User talk:Bluezy

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[edit] Another Question

Hi - you keep removing our external link from DIAMETER page www.openAAA.org - we are offering an Open Source GPL Diameter implantation Why do you remove us ? It's the same as opendiameter and jdiameter that you approve of as external link and much more community friendly than CISCO which you have under external links.

I hope you will enable us to be on the external links or supply us with some explanation

Traffix Systems (real name behind openAAA.org and open3gpp.org) is a commercial supplier of a Diameter stacks and applications. The fact that they publish their code as opensource is no reason to include it in Wikipedia. Wikipedia is a not a directory service (see WP:NOT). OpenDiameter.org is inside because it serves as a reference implementation (although not a good one). A customer that wants to implement an application server is more than capable enough to look up the various stacks offered, whether opensource or not, and make their choice.

And there's no link to Cisco software anyway, just a whitepaper explaining the difference between Radius and Diameter.

--Bluezy 19:39, 28 July 2007 (UTC)

[edit] Another Question

You've remohved link to Linkbit Online Protocol Decoder from several pages. Why ? I consider this free resource extremely useful to community. Wiki is not a link farm and generally links are just ads and should be removed, but this link is exactly the opposite case. Mitra 9 Nov 2006 (UTC)

--Bluezy 13:57, 10 November 2006 (UTC) Wikipedia is an encyclopedia, it's not a collection of links (as you say). Don't forget that Linkbit is a commercial company - it's still an ad ! It's not because it's free, that it should be included. And I don't agree that it's useful, especially not for the general public. SIP ... maybe. But decoding SIGTRAN, GSM, TCAP, ... ????? The public of developers that might find it useful is extremely limited. They don't need any help in finding this resource.

PS : I am one of those developers actually, I works for the second biggest telecom supplier.

Reply: --Mitra 10 Nov 2006

Well, we have to agree to disagree. We see statistic on our server which prove that people coming from wikipedia indeed use our decoder and come back many times over. BTW, SIP is a text based protocol and as such could be read without special tools, as opposed to SIGTRAN, GSM, TCAP etc. There are many developers in the world who still work with these protocols, and there messages couldn't not be easily deciphered without a tool. One example would be ASN.1 based protocols. Linkbit has the only _working_ tool on the web which allows decoding many of these protocols starting from different layers, and this is done freely without even asking for a registration, fully anonymously. Believe it or not, but we have people using our decoder from all major telecom manufacturers every day. And last, but not list. Why do you find our link more objectionable then links to commercial products which are plentiful on the pages in question?

Can I draw your attention to the discussion on this same subject at [1] (which is my Talk page). That discussion actually references this-one. JanCeuleers 12:08, 26 November 2006 (UTC)

[edit] Few questions

Hi. You said, that you have some expirience with a real IMS system. I have an interest in IMS, and I want to understand an IMS concepts deeply. So, I have a questions, on what I hope you have an answer. Thanks.

• Which of the IMS nodes contains information about the user status. I mean - user location, user availability and other information that can change with a time. Is it HSS?
• About AS layer. Can AS application store extended data in the HSS?
• About AS layer. Is there any other wrappers over the SIP AS, like a OSA/Parlay and CAMEL (IM SSF)?
• What node is responsible for security rights?
• Can you advise a good book or other print material, related to this topic?

Reply: --Bluezy 21:37, 31 July 2006 (UTC)

- question 2: the HSS can be used to store data on behalve of the I-CSCF and S-CSCF (thru Cx and Dx interfaces) and also for other application server (using the sh interfaces)

- question 1: user availability, etc ... is stored inside the HSS (a database). But a copy is also present in memory of the SCSCF that is assigned to the user, for fast access. Even if the SCSCF crashes, the data would still be safe. User location is not part of the core IMS, but it can be implemented in an AS. SIP itself doesn't have standardized headers for it (except P-Access-Network-Info). More accurate info can be found in cellular networks (GPS-coordinates), but must be found using other means (f.i. CAMEL). Sometimes, it's the AS that does it, but most often it's done by the HSS directly, for historical reasons. But the AS can retrieve it thru the SH interface.

