Over the last decade enterprises have invested heavily in IT systems to support their growing business needs. However, this has increased the complexity of system integration and forced companies to invest more heavily in ongoing  maintenance. Annually 65 –70% of the IT budget is allocated to cover these costs. Today, companies are revisiting their IT strategy and looking for ways to consolidate their IT in order to reclaim this investment and support future growth. The need for IT consoli (…) Więcej »

Właśnie otrzymałem e-mail o świetnej promocji, nie trzeba niczego kupować, wydawać ani centa, a nawet nie ma potrzeby rejestracji, możemy otrzymać darmowy dostęp do publikacji (przynajmniej do końca czerwca 2010): ITIL, Prince2, Managing Successful Projects, Managing Sucessful Programmes, P3O, …Myślę, że warto (…) Więcej »

[Contributed by Stanisław Kulczycki] In my last post, I outlined considerations that need to be taken into account when choosing between a centralized and federated security model. So, how do we implement the chosen model? Based on a real-world case study, I will outline a Kerberos architecture that enables cutting-edge collaborative research through federated sharing of resources. This is an extract from the full article which can be downloaded here. ContextThe IT infrastructures of two Instit (…) Więcej »

Enterprises want to protect their data. As the appetite for data volumes grows, storage technology becomes a critical business asset on which business continuity relies. My recent survey in the medium-size enterprise segment shows the five dominant investment directions at the level of data management architecture: disaster recovery (DR), high availability (HA), backup, data processing performance and migration to more advanced databases. This suggests that corporations generally have sufficie (…) Więcej »

EESTEC LC KRAKÓW ma przyjemność zaprosić wszystkich na warsztaty KrakYourNet2 Network Security Spring Workshop 201. (more…)

How to price a High Availability (HA) architecture to provide both business continuity and disaster recovery of a database-oriented software stack? This post focuses on a customer’s backend, comprised of a business application stack supported by a dozen Oracle databases. They wish to equip this infrastructure with HA features. This will enable business continuity by employing real-time data replication to a redundant node in another location should failure occur. We need to price the complete so (…) Więcej »

[Contributed by Dominik Szwiec] Why migrate your database? Efficiency and availability problems are harming your business – reports are out of date, your batch processing window is nearing its limits, outages (unplanned/planned) frequently halt work. Database consolidation – remove the costs that result from a heterogeneous database environment (DBAs time, database vendor pricing, database versions, hardware, OSs, patches, upgrades etc.). OK, so the driving forces for migration are clear,  (…) Więcej »

Obecnie jestem pochłonięty moimi studiami podyplomowymi (o których wkrótce napisze) i powtórką materiału przed egzaminem do certyfikacji ITIL Service Manager. W poście zestaw flashcards na bieżąco rozbudowywany przeze mnie, który ma mi pomóc opanować materiał do egzaminów IT Sevice Manager.Poniżej zestaw flashcards, (…) Więcej »

[Contributed by Stanisław Kulczycki] BigDataMatters is focused on the issues faced when processing and managing large amounts of data. In light of this, it would be a crime not to blog about the security of this data. Over the next few weeks, I will write a series of posts focused on Identity management in the enterprise. Before you read any more, how is your identity secured?

Does your working day start with logging into your workstation? Then your email with another user ID and password, and (…) Więcej »

[Contributed by Sebastian Czechowski] Thecase for in-memory databases (IMDB) can be made in three simple points (1)performance - data is kept in RAM so no disk I/O limitations (2) HAwith built in fail-over (3) support for relational schema and SQL.Current disk based RDBMS can run out of steam when processing largedata. Can these problems be solved by migrating from a disk basedRDBMS to an IMDB? Any limitations? To find out, I testedone of each from the two leading vendors who together hol (…) Więcej »

W czwartek, 26 listopada odbyło się walne zgromadzenie członków it SMF Polska (a raczej jeszcze cały czas it SMF PL), w którym miałem przyjemność uczestniczyć.Głównym celem spotkania było wprowadzenie zmian w statucie stowarzyszenia, które miały usprawnić jego funkcjonowania i ułatwić działalność kolejnemu Zarządowi (…) Więcej »

[Contributed by Wolfgang Gentzsch] WolfgangGentzsch, Senior Strategist at GridwiseTech, Open Grid Forum,and EU Project DEISA

Now thatwe have a new computing paradigm, Cloud Computing, how can Cloudshelp our data? Replace our internal data vaults as we hoped Gridswould? Are Grids dead now that we have Clouds? Despite all thepromising developments in the Grid and Cloud computing space, and theavalanche of publications and talks on this subject, many peoplestill seem to b (…) Więcej »

[Contributed by Kevin Glenny] Companies earnings outstrip forecasts, consumer confidence is retuning and city bonuses are back. What does this mean for business? Growth! After the recent years of cost cutting in IT budgets, there is the sudden fear induced from increased demand. Pre-existing trouble points in IT infrastructures that have lain dormant will suddenly be exposed. Monthly reporting and real time analytics will suffer as data grows. IT departments across the land will be crying out “T (…) Więcej »

Zauważyliście pewnie, że dawno nie pisałem, jest to związane między innymi z tym, że zaangażowałem się w projekt blogowania korporacyjnego dla mojego pracodawcy. Pierwszy post już został opublikowany, co lubię w nowej wersji ITIL - spojrzenie na ITIL w wersji trzeciej z punktu widzenia komercyjnego dostawcy usług IT (…) Więcej »