This means that we want to keep barriers to entry low in all respects: legal, financial, and organizational. As with IETF and Apache, we want to shape the organization as a meritocracy that encourages, promotes, and credits the contributions of its members. -Companies have essential role, but merit, not finances should +Companies have an essential role, but merit, not finances should dictate direction. Membership and influence should recognize the importance of adopters, not just developers.

The fundamental membership is individual, as individuals create work products, @@ -550,7 +548,7 @@ serve on working groups and committees, and vote. We have two forms:

-
  • Contributing Member: Individual who aditionally joins working groups, +

  • Contributing Member: Individual who additionally joins working groups, attends meetings, or contributes code or other assets to the Alliance. Contributing members are elected to various posts and have voting rights.

    @@ -559,11 +557,11 @@ have voting rights.

    There is no individual membership fee, but members will be responsible for nominal registration fees at Alliance meetings.

    -

    Corporations and organizational have institutional membership, which reflects -their degree of effort.

    +

    Corporations and organizations have institutional membership, which +reflects their degree of effort.

      -
    • Institutional Member: Corporation or institutional organization +
    • Institutional Member: A corporation or organization that joins the Alliance, agrees to appear on the Alliance web site and documents, and pays a nominal administrative fee. (Min. Annual $500 for small companies and non-profits, $1000 for larger)
    • @@ -581,24 +579,23 @@ the alliance, we are interested in maximizing the impact of the alliance in facilitating a healthy academic and industrial, research and production ecosystem around embedded network technology.

      The organization will be able to accept direct financial and -intellectual property contributions. The IP policy should encourage +intellectual property contributions. The IP policy, described +in Section 7, should encourage corporate participation while preserving focus on soundness, merit, and consensus building. Ultimately, we seek to promote a meritocracy that recognizess the contributions of the individuals, whether they be members of corporations, academic institutions, govermental -institutions, or unaffiliated. We will provide a fee structure that encourages -the participation of small companies and start-ups.

      +institutions, or unaffiliated.

  • 6. Working Groups

    -

    There will be two forms of working groups. LONG-STANDING -groups are chartered to develop important areas or subsystems. For -example, we expect longstanding groups on -routing, management, platforms, testing, programming tools, and -education. SHORT-TERM groups have a fixed mandate to tackle a -particular topic. For example, there may be groups to develop a -particular protocol, establish a policy or licensing format, or -address a particular application capability.

    +

    There will be two forms of working groups. LONG-STANDING groups are +chartered to develop important areas or subsystems. For example, we +expect longstanding groups on routing, management, platforms, testing, +programming tools, and education. SHORT-TERM groups have a fixed +mandate to tackle a particular topic. For example, there may be +groups to develop a particular protocol, establish a policy or +licensing format, or address a particular application capability.

    There will be two means of Working Group formation: grass roots and charter. Grass roots groups are formed by individuals or groups who have a preliminary version of something important and want to make @@ -610,22 +607,25 @@ a particular charter in mind. WGs may be formed for organizational or marketing goals, as well as technical goals.

    The typical output of a working group is technical documentation AND working code, including interface definitions and standard proposals. +While this is the typical output, working groups are not constrained +to this model, and can have a variety of purposes and work products. We seek to promote the development of standardized interfaces, protocols, services, and tools with high quality, open reference implementations of each. We seek to have these standards be implementable without relying on particular proprietary intellectual property. We are not interested in discouraging development of -implementations that have excel in various ways through proprietary +implementations that have excelled in various ways through proprietary IP, but standards should not require the use of such IP and should -allow for multiple, interoperable implementations. -The Steering committee will be engaged in ratification of standards.

    +allow for multiple, interoperable implementations. The Steering +committee will be engaged in ratification of standards by actively +participating in the community review process and document evolution.