- question 3: it's not a wrapper over SIP, but yes, application servers can use other API's to do tasks that can't be done in SIP (like location info above). OSA/Parlay and CAMEL are standard, but there are others too.

- question 4: IPSEC is terminated in the P-CSCF, under control of the S-CSCF (authentication is done in HSS)

- question5: a good book is The 3G IP Multimedia Subsystem (IMS): Merging the Internet and the Cellular Worlds, by Gonzalo Camarillo, Miguel-Angel García-Martín

Reply: --Alny Thanks for your answer.

On your answer you are use a references to the term "interfaces". But I can't find the list of all possible IMS interfaces in the [IP_Multimedia_Subsystem|IMS] article. I think, it may be usefull to put a schema http://upload.wikimedia.org/wikipedia/en/6/6f/Ims_architecture.JPG into this article?

[edit] Another question

Hello Bluezy. May I ask you one more question on IMS?. Question is: As I understand, there are 2 SIP's standards: IETF SIP and 3GPP SIP, that based on the IETF SIP. I can't find information, what is a main difference between them. And can I learn the SIP protocol using IETF RFC's or it is a bad way, because 3GPP use it's own extension? So, can you shortly describe this difference?

Reply: --Bluezy 16:45, 19 September 2006 (UTC) 3GPP SIP is the same as IETF SIP, but with a few refinements. Most of them can be found in RFC 3455 (which adds a few extra headers), some other parts can be found in various parts of the 3GPP documents (mostly mandatory support for a few features). A standard off-the-shelve SIP-phone can't claim IMS compatibility, they'll have a bit of work to do (support for AKA, IPSEC, SIGCOMP, RFC 3455, etc ....). In my work the biggest difference that I've seen, is that a normal SIP-phone implements HTTP-Digest authentication (based on a password), while an IMS phone should support AKA-Digest (based on a USIM or ISIM card). The rest are more advanced features : an IMS phone might support presence and instant messaging, while they are often missing on a normal SIP phone.

[edit] The 2nd question regarding this issue:=

Hi Bluezy,

As above, IMS uses SIP version which is a refinement of IETF SIP, and at this time they have difficulties to interoperate. So the problem here is that if I have an IMPU for my mobile phone at my office (called user@ims.com) and an I also have a (IETF) SIP ID called user@sip.com for that same mobile phone at home, subscribed to a IP-Telephony system. When I'm at home, I want to receive calls addressing to my office IMPU (i.e. user@ims.com) at my pure (IETF) SIP ID (i.e. user@sip.com) on the same mobile phone => I have to forward the calls between different identities (IMS and pure SIP), something that is called identity federation! So could you tell me the idea how to do this? Sotruot (talk) 10:22, 4 March 2008 (UTC)

[edit] And yet another question

So, it's me again. And I have another question related to IMS security and IMS authorization. Question is:

Can IMS element, for example IMS Application Server (AS), trust to the FROM URI, from the SIP message header, that comes from a client? In other words - can user, or some client app, modify this URI in a client level, and send wrong SIP request?

And if the answer on a first question is "AS can trust", than another question - Who is responsible for SIP messages authority check? Is it P-CSCF?

Reply: --Bluezy 16:17, 20 October 2006 (UTC)

The P-CSCF and the S-SCSCF work together to check for these case. See RFC 3325 : the P-asserted-identity header will be added by the P-CSCF, and shows the *real* identity of the user. The P-CSCF can be sure that the user is real, since it has an IPSEC connection to the client, or the transmission was running over an encrypted channel (in mobile networks). The S-CSCF and AS trust the P-CSCF in this matter. The S-CSCF can also (optionally) replace the From-header on the fly, if needed. And it can guard against modifications by a rogue AS for instance (it's always present in the path). But in general, the From-header should not be trusted at all.

P-asserted-identity is also used when hiding your identity, in which case the From-header would be "sip:anonymous@anonymous.invalid". The header will be passed only to trusted network elements (including server from other networks), so it can it can be for lawful intercept and such (that's how the government can find out your identity, even when dialing without CLID) but will not reach the user on the other end.

