Gnutella2 Standard - Revision history

FrYGuY: rvv

2006-01-16T16:54:45Z

rvv

← Older revision		Revision as of 16:54, 16 January 2006
Line 83:		Line 83:
	* HTTP/1.1 based upload system, URN based requesting, partial content requests, active queuing, partial file uploading, timestamp protected alternate source cache and exchange		* HTTP/1.1 based upload system, URN based requesting, partial content requests, active queuing, partial file uploading, timestamp protected alternate source cache and exchange
	* [[TigerTree]] volume calculation on shared files, caching on downloads, exchange via [[DIME]]. Local corruption detection OPTIONAL but recommended.		* [[TigerTree]] volume calculation on shared files, caching on downloads, exchange via [[DIME]]. Local corruption detection OPTIONAL but recommended.
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Serginandr at 06:36, 6 January 2006

2006-01-06T06:36:59Z

← Older revision		Revision as of 06:36, 6 January 2006
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	* HTTP/1.1 based upload system, URN based requesting, partial content requests, active queuing, partial file uploading, timestamp protected alternate source cache and exchange		* HTTP/1.1 based upload system, URN based requesting, partial content requests, active queuing, partial file uploading, timestamp protected alternate source cache and exchange
	* [[TigerTree]] volume calculation on shared files, caching on downloads, exchange via [[DIME]]. Local corruption detection OPTIONAL but recommended.		* [[TigerTree]] volume calculation on shared files, caching on downloads, exchange via [[DIME]]. Local corruption detection OPTIONAL but recommended.
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FrYGuY: Reverting vandalism... again...

2005-12-28T09:08:28Z

Reverting vandalism... again...

← Older revision		Revision as of 09:08, 28 December 2005
Line 83:		Line 83:
	* HTTP/1.1 based upload system, URN based requesting, partial content requests, active queuing, partial file uploading, timestamp protected alternate source cache and exchange		* HTTP/1.1 based upload system, URN based requesting, partial content requests, active queuing, partial file uploading, timestamp protected alternate source cache and exchange
	* [[TigerTree]] volume calculation on shared files, caching on downloads, exchange via [[DIME]]. Local corruption detection OPTIONAL but recommended.		* [[TigerTree]] volume calculation on shared files, caching on downloads, exchange via [[DIME]]. Local corruption detection OPTIONAL but recommended.





























































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Mark1985 at 18:21, 26 December 2005

2005-12-26T18:21:16Z

New page

== What is the Gnutella2 Standard? ==

The Gnutella2 Standard is a set of requirements for building applications which
operate with the [[Gnutella2 Network]] in different capacities. For example, the
Gnutella2 Standard for File Sharing specifies a set of features and behaviours which
must be available in any Gnutella2-connected file-sharing product offered to the
public.

== Why is a Standard Needed? ==

As an open, general purpose platform, Gnutella2 networks must be able to operate
with a diverse family of different implementing applications. Every effort has been
made to limit the ill-effects a non-compliant application can cause (deliberately or
accidentally), however, when it comes to critical features such as common URN
schemes and character encodings, minimum standards help to ensure a favourable
baseline user experience.

== How are Standards Enforced? ==

The open and transparent nature of the Gnutella2 architecture makes technical
enforcement difficult, so a more viable (and hopefully, more productive) social
scheme has instead been adopted. Only applications meeting the appropriate
Gnutella2 Standard may be marked as "Gnutella2-compliant". Websites containing
information about Gnutella2 (such as gnutella2.com) are encouraged to list only
compliant applications, and application developers are encouraged to deny
communications with known non-compliant applications. Applications which do not
comply with the standard, or are still in the development process, should never be
made available to the public, however, private testing is always encouraged.

== How are Applications Tested? ==

Ultimately, it is the responsibility of the developer to ensure their own application
complies with the relevant standards, both with respect to Gnutella2 and any other
functionality they may be including. However, as an inter-dependent community,
developers of Gnutella2-compliant applications are encouraged to take an interest in
other Gnutella2 applications, and where possible, examine them for compliance.
Similarly, new developers are strongly encouraged to seek assistance from other
developers in verifying their work. This need not compromise competitive advantage
- if the application is sensitive, the important compliance testing phase can be
performed in the days prior to release.

== What Standards are Available? ==

At the current time, only one Gnutella2 standard has been published: the Gnutella2
standard for File Sharing Applications. Additional standards for other
application classes will be published in the future as required.

Developers of new application classes are operating in somewhat untried territory,
and should review the existing published standards for best practices which can be
borrowed. In particular, the basic components of the Gnutella2 network architecture
should always be implemented in full.

