Oh and on a side note, never have I seen facebook directly disclose its infrastructure. Yes there are rumours it uses a mySQL database however I say that (a) it is a rumour and (b) it would be highly modified.
On Wed, May 18, 2011 at 9:09 AM, Bren Norris <[email protected]>wrote: > Here's one for you guys. > > Blizzard, the entertainment guru's had the following appear on their > website which is ample evidence to suggest they are using LDAP for their > member infrastructure. > http://us.battle.net/sc2/en/forum/topic/2325095821 > > What emmanual has said is correct, sensitive infrastructures aren't openly > discussed. > > That reflects an infrastructure of users which includes all the players of > "Starcraft II", "World of Warcraft" (16.7 million users) So there you go, > now in the multiples of millions and outside the hundreds of thousands with > a subscription value of over $334 million USD. > > ;) > > > > On Wed, May 18, 2011 at 8:57 AM, Emmanuel Lecharny <[email protected]>wrote: > >> On 5/17/11 11:54 PM, Manoj Khangaonkar wrote: >> >>> Hi , >>> >> Hi, >> >>> I am evaluating LDAP in general (Apache DS as possible LDAP) for use >>> as a user repository to be used for authentication /authorization for >>> a large scale web application. >>> >>> The choice is RDBMS vs LDAP vs NoSQL. >>> >> It's not really a choice. LDAP is the only pristine solution when it comes >> to manage authentication and authorization. Using a RDBMS or a NoSQL system >> implies you build a authn/authz solution on top of it (I'm not talking about >> LDAP over a RDBMS) >> >> I am well aware that LDAP is used by large enterprises. These >>> enterprises have typically thousands of users. >>> >> Hundred of thousands, and I have seen big telco companies using LDAP for >> more than 70 000 000 users... >> >> >> But have not seen it referenced in large scale web application >>> architectures - such as those at google , facebook, linkedin which >>> deal >>> with millions of users. ( They might be using ldap but I have not seen >>> anything on the web that says they do) >>> >> >> Probably because they don't necessarily want to expose such a sensitive >> part of their IT, but most certainly because they need a highly replicated >> system. >> >> Can LDAP in general and Apache DS in particular scale to millions of >>> users ? >>> >> Base line, yes. Dealing with millions of users is not really an issue. >> What is important here is not the number of users, but much more the >> operation per second you want to process on the LDAP server. On a laptop, >> OpenLDAP currently deal with up to 10 000 authentication *per second*, and >> with ApacheDS, last time I conducted a test (last year), it was around 4 500 >> authentication per second. >> >> >> Are there any blogs/articles on web that talk of LDAP use in >>> architectures of very large scale. >>> >> Not that I know of. But the next LDAP conference (in Germany, >> http://www.daasi.de/ldapcon2011/) might see some talks about such a >> thing. >> >> Hope it helps. >> >>> thanks >>> >>> >> >> -- >> Regards, >> Cordialement, >> Emmanuel Lécharny >> www.iktek.com >> >> >