[edit] Image:Alcatel 5020.jpg listed for deletion

Ok, I guess it was a wrong license. Note the the popup to select one is really difficult to use. I reuploaded the image with the promotional tag. Note: I do work for Alcatel (and I'm a developer for the 5020 !), and the image is taken from our stack of images to use in press releases, user documentation, etc... It's also visible on the Inete, for instance http://www.alcatel.ru/products/fixed/all/phone-networks/a5020/ --Bluezy 22:32, 3 January 2007 (UTC)

[edit] Orphaned fair use image (Image:Alcatel 7750 SR12.jpg)

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[edit] IMS apps

Please could you have a look at Talk:IP Multimedia Subsystem? Thanks. JanCeuleers 14:46, 11 April 2007 (UTC)

[edit] Your edit to Paging

Is there a reason that the link to computer should not be in that sentence? ~Enviroboy^Talk_Contribs - 22:29, 22 April 2007 (UTC)

That's not what I was reverting. I reverted the entire paragraph for the vandalism, but TW got confused. Mid-air collision? --Bluezy 22:34, 22 April 2007 (UTC)

Oh. That's the third time that has happened. Glad we got it cleared up. ~Enviroboy^Talk_Contribs - 22:42, 22 April 2007 (UTC)

[edit] 3RR

You currently appear to be engaged in an edit war according to the reverts you have made on User talk:74.109.26.185. Note that the three-revert rule prohibits making more than three reversions in a content dispute within a 24 hour period. Additionally, users who perform a large number of reversions in content disputes may be blocked for edit warring, even if they do not technically violate the three-revert rule. If you continue, you may be blocked from editing. Please do not repeatedly revert edits, but use the talk page to work towards wording and content which gains a consensus among editors. Thank you. -Amatulic 20:29, 23 April 2007 (UTC)

[edit] Keep goin'

Revert that guy, 87.101.240.7, or I'll violate the 3rr. --Pupster21 Talk To Me 12:09, 4 May 2007 (UTC) Note to self: see history of Michael Bloomberg

[edit] re: removal of edits

The last thing on my mind was spamming or providing inappropriate content. But you have to agree that it does not appear to be a very consistent application of publishing rules that en.wikipedia.org/wiki/Global_warming lists and links close to 100 articles mostly scientific in nature (from which i took the specific type of referencing via REF tags), and on the Google Earth page it seems to be considered spam. Or why a free academic article raises concerns while various links to pages that include advertising in the reference section seem to be OK. By the way, there is also a broken link on the page, but I will refrain from further editing (earth.google.com/coverage/coverage_list.pdf). Ecoresearch 19:17, 8 May 2007 (UTC)

[edit] Thanks :-)

... for reverting the vandalism to my userpage! Mentality 13:43, 9 May 2007 (UTC)

[edit] Thanks!

Thanks for reverting the vandalism on my userpage today. Chriswiki 15:37, 16 May 2007 (UTC)

[edit] Turkish Armed Forces

Thanks for your help on this page! I'm not sure what to do with this debate, as Flavius seems pretty entrenched. Just an article to keep our eyes on for a time... Hiberniantears 21:05, 21 May 2007 (UTC)

[edit] Joshua Levy

I am Joshua Levy so i guess i can do whatever i want to my page. come on man. dont be so uptight.

Reply: that's what a USER PAGE is for, not an article. --Bluezy 15:54, 29 May 2007 (UTC)

[edit] What the hell

Why did you revert my edits? What was wrong with them? --Msiladnav etaerc I 10:03, 4 July 2007 (UTC)

Because you vandalized the German New Guinea article. Just look at the changes :

- Colony of North Korea - changed the flags of the Treaty of Versailles members - common languages : Russian (official), Swedish, Welsh, Uzbek - nonsense text about a land full of rabbits

--Bluezy 10:10, 4 July 2007 (UTC)

You just did a second time, I'm reporting you. --Bluezy 10:12, 4 July 2007 (UTC)

[edit] Unspecified source for Image:Alcatel_5020.jpg

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[edit] OrionTheMetalhead

Actually, you didn't have to revert because he can blank it if he wants. Cheers,JetLover (Report a mistake) 22:04, 13 September 2007 (UTC)

