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PROTEON ANNOUNCES NEW ROUTER SOFTWARE FOR RELIABLE SNA INTERNETWORKING

 Data Link Switching (DLSw), Proteon's Intelligent End Node Routing,
 IPX/WAN, Quad Ethernet Card And V.25bis
 WESTBOROUGH, Mass., Jan. 17 /PRNewswire/ -- Proteon, Inc. (NASDAQ: PTON) today announced April availability of its Release 15 bridging router software for its Corporate Network eXchange (CNX) and Departmental Network eXchange (DNX) multi-protocol bridging router product suites.
 The following key features enrich Proteon routers to deliver industry-leading reliability, applications availability and high performance for internetworks running mission-critical data in large, mixed SNA and multi-protocol environments.
 Initially delivered in December 1993, Proteon's DLSw, first demonstrated at Paris Interop in conjunction with IBM, is an IBM- sponsored method for transmitting SNA and NetBIOS traffic across TCP/IP Internet Protocol (IP) wide area networks (WANs). The DLSw standard -- currently being defined by the Data Link Switching Working Group -- has gained widespread acceptance since IBM introduced the protocol specification known as RFC-1434. Recognizing Proteon's DLSw as the industry's first interoperable application, IBM has invited Proteon to present its successful implementation of RFC-1434 to the DLSw Special Interest Group (SIG) at the fourth meeting of the APPN Implementors Workshop (AIW) in February 1994.
 Proteon's DLSw provides users with crucial features for cost- effective SNA/LAN integration today. The key features of Proteon's DLSw implementation include local data link integrity (SDLC-LLC2), SNA session support across TCP/IP, LLC Flow Control and NetBIOS name caching. User benefits include, instantaneous route-around link failure, extended source route bridging hop count, reduced WAN overhead, and network consolidation.
 When combined with Intelligent End Node Routing Proteon's DLSw is a powerful SNA solution. Intelligent End Node Routing is a network optimization technique based on OSPF that allows for branch sites to be configured centrally as sub areas with subsets of routing information. This significantly decreases transmission overhead. It also expedites convergence from remote end point interconnectivity requirements.
 With Release 15 software, Proteon's routers now support Novell's Internetwork Packet Exchange (IPX)/WAN specification, which defines how various protocols should interoperate with IPX over wide area links. Proteon's IPX implementation allows users to route IPX over Point-to- Point Protocol (PPP) over the wide area. With IPX/WAN support, Proteon routers are also ensured interoperability with Novell Multi-protocol Routers (MPRs). Additional WAN interface support will be delivered in future router software releases.
 Now available on Proteon's CNX mid-range and headquarters bridging routers, the Quad Ethernet Card is a 32-bit interface card that supports up to four Ethernet ports for expanded LAN connectivity. Proteon's Quad Ethernet Card is based on an Intel 82596 component that supports four daughter cards containing 10BaseT, 10Base5, or 10Base2 interfaces.
 All Proteon routers will support V.25bis in software Release 15.OA that will be available in March. V.25bis facilitates dynamic remote connectivity needs -- including dial back-up, load sharing, WAN restoral and dial-on-demand capabilities -- in addition to the increasingly prominent switching technologies.
 -0- 1/17/94
 /CONTACT: Joe Grillo or Karin Bakis of Proteon, 508-898-2800; or David Copithorne or David Kitchen of Copithorne & Bellows, 617-252-0606, for Proteon/
 (PTON)


CO: Proteon, Inc. ST: Massachusetts IN: CPR SU: PDT

CM-DD -- NE007 -- 1301 01/17/94 11:54 EST
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Publication:PR Newswire
Date:Jan 17, 1994
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