    7. Intellectual Property

    In general we want to promote the development, adoption and use of open technology. We want to avoid having the advancement of embedded networks getting trapped into proprietary IP. Accordingly, our IP -policy builds heavily on the IETF mode. We also want to avoid a high +policy builds heavily on the IETF model. We also want to avoid a high barrier to participation. Thus, we want to avoid demanding membership requirements that require extensive legal analysis and assessing deep strategic analysis before joining. In particular, IP pooling or broad @@ -660,13 +660,13 @@ work products that fundamentally depend on proprietary IP, i.e., where the proposal can only reasonably be implemented using such IP. Members recognize that in making proposals, they are required by Alliance rules to disclose what IP they know to be relevant. In the -rare cases where working group determine that IP dependent proposals -are sufficiently critical that they be pursued, such IP must be -available on reasonable and non-discriminatory (RAND) terms for the +rare cases where a working group determines that IP dependent +proposals are sufficiently critical that they be pursued, such IP must +be available on reasonable and non-discriminatory (RAND) terms for the Steering Committee to be able to approve the action.

    Of course, Intellectual Property in the TinyOS alliance is closely -tied to source licensing terms, as dicussed in greater detail in that -section. As part of Alliance rules, members agree to only check in +tied to source licensing terms, as dicussed in greater detail in Section 8. +As part of Alliance rules, members agree to only contribute code that conforms to Alliance source license policy. As part of keeping barriers to participation low, GPL and code based on potentially viral licensing terms must be carefully compartmentalized, @@ -684,19 +684,19 @@ with BSD and its more modern variants. We recognize several inherent tensions and trade-offs in formulating the source license.

    We want to give credit where credit is due. Fundamentally, the community moves forward by contributing valuable technology and -standing open each other's shoulders, not on their feet. Credit and +standing upon each other's shoulders, not on their feet. Credit and respect drive a virtuous cycle of technical advance. We do have several examples where companies, or even resarch institutions, have gained substantial benefit from the work of others while presenting it as their own. This concern is partially addressed by GPL, where if -you build upon the work of others you are oblicated to put it back in -the open. Apache addresses this issue by requiring acreditation of +you build upon the work of others you are obliged to put it back in +the open. Apache addresses this issue by requiring accreditation of the Apache foundation. However, this is connected with a stiff membership requirement of signing the copyright to Apache. -Participants make that sacrafice when they view the brand appeal +Participants make that sacrifice when they view the brand appeal associated with the Apache meritocracy as of sufficient value to -warrant the arrangement. Apache is also a losely affiliated -consortium of realtively localized projects, typically in very well +warrant the arrangement. Apache is also a loosely affiliated +consortium of relatively localized projects, typically in very well established technical areas. Our situation is different because we have many contributors to a cohesive whole and many of these contributors are at leading research institutions where copyright must @@ -705,7 +705,7 @@ leading edge of technology.

    We recognize that the TinyOS "brand" is of value and will be increasingly so as the Alliance becomes more formal. We do not want it tainted with its use as a marketing tool on inferior technology. -Thus, we want to connect the use of the term with membership, +Thus, we want to connect the use of the TinyOS term with membership, contribution, and conformance to Alliance rules and guidelines.

    We have the additional wrinkle that we are dealing primarily with embedded technology, which may have no visible user interface. And, @@ -719,18 +719,26 @@ institutions to agree to common language is impractical. We do, however, want to have as few distinct licenses with a little variation as possible. Fortunately, we are seeing convergence in licenses, after several years of proliferation.

    -

    To address these matters, the Alliance will have a -preferred source license based on the BSD framework and a -small set of accepted licenses, some of which have been gradfathered -in with the existing code base. -Contributions can be made using one of those accepted licenses, with -the member organization name changed appropriately. Organizations can -submit additional proposed licenses to the Steering Committee.

    +

    To address these matters, the Alliance has a preferred source license +based on the BSD framework, (the "new" BSD license approved by the +Open Source Initiative [BSD] ) and a small set of accepted licenses, some +of which have been gradfathered in with the existing code +base. Contributions can be made using one of those accepted licenses, +with the member organization name changed appropriately. +Organizations can submit additional proposed licenses to the Steering +Committee. In order to avoid the debate of what constitutes "open +source," the Steering Committee will generally only consider +licenses approved by the Open Source Initiative (OSI) for inclusion in +the core. However, being an +OSI-approved license is not a sufficient condition for approval +within the Alliance. If a contributor +wishes to use a completely new license, it can submit the license to +the OSI first.