[edit] IMS

Wrt your insistence on your Early IMS sentence on the IMS page. At a logical level, anyone can create an implementation and call it whatever they want, even for IMS. The wording in the paragraph at the introduction *already* says that "it is not clear how much of IMS will be deployed" - and caters for the fact people will implement or deploy what they want. Ipv4 is a IMS capability so people are fully entitled to implement it! The issue that I have with what you are doing is that over several versions of what you are writing you are implying that "early ims" is a particular beast. Most vendors are putting out boxes that have things missing in them ... are they this formal early IMS you talk about? With MMS, there were teething issues and problems and people talked about early mms systems these had interoperability issues and did not implement many features - and still today many features are not implemented. If someone "deploys" Ipv6 and full security but leaves out other logical entities are they deploying "early ims"? How is it different to "pre-ims"? Bottom line, in 3GPP when we refer to "early ims" (actually rarely now) we have a particular context and what you say here is misleading general readers. If you want, we can talk at the next 3GPP meeting about this. —Preceding unsigned comment added by 194.72.92.36 (talk) 11:31, 14 September 2007 (UTC)

PS: I stumbled acroos your comment on the proxy page. So I repeat my comment here "Oh dear, I can now see that you are not actually personally involved in standardisation. Read 23.221 carefully it talks about "Early IMS implementations" and have a chat with your standards guys ask them when "early" is no longer "early" ;o) A hint ... how many years before IPv6 becomes prevalent?! Any how this is an aside and I repeat 3GPP does not define an Early IMS - it makes no logical sense to do so and your comment on the page is misleading the general reader. If 3GPP tried to do this there would be an uproar, already there are problems and issues with IMS going in different directions and companies are trying to rein this in ...."

Wikipedia is not a 3GPP forum. Early IMS and Full IMS are not defined at all by 3GPP. The only references are in those TS and TR documents, where they're basically only concerned with IPv4/IPv6 and the security issues. Ofcourse, there will be IMS networks that only use IPv4, and still claim to be "full IMS" or "IMS compliant" or whatever. In fact, I don't really see any IPv6 implementation in the near future, at least not for the networks that I know.

What's more important is what the different releases are, and that you can claim that your device is R& compliant. There might be a few things missing like Ipv6 support, but that's less important. What's important is that vendors have to decide if they're going to support IPv4, IPv6 or both. Yes, Virginia, I expect that most be will be stuck in IPv4 mode. That used to be called "early IMS" in a few documents (when they expected that it was only a transition phase), but most networks will stay in that mode. But since "early" and "full" are never really defined, you can't claim which network is "fuller" than the other. Who cares, that's just marketing mumbo-jumbo. Just install what the customer really wants.

But as long as 3GPP doesn't write any definitions, we have to use the ones with are *currently* published. Even if we both know that it won't be like that in the future.

PS : I'm never at 3GPP meetings. Talk to Leonardo Finizola if you know him. --Bluezy 10:03, 15 September 2007 (UTC)

[edit] AfD nomination of Axis plans for invasion of the United States during WWII

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[edit] Orphaned non-free media (Image:Alcatel 5020.jpg)

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[edit] Advanced Telecommunications Computing Architecture

How do I stop 62.90.163.113 from undoing my work? I made significant contributions to this article and posted the original pictures. 62.90.163.113 keeps replacing the original pictures with pictures from his company, ASIS. --Sun-collector 18:17, 4 February 2008 (UTC)

[edit] Speedy deletion of Template:ADSL standards

A tag has been placed on Template:ADSL standards requesting that it be speedily deleted from Wikipedia. This has been done under section T3 of the criteria for speedy deletion, because it is a deprecated or orphaned template. After seven days, if it is still unused and the speedy deletion tag has not been removed, the template will be deleted.

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Thanks. --MZMcBride (talk) 02:41, 3 March 2008 (UTC)

[edit] Aww...

Why did you have to remove my edit for Xbox? Didn't you think it was funny? :( —Preceding unsigned comment added by 121.220.23.208 (talk) 09:17, 10 May 2008 (UTC)

[edit] uk,

tf,lyf,lfy —Preceding unsigned comment added by 124.180.41.53 (talk) 10:22, 10 May 2008 (UTC)