== Common Gnutella2 Standard (All Applications) ==

All applications making use of Gnutella2 technology for any application class MUST
IMPLEMENT the following core features:

* Bidirectional TCP stream connections (stream compression OPTIONAL)
* Bidirectional reliable UDP protocol (Gnutella2 reliability layer and stateless compression REQUIRED)
* HTTP-style link negotiation, exchanging at least the required headers
* Gnutella2 protocol support, graceful handling of unknown trees
* Localised, UTF-8 and UNICODE decode REQUIRED, encoding to each optional
* Operation in LEAF mode, additional node states OPTIONAL
* Basic link handshaking and maintenance functionality (PI/PO/LNI/KHL)
* Global node addressing scheme and routing maintenance, addressing children (TO)
* Reverse (PUSH) connection response (connecting out)
* HTTP/1.1 client and server for peer to peer transactions

== Gnutella2 Standard for File Sharing ==

Applications making use of Gnutella2 technology for file sharing MUST IMPLEMENT
the following features:

* All of the COMMON features listed in the previous section
* Operation in LEAF mode, additional node states OPTIONAL
* Some form of bandwidth management scheme, to keep network and transfer bandwidth below 95% of the user's link capacity - be it manually configured or some automatic scheme (very important to avoid flooding local connection)
* [[SHA1]] and TIGER ROOT [[URN]]s for all shared objects
* XML metadata, using existing schemas where appropriate (manual entry and peer acquired at minimum, automatic local collection highly recommended, service lookup optional)
* Universal 1-bit query hash filter, at least 2^20 length, intelligent density management scheme (superset combination required if supporting hub mode)
* Gnutella2 object search mechanism, all client responsibilities and if supporting hub mode, server responsibilities too
* Local search processing, including simple query language (Boolean operations, quoted search terms, numeric range searches, interest flagging (I), local rulebased metadata searching)
* Extensible hit format (URN/DN/MD/URL are REQUIRED, all other extensions OPTIONAL)
* HTTP/1.1 based upload system, URN based requesting, partial content requests, active queuing, partial file uploading, timestamp protected alternate source cache and exchange
* [[TigerTree]] volume calculation on shared files, caching on downloads, exchange via [[DIME]]. Local corruption detection OPTIONAL but recommended.

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Kynilyator at 11:17, 18 December 2005

2005-12-18T11:17:25Z

← Older revision		Revision as of 11:17, 18 December 2005
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	* HTTP/1.1 based upload system, URN based requesting, partial content requests, active queuing, partial file uploading, timestamp protected alternate source cache and exchange		* HTTP/1.1 based upload system, URN based requesting, partial content requests, active queuing, partial file uploading, timestamp protected alternate source cache and exchange
	* [[TigerTree]] volume calculation on shared files, caching on downloads, exchange via [[DIME]]. Local corruption detection OPTIONAL but recommended.		* [[TigerTree]] volume calculation on shared files, caching on downloads, exchange via [[DIME]]. Local corruption detection OPTIONAL but recommended.








































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Dcat at 14:48, 14 December 2005

2005-12-14T14:48:06Z

← Older revision		Revision as of 14:48, 14 December 2005
Line 83:		Line 83:
	* HTTP/1.1 based upload system, URN based requesting, partial content requests, active queuing, partial file uploading, timestamp protected alternate source cache and exchange		* HTTP/1.1 based upload system, URN based requesting, partial content requests, active queuing, partial file uploading, timestamp protected alternate source cache and exchange
	* [[TigerTree]] volume calculation on shared files, caching on downloads, exchange via [[DIME]]. Local corruption detection OPTIONAL but recommended.		* [[TigerTree]] volume calculation on shared files, caching on downloads, exchange via [[DIME]]. Local corruption detection OPTIONAL but recommended.
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Bounty at 02:01, 14 December 2005

2005-12-14T02:01:09Z

← Older revision		Revision as of 02:01, 14 December 2005
Line 83:		Line 83:
	* HTTP/1.1 based upload system, URN based requesting, partial content requests, active queuing, partial file uploading, timestamp protected alternate source cache and exchange		* HTTP/1.1 based upload system, URN based requesting, partial content requests, active queuing, partial file uploading, timestamp protected alternate source cache and exchange
	* [[TigerTree]] volume calculation on shared files, caching on downloads, exchange via [[DIME]]. Local corruption detection OPTIONAL but recommended.		* [[TigerTree]] volume calculation on shared files, caching on downloads, exchange via [[DIME]]. Local corruption detection OPTIONAL but recommended.
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FrYGuY: reverting spam

2005-12-12T01:56:18Z

reverting spam

Show changes

Lizator at 01:08, 12 December 2005

2005-12-12T01:08:38Z

Show changes

FrYGuY at 04:43, 18 May 2005

2005-05-18T04:43:31Z

← Older revision		Revision as of 04:43, 18 May 2005
Line 66:		Line 66:
	* Reverse (PUSH) connection response (connecting out)		* Reverse (PUSH) connection response (connecting out)
	* HTTP/1.1 client and server for peer to peer transactions		* HTTP/1.1 client and server for peer to peer transactions

	~~----~~

	== Gnutella2 Standard for File Sharing ==		== Gnutella2 Standard for File Sharing ==