Players in the XML and Web Services Firewall and Application Delivery Controller markets

XML and Web Services seems to be very hot as the big players are doing shopping:

• Radware partnered with Forum Systems. Heres a press release by Radware. Here's a press release by Forum Systems. November 2007.
• Citrix acquired QuickTree. Here's a press release by Citrix. May 2007.
  
• Cisco acquired Reactivity. Here's a press release by Cisco. February 2007.
  
• IBM acquired Data Power. Here's a press release by IBM. October 2005. There are IBM-DataPower products, but there is also XML oriented research activity (see: WWW2007/XML and Web Data track paper, and a paper from WWW2006/XML track) that has been incorporated into db2.
  
• Intel acquired Sarvega. Here's a press release by Intel. August 2005. Intel has some XML and Web Services products that have been announced recently.
  

Other noticeable players in this market for a while now are:

• F5 Networks with its partnership with Reactivity (see press release by F5 Networks). In an article about F5's new release of BIGIP with XML Firewall capabilities and other enhancements of ASM. See: What's New in 9.4.2: XML Firewall Features. See a press release by F5 Networks on November 6th about ASM.
  
• Checkpoint says that it has pioneered web services security back in 2002 already. FW-1 is said to be capable of examining XML and SOAP traffic.
  
• Layer7 that does XML Security and Networking infrastructure for Web Services, SOA and Web 2.0 applications.
• Vordel that does an XML Firewall and an XML Gateway to protect web applications and web services.
• Imperva claims to be able to protect against XML and Web Services vulnerabilities.
• Xtradyne released XML Firewall capabilities with Web Services security.
• Zeus does XML traffic management and XML security.