    We will not require that the Alliance hold copyright of submitted source code, but that it conform to Alliance guidelines. These include guidelines for adding copyrights to existing sources.

    We will utilize the available development tools to facilitate the -generation of list of contributors associated with any particular +generation of a list of contributors associated with any particular instantiation of TinyOS components into an overall system, application, or distribution. We will provide tools for registering contributors, copyrights, and applicable source licenses on line, for @@ -745,16 +753,17 @@ means of enforcement create a adversarial culture with little practical advantage. Instead, the Alliance will utilize cultural norms and reputation as mechanisms for enforcing proper creditation. We will develop tools that make compliance relatively easy, reward -those that do so, and provide a complaint mechanism to identify misuse.

    -

    In taking this approach, we focus on needs of reference implementation -of standardized interfaces and protocols. Alliance is not the only -vehicle for producing a hardened, tested, certified code base. +those that do so, and provide a complaint mechanism to identify +misuse.

    +

    In taking this approach, we focus on needs of reference mplementations +of standardized interfaces and protocols. The Alliance is not the +only vehicle for producing a hardened, tested, certified code base. To do so would require the Alliance host a large technical staff, as -OSDL does. -Comapanies may do so, or produce implementations with enhanced -performance, reliability, or efficiency using their own proprietary -technology. The Alliance encourages such innovation while promoting -standardized interfaces that allows such technology to interoperate.

    +OSDL does. Comapanies may do so, or produce implementations with +enhanced performance, reliability, or efficiency using their own +proprietary technology. The Alliance encourages such innovation while +promoting standardized interfaces that allow such technology to +interoperate.

    9. Funding

    @@ -766,57 +775,52 @@ to be re-visited.

    As with the IETF, individuals are responsible for their own costs, which primarily involve meetings, travel, and generation of work products. The Alliance is predominantly a volunteer organization. -Membership participation will involve attendance at -Alliance meetings. Registration fees will be charged to cover costs -associated with adminstration of the meetings.

    +Membership participation will involve attendance at Alliance meetings. +Registration fees will be charged to cover costs associated with +adminstration of the meetings.

    To maintain the focus on technical excellence and meritocracy, we want to avoid the heavy-handed quid-pro-quo seen in many industrial consortiums where funding determines influence. The best use of funds and the best form of influence is direct contribution to the work -products of the Alliance. -To keep the structure of the Alliance and its operations minimalist -and lean, membership focuses on desired impact and recognition, rather -than control. We want the best way to influence the direction of the Alliance -to be to contribute technical work and demonstrate leadership, rather than -try to control what individuals can or cannot contribute.

    +products of the Alliance. To keep the structure of the Alliance and +its operations minimalist and lean, membership focuses on desired +impact and recognition, rather than control. We want the best way to +influence the direction of the Alliance to be to contribute technical +work and demonstrate leadership, rather than try to control what +individuals can or cannot contribute.

    Companies and institutions are encouraged to contribute financial and in-kind support. It will be essential that companies provide initial funding to create the legal structure and to establish basic IT -capabilities to host the web site and working groups. -Institutional members -will pay an annual membership fee. In some cases, a -contributing corporate member may provide in-kind services -such as lawyers' time used to -draw up or comment on by-laws. -Targeted contributions will be -solicited and encouraged. In this case the donator need not -become a contributing corporate member, e.g., in those cases -where such a membership may be prohibited or unwanted. -The costs of meetings, such as the TinyOS -technology exchange, will be covered through registration fees and -not by institutional membership fees.

    +capabilities to host the web site and working groups. Institutional +members will pay an annual membership fee. In some cases, a +contributing corporate member may provide in-kind services such as +lawyers' time used to draw up or comment on by-laws. Targeted +contributions will be solicited and encouraged. In this case the +donator need not become a contributing corporate member, e.g., in +those cases where such a membership may be prohibited or unwanted. +The costs of meetings, such as the TinyOS technology exchange, will be +covered through registration fees and not by institutional membership +fees.

    10. Work Products

    The broad mission of the Alliance calls for a broad range of work products.

