Tech M&A deals of 2011

Our running list of buyouts and mergers in IT for the year

A summary of who did the buying, who got bought, how much they went for and why. We'll be updating as more deals are made.

Past M&As:

Hottest tech M&A deals of 2010

Hottest tech M&A deals of 2009

Hottest tech M&A deals of 2008

VMware buys Digital Fuel Technologies

Why: VMware says it bought the company to provide its customers with better tools to manage IT systems. Digital Fuel provides enterprises with tools to measure the cost of their infrastructure and applications across a combination of public clouds, private clouds, or traditional environments. Business units can then be charged for their actual usage of IT applications and resources.

Related story: VMware to buy Digital Fuel to simplify cloud economics

Ericsson buys Telcordia

Why: The deal will reinforce and expand Ericsson's position in the operations support systems (OSS) and business support systems (BSS) sector. These systems are used for network optimization and real-time charging.

Related story: Ericsson to acquire Telcordia for $1.15 billion

VMware acquires Shavlik

Why: Shavlik's traditional and cloud-based management products will enable VMware to push further into the SMB market. VMware and Shavlik are not new acquaintances: They have already worked on the development of VMware GO, a cloud-based service announced in 2009.

Related story: VMware acquires Shavlik to boost SMB offerings

SanDisk buys Pliant Technology

Why: Moves SanDisk, whose NAND flash products target consumers, into the enterprise with Pliant's solid-state drives.

Related story: SanDisk to buy SSD maker Pliant for $327 million

Microsoft buys Skype

Why: Microsoft's biggest dollar deal ever will dramatically expand its real-time voice and video offerings for consumers and enterprises. Questions remain about how Microsoft will integrate Skype's technology with its own related offerings, including its Lync communications platform and its mobile phone software, Windows Phone 7. Skype had been rumored to be partnering with Microsoft competitors such as Google and Facebook.

Related story: Microsoft buying Skype for $8.5 billion

Infor buys Lawson

Why: The deal will create one of the industry's largest ERP software vendors after SAP and Oracle.

Related story: Lawson accepts $2 billion takeover bid by Infor

VMware and SlideRocket

Why: VMware boosts its end-user computing capabilities with purchase of an online service for creating presentations, a potential competitor to Microsoft's PowerPoint.

Related story: VMware buys SlideRocket to boost end-user computing

Salesforce.com buys Radian6

Why: Salesforce.com plans to meld Radian6's social network conversation-tracking capabilities with its own growing array of software for sales and customer service, as well as its Chatter social networking platform. Developers will also be able to use Radian6 technology when building applications on Salesforce.com's Force.com platform.

Related story: Salesforce.com buying social monitoring vendor Radian6

Netscout buys Psytechnics

Why: NetScout plans to integrate Psytechnics technology across its entire product line, improving its ability to monitor and analyze voice and video traffic across networks.

Related story: NetScout to buy Psytechnics to better probe networks

Intel?s McAfee subsidiary buys Sentrig

Why: Expands McAfee's security portfolio to include a suite of products designed to help prevent database attacks through activity monitoring, intrusion prevention, vulnerability detection and protection of unpatched systems.

Related story: Intel's McAfee unit to acquire Sentrigo

Polycom & Accordent

Why: Gives Polycom its own video management software rather than OEMing. Polycom says it will further integrate Accordent software with Microsoft Lync, Sharepoint and other platforms.

Related story: Polycom gets instant Microsoft integration with Accordent buy

AT&T buys T-Mobile USA

Why: Creates largest U.S. carrier reaching 130 million people and would provide wider and denser wireless coverage as 4G services such as LTE take hold.

Related story: AT&T's $39B T-Mobile buyout raises regulatory, competitive and customer service questions

CTP buys Global Green Consulting Group

Why: Cloud Technology Partners, which helps midsize and large enterprises plan and execute the migration of business processes, applications and data to a cloud computing environment, will expand into the sustainability services market via the buyout.

Related story: Cloud consulting firm hopes lightning can strike twice

Facebook buys Snaptu

Why: Facebook says the deal will enable it to more quickly deliver a better mobile experience for so-called "feature" phones, which have lesser processing capabilities than smartphones.

Related story: Facebook to acquire mobile application developer Snaptu

NetApp buys Engenio

Why: Gives NetApp a foothold in market segments such as video, including full-motion video capture and digital video surveillance. It also servers high-performance computing applications, such as genomics sequencing and scientific research.

Related story: NetApp to acquire LSI's Engenio storage unit

VMware buys WaveMaker

Why: VMware hopes the open-source software from WaveMaker that lets non-developers bulid Java Web applications will encourage more customers to use cloud services.

Related story: VMware buys WaveMaker, aims to ease app development

Overture Networks buys Hatteras

Why: Both Research Triangle Park, N.C., companies have been selling Ethernet equipment to service providers for more than 10 years, since the early days of carrier Ethernet. The executives said their companies have complementary product lines and together will be able to offer a full lineup of equipment for Ethernet over both fiber and copper lines, allowing carriers to offer services ranging from 1Mbps (bits per second) to 10Gbps.

