Latest Trade Show news* FROM INTEROP LAS VEGAS:Symbol plans pan-wireless infrastructure, 05\/03\/06Symbol plans to build a single system that lets enterprises combine many types of wireless networks.Fight brewing over directories, Avaya says, 05\/02\/06The directory is turning into a battleground as a wide range of IT vendors fight to handle multiple forms of communication, according to Avaya Chairman and CEO Donald Peterson.Network access control isn't cooked yet, 05\/02\/06Scanning PCs before they are allowed network access is technology that will take another two years before it is mature, according to speakers at an Interop session Monday.Interop Reporter's Notebook: Blue Coat Systems goes to the dogs, 05\/02\/06Blue Coat Systems goes to the dogs; Nortel shoots and scores; Network management: Hot or not?; CA gets Splunked\u00a0Investors look to carrier, mobile, IP TV markets for start-ups, 05\/02\/06IT executives should be familiar with what's keeping investors from putting money into enterprise- and small-and-midsize-business-focused start-ups: it's Cisco, investors say.Cisco's Chambers pushes collaboration, video, 05\/02\/06Collaboration is the key to enterprises both moving quickly and dealing with the demands of globalization, Cisco President and CEO John Chambers told attendees Tuesday at the Interop trade show in Las Vegas.LogLogic getting into open source, 05\/01\/06LogLogic unveiled its first open source community initiative Monday designed to provide a further alternative to Microsoft's Windows event-collection technology. The appliance-based log-management software vendor hopes Project Lasso will spur IT ...VoIP team ventures into new terrain, 05\/01\/06Basic interoperability is generally a given in multivendor VoIP settings. What happens, however, when VoIP devices go to work in decidedly unfriendly environments, such as through security devices and across wireless LANs?End-to-end NAC remains difficult, 05\/01\/06Network access control is a phrase on everyone's lips, but InteropLabs' testing shows that completely interoperable, enterprise-class NAC products are not here yet - though they could be just around the corner.Net mgmt. vendors show off app intelligence at Interop, 05\/01\/06Management vendors are ready to step up at Interop (all the headlines from the show) to address customer demands for more proactive management of critical network services, and give network teams tools to better assess application performance.InteropLabs hits on NAC, VoIP and open source, 05\/01\/06At InteropLabs, the experimental part of Interop, engineers test hundreds of commercial and open source products, focusing on how the gear can work together peacefully on a corporate network.Splunk touts partnership, module with CA, 05\/01\/06Log file search and indexing specialist Splunk Inc. announced a partnership with CA Inc. Monday that will include an integration module between the start-up's software and CA's Unicenter systems management product.Bigger Interop in store this week, 05\/01\/06Interop Las Vegas 2006 kicks off bigger and broader this week, with promoters touting it as the biggest IT show in North America in the era following the dot-com bust.Mix-and-match open source for corporate networks, 05\/01\/06Some say open source software is not worth using. Some say it will save the world. Setting aside the religious hype, open source software raises a serious technical question: Is it appropriate for enterprise use?E-mail security vendors to make splash, 05\/01\/06A pair of veteran security vendors will use Interop as a stage for announcing new and upgraded products designed to keep corporate messaging systems protected from a variety of threats.NAC will make a splash at Interop, 05\/01\/06IT executives looking to control access to their networks should have two more options to consider after announcements this week at Interop Las Vegas.BorderWare to unify security appliances, 05\/01\/06At Interop this week, security vendor BorderWare will detail plans for integrating its new Infinity platform into its existing firewall, Session Initiation Protocol and instant-messaging security appliances.Vendors look to ease compliance management, 05\/01\/06Management vendors at Interop (all the headlines from the show) will be looking to help companies address compliance requirements with automated tools.* JAVAONE PREVIEW:Enterprise Java update readied, 05\/02\/06The enterprise version of the Java programming language is expected to get a boost this week, with approval of the Java Enterprise Edition 5 specification anticipated from the Java Community Process, according to a representative at Sun.* FROM MICROSOFT MANAGEMENT SUMMIT:Microsoft customers buying half its managment picture, 05\/01\/06SAN DIEGO \u2014 Corporate users are generally pleased with the direction and pace of development of Microsoft\u2019s management software but are not yet ready to take on the vendor\u2019s broad self-healing, model-based management initiative.* UPCOMING TRADE SHOWS (May, June, July):Symantec Vision 2006May 8-11, San FranciscoGartner Symposium ITxpo 2006May 14-18, San FranciscoJavaOne 2006May 15-19, San FranciscoInbox - The E-mail EventMay 31 - June 1, San JoseThe IT Audit Directors & Managers SymposiumJune 6-8, BostonMicrosoft Tech Ed 2006June 11-16, BostonBurton Group Catalyst 2006June 14-15, San FranciscoYankee Group's Wireless Leadership SummitJune 27-28, New YorkC3 Expo 2006June 27-29, New YorkYankee Group's Mobilizing the EnterpriseJuly 17-18, BostonIntranet WeekJuly 24-26, BostonBlack Hat USA 2006July 29 - Aug. 3, Las Vegas* FREE NETWORK WORLD SEMINARS:Technology Tour: Applications & Content Security: Building the Defensible NetworkMay 16-25, various citiesWhat drove security up the stack to the boardroom? What changed the focus from perimeter firewalls to layered protection? How did it come to the perpetual scanning of all Web, SMTP, IM and FTP traffic?Often it's nothing more than a CEO's stolen password. Or it can be as devastating as an entire network compromised to its core data. But no matter the trigger, security is now the No. 1 corporate priority. And expectations are as high as senior management's anxiety.Before your network takes a hit \u2014 take a day to attend Network World's new Technology Tour event Applications & Content Security: Building the Defensible Network and discover how to build a fortress defense.Technology Tour: The VoIP Payoff: Convergence and CollaborationJune 1-29, various citiesWhether you were among the first to implement VoIP, or are just now rolling it out, the answers you need are at The VoIP Payoff: Convergence and Collaboration. It's the Network World LIVE Technology Tour event coming in June. And it's the place to map the future.Johna Till Johnson of Nemertes Research is your host. She's been where you're headed and will guide you to the next-generation of networks. Showing you current trends. Coming technologies. Best practices. And real-world solutions.IT RoadmapChicago: June 27It's where you'll hear IT strategies delivered direct to you from Network World editors six months ahead of outsiders even knowing about it. Where you can meet personally, one-on-one, with an IT all-star to discuss how coming technology will reshape your enterprise. Where you can accomplish a year's worth of vendor analysis among more than two dozen solution providers all in one day.