    -

    Foremost among these are a set of TEPs documenting -systems and protocols as well as TEPs that provide guidance -and knowledge to the community. Technical documentation will have -robust and open reference implementations for the community to -use, refine, improve, and discuss. These reference implementations -will not preclude alternative, compatibile implementations which may -have additional features or optimizations. The Alliance Working Groups -will periodically produce periodic releases of these reference +

    Foremost among these are a set of TEPs documenting systems and +protocols as well as TEPs that provide guidance and knowledge to the +community. Technical documentation will have robust and open reference +implementations for the community to use, refine, improve, and +discuss. These reference implementations will not preclude +alternative, compatibile implementations which may have additional +features or optimizations. The Alliance Working Groups will +periodically produce periodic releases of these reference implementations for the community to use and improve.

    -

    The Alliance will support community contributions -of innovative extensions and systems by providing a CVS repository -to store them. -In order to keep these contributions organized for users, the -Steering Committee may nominate one or more people to caretake -the repository by setting minimal guidelines for the use of -the directory structure and migrating code as it joins the core -or falls into disuse.

    +

    The Alliance will support community contributions of innovative +extensions and systems by providing a CVS repository to store them. +In order to keep these contributions organized for users, the Steering +Committee may nominate one or more people to caretake the repository +by setting minimal guidelines for the use of the directory structure +and migrating code as it joins the core or falls into disuse.

    To make these technological resources more accessible and useful to a broad embedded networks community, the Alliance will be dedicated to providing a set of educational materials. This @@ -836,13 +840,12 @@ as tools and graphical environments.

    11. Conclusions

    By focusing on consensus building and technical excellence, the Alliance seeks to avoid being a forum for political and economic -positioning. It will achieve this by focusing on working groups -and the contributions of individuals, while not taking strong -positions on the benefits or drawbacks of different approaches. -The variety of application domains sensornets are used in and -the huge differences in requirements mean that having a suite -of solutions, rather than a single one, is often not only -desirable but essential.

    +positioning. It will achieve this by focusing on working groups and +the contributions of individuals, while not taking strong positions on +the benefits or drawbacks of different approaches. The diverse +requiremements of sensornet applications mean that having a suite of +solutions, rather than a single one, is often not only desirable but +essential.

    Over the past five years, low-power embedded sensor networks have grown from research prototypes to working systems that are being actively deployed. Furthermore, there is a vibrant research community @@ -862,22 +865,30 @@ set of expectations that will encourage the exchange of ideas and technology.

    -

    12. Author's Address

    +

    12. Authors' Address

    -
    Philippe Bonnet <bonnet.p@gmail.com>
    -
    David Culler <culler@cs.berkeley.edu>
    -
    David Culler <dculler at archrock.com>,
    -
    Deborah Estrin <destrin@cs.ucla.edu>
    -
    Ramesh Govindan <ramesh@usc.edu>
    -
    Mike Horton <mhorton@xbow.com>
    -
    Jeonghoon Kang <budge@keti.re.kr>
    -
    Philip Levis <pal@cs.stanford.edu>
    -
    Lama Nachman <lama.nachman@intel.com>
    -
    Jack Stankovic <stankovic@cs.virginia.edu>
    -
    Rob Szewczyk <rob@moteiv.com>
    -
    Matt Welsh <mdw@cs.harvard.edu>
    -
    Adam Wolisz <awo@ieee.org>
    +
    Philippe Bonnet <bonnet.p at gmail.com>
    +
    David Culler <dculler at archrock.com>
    +
    Deborah Estrin <destrin at cs.ucla.edu>
    +
    Ramesh Govindan <ramesh at usc.edu>
    +
    Mike Horton <mhorton at xbow.com>
    +
    Jeonghoon Kang <budge at keti.re.kr>
    +
    Philip Levis <pal at cs.stanford.edu>
    +
    Lama Nachman <lama.nachman at intel.com>
    +
    Jack Stankovic <stankovic at cs.virginia.edu>
    +
    Rob Szewczyk <rob at moteiv.com>
    +
    Matt Welsh <mdw at cs.harvard.edu>
    +
    Adam Wolisz <awo at ieee.org>
    +
    +
    +

    13. Citations

    + + + + + +
    [BSD]http://www.opensource.org/licenses/bsd-license.php