Related story: Ethernet vendors Overture, Hatteras to merge

Facebook buys Beluga

Why: Beluga's application allows groups of friends to communicate in private using their smartphones. While Facebook didn't immediately announce its plans, the company has been stepping up its smartphone integration push of late.

Related story: Facebook acquires messaging company Beluga

Citrix buys Netviewer AG

Why: Citrix gains software-as-a-service vendor that specializes in collaboration and IT services. NetViewer has 18,000 customers, mainly in Europe, and will join the Citrix Online division.

HP buys Veritica

Why: Vertica's technology will enable HP to deliver "sophisticated, real-time business analytics for large and complex sets of data in physical, virtual and cloud environments," HP said in a statement.

Related story: HP buying Vertica for analytics

Motorola Mobility buys 3LM

Why: Motorola will use 3LM's security and device management technology in its own Android phones, but also hopes to allow other handset makers to use the technology.

Related story: Motorola buys Android security company 3LM

Dell and SecureWorks

Why: In 2010, Dell announced a managed security services partnership with SecureWorks intended to lure customers of Dell security tools into service agreements. The purchase brings the service business in-house.

Related story: Dell buys SecureWorks for IT security services

Avaya & Konftel

Why: Avaya wants to beef up its audio and video conferencing capabilities with Konftel's OmniSound audio technology designed for collaboration environments and integrate it with Avaya's overall unified communications architecture, Avaya Flare Experience.

Related story: Avaya buys audio-collaboration vendor

Sourcefire buys Immunet

Why: To pursue cloud-based anti-malware protection, entering an arena that puts Sourcefire in direct competition with traditional anti-malware providers.

Related story: Sourcefire acquires Immunet for cloud-based anti-malware

NetApp buys Akorri Networks

Why: Akorri's products will be used to extend the functionality in storage company NetApp's OnCommand management software portfolio. Akorri's BalancePoint platform allows IT administrators to troubleshoot, optimize, plan and manage service levels across both physical and virtual environments.

Related story: NetApp to acquire Akorri Networks

Qualcomm buys Atheros

Why: By acquiring Atheros, Qualcomm is hoping to help expand the use of the smaller company's wireless chip technologies beyond cellular networks.

Related story: Qualcomm to acquire Wi-Fi specialist Atheros

Black Duck buys Olliance Group

Why: Black Duck, which offers open source network management tools, adds consulting services for companies looking to increase their use of open source software.

Related story: Open source software service provider swells via acquisition

Skype buys Qik

Why: The Qik mobile-to-mobile video streaming service will help enable Skype to expand its voice and video calling service beyond PCs and to more devices.

Related story: Skype buys Qik mobile video streaming service

Salesforce.com buys Dimdim

Why: Dimdim's Web conferencing software will augment Salesforce.com's Chatter enterprise collaboration platform.

Related story: Salesforce.com buys Dimdim

Verizon buys Terremark

Why: Expand Verizon's cloud service offerings -- Terremark offers collocation, managed infrastructure and cloud computing services from 13 data centers in the U.S., Europe and Latin America.

Related story: Verizon buying big into cloud with $1.4B Terremark bid

CA buys Torokina Networks

Why: CA plans to use Torokina's expertise and tools to expand its support of service providers, especially those offering 3G, 4G and Long Term Evolution (LTE) mobile technologies

Related story: CA acquires Australian telecom consultancy

Google buys SayNow

Why: Will enable Google to expand its voice technology offerings via SayNow's social voice applications.

Related story: Google buys SayNow social voice platform

Cisco buys Pari

Why: Pari's appliances will help Cisco customers identify potential network problems before they occur and optimize the performance of their networks. Pari's products are designed to help customers stay on top of updates across devices and ease compliance audits. The company developed its appliances to include policy, compliance and audit assessment mitigation features.

Related story: Cisco acquires Pari: What goes around, comes around

Time Warner buys NaviSite

Why: Bolsters TWC's managed service, cloud computing and hosting services for small and large enterprises.

Related story: Time Warner Cable snaps up NaviSite for $230M as cloud computing consolidates

Citrix and Kaviza

Why: Kaviza boosts Citrix's desktop virtualization capabilities with a so-called "VDI-in-a-Box" product. Kaviza software is designed for small and mid-sized businesses with a simple architecture that eliminates the need for load balancers, provisioning servers and expensive shared network storage.

Related story: Citrix buys virtualized desktop company Kaviza

VMware buys Socialcast

Why: VMware says Socialcast's enterprise collaboration integration technology fits into its vision of supporting a shift in the way that people work today using approaches to collaboration that better take advantage of the Web.

Related story: VMware buys Socialcast

Polycom buys HP videoconferencing assets

Why: The deal for HP's Visual Collaboration business is intended to give greater reach to Polycom, a unified communications specialist, and allow HP to focus on cloud computing and connectivity, the companies said in a press release.

Related story: Polycom to buy HP's videoconferencing assets

Dimension Data buys OpSource


Why : It was attracted to OpSource's automation and orchestration capabilities and particularly how those tools can be used across hybrid public and private cloud systems.

Related story: Dimension Data scoops up OpSource

RIM buys JayCut

Why: The Stockholm-based Web-based video-editing software company's technology should bolster the multimedia capabilities of RIM's PlayBook tablet.

Related story: RIM buys video-editing vendor JayCut

Oracle buys Inquira

Why: Oracle is buying knowledge management vendor InQuira in order to improve the capabilities of its Fusion and Siebel CRM applications.

Related story: Oracle buys InQuira to boost Fusion CRM

Oracle buys Ksplice

Why: The "zero downtime" capabilities for Linux admins provided by Ksplice will bolster Oracle's Unbreakable Enterprise Linux kernel and become a standard feature in its Linux Premier Support offering.

Related story: Oracle buys Ksplice for Linux 'zero downtime' tech

Fusion IOO buys IO Turbine

Why: To extend its on-server cache products to virtualized environments.

Related story: Fusion-Io to Buy IO Turbine to Reach Virtualized Servers

Verizon buys CloudSwitch

Why: Verizon is making a big investment in cloud technologies, and CloudSwitch's specialty is helping companies migrate applications and workloads between data centers and the cloud "without changing the application or infrastructure layer."

Related story: CloudSwitch gives Verizon a boost in cloud migration

Cisco buys Axioss software from Comptel UK subsidiary

Why: Software will be used to help service providers speed delivery of new offerings.

Related story: Cisco announces plan to buy Axioss management software

google buys Motorola Mobility

Why: Gives Google more control over smartphone/tablet hardware for running its Android mobile software, and gives access to huge patent portfolio vital to protecting Android from lawsuits.

Related story: Google buys Motorola Mobility for $12.5 billion

Skype buys GroupMe

Why: For Skype, which already offers voice and video services, the acquisition of GroupMe will add the ability to offer text messaging for groups using mobile phones as well.

Related story: Skype acquiring startup GroupMe for group text messaging

Adtran buys Bluesocket

Why: Adtran is betting that enterprises making the massive shift to pervasive 802.11n WLANs, will also want to add a virtual wireless architecture to their existing, VMware-based virtualized services.

Related story: Adtran buys Wi-Fi vendor Bluesocket

IBM buys Q1 Labs

Why: Q1 Labs vends security intelligence and event monitoring software, and the company's software will provide a platform for the new IBM Security Systems division.

Related story: IBM buys security intelligence minded Q1 Labs

McAfee buys NitroSecurity

Why: The NitroView products provide a way for enterprises to inspect data packets and monitor networks, and also to analyze and manage events based on which it can take appropriate action. NitroSecurity products will provide McAfee with the security intelligence capabilities to identify and take care of threats "in minutes instead of hours," McAfee said.

Related story: Intel's McAfee unit agrees to buy NitroSecurity

Avaya buys Sipera

Why: To help Avaya accelerate development of integrated, SIP-based security capabilities for unified communications and contact center environments.

Related story: Avaya acquires Sipera

Nuance buys Swype

Why: Brings virtual typing technology into voice recognition company Nuance's product portfolio.

Related link: Nuance nabs Swype for $102.5M

Avaya & Aurix

Why: Avaya can use Aurix's data mining of large volumes of audio and audio-visual material to augment its unified communication and contact center applications. The Aurix software can help, for instance, Avaya's call center platform spot key voice interactions with an eye toward improving those interactions as a way to boost customer satisfaction.

cisco buys BNI Video

Why: BNI's software is designed to help service providers deliver any type of video to multiple devices at large scale. Cisco said the acquisition would help to advance Videoscape, the vision Cisco announced earlier this year for video delivery to any device.

Related story: Cisco to acquire video delivery startup BNI

Oracle buys Endeca

Why: Endeca's technologies include the MDEX engine for processing unstructured information, such as emails and other text-based data, as well as the Latitude analytic application platform and InFront CEM (customer experience management) product. The buyout should bolster Oracle's capabilities for enabling customers to search and analyze unstructured information.The acquisition may also be a response to rival HP's recent acquisition of Autonomy.

Related story: Oracle buys Endeca for unstructured information search technology

Wyse buys Trelia

Why: To bolster Wyse's offerings for managing smartphones and tablets in the enterprise.

Related story : Wyse acquires Trellia for cloud-based mobile management

Internap & Voxel

Why: Voxel’s dedicated hosting and cloud services will enhance Internap’s own, but its service automation and data centers in Amsterdam and Singapore will give the company a global presence from which it can support collocation, managed hosting, dedicated hosting and cloud services. Voxel says its intelligent automation helps simplify provisioning of both dedicated and cloud environments.