Rainer's virtual planet of technology interest
of the Internet and where I fit in
Eisenhower requests funds from Congress to set up ARPA. Approved as a line item in Air Force appropriations bill. ARPA established
Late summer 1958
NASA appropriations approved. Space & missile programs transferred from ARPA to NASA. ARPA budget left at $ 150 million
Ted Nelson proposes "Xanadu". First Paper on packet-switching theory by Len Kleinrock, "Information Flow in Large Communication Nets," published by RLE Quarterly Progress Report
Paul Baran, RAND Corporation study, "On Distributed Communication Networks"
April, 23 1962
I was born
First paper on Internet Concept by J.C.R. Licklider & Welden Clark, "On-Line Man Computer Communication."
J.C.R Licklider memo addresses "Members of the Intergalactic Computer Network"
NASA (Bob Taylor) funds Doug Engelbart's "Augmentation Lab."
Communication Nets' a book by Len Kleinrock, provides the network design and queuing theory necessary to build packet networks. This work was a major factor in designing the communication network for the ARPANET
First paper on secure packetized voice communications by Paul Baran. "On Distributed Communications Networks, "IEEE Transactions on systems. It is from this paper that the false rumor was started that the Internet was created by the military to withstand nuclear war.
"Moore's Law first postulated by Gordon Moore, Donald Davis, national Physical laboratory, UK packetizing data for store-and-forward communication
First network experiments: Ivan Sutherland, director of IPTO at ARPA, gives contract to Larry Roberts at MIT Lincoln Laboratory.
First network experiments: Lincoln Lab's TX-2 tied to SDC's Q32. This experiment was the first time two computers talked to each other and the first time packets were used to communicate between computers.
Bob Taylor wonders why his three computers should not be connected
First paper on network experiments, Larry Roberts & Thomas Marill, "Toward a Cooperative Network of Time-shared Computers," Fall AFIPS Conference
ARPA Communications Program begins. Larry Roberts becomes ARPA chief scientist and begins the design of the ARPANET. The ARPANET program as proposed to Congress by Roberts was to explore computer resource sharing and packet-switched communications.
ARPANET Design Session held by Roberts at ARPA/IPTO Principal Investigator meeting in Ann Arbor, Michigan. It was at this meeting that Wes Clark suggested the use of minicomputers for network packet switches (IMPs) instead of using the mainframe computers themselves for switching
Original ARPANET design paper, Lawrence Roberts, "Multiple Computer Networks and Intercomputer Communication", ACM Conference, Gatlinburg, Tennessee.
First use of the word "packet" by Donna Davies, Roger Scantlebury et al, in their paper "A Digital Communications Network for Computers" presented at ACM Gatlinburg. Donald Davies could not convince the British to fund a wide area network experiment.
Doug Engelbart's "mother of all demos": the mouse, windows, videoconferencing.
Request for Quotations release for ARPANET by Larry Roberts, ARPA. The RFQ mandated the main packet-switching design elements for the ARPANET.
ARPANET RFP responses received. Evaluation was by Roberts, ARPA staff and a group of ARPA contractors
ARPANET contract awarded to Bolt, Beranek & Newman (BBN) in Cambridge, Massachusetts. Frank Heart's group at BBN began to build the ARPANET Interface Message Processors (IMPs) The BBN group proposed to use Honeywell 516 minicomputers for the IMPs. The team included Bob Kahn, Severo Ornstien, Dave Walden and others
Senator Edward Kennedy's office sent a message of congratulation to BBN re: "Interfaith" Message Processor.
Department of Justice filed antimonopoly suit again IBM
Host of IMP Specification #1822 released, written by Bob Kahn at BBN. The spec detailed the interface between ARPANET host computers and the IMPs. The IMPs needed to be connected to each computer with this unique hardware interface. It needed to be designed and built for each different computer attached.
Request for Comments (FRC) # 1 "Host Software" released, written by Steve Crocker, covering host-to-host protocol, the first output of the Network Working Group (NWG)
September 1, 1969
First node of ARPANET installed at UCLA Network Measurement Center, where Len Kleinrock's group connected the IMP to their Sigma 7 computer.
Bob Taylor leaves ARPA for the University of Utah and Larry Roberts become fourth director of IPTO
October 1, 1969
Second node of ARPANET installed at Stanford Research Institute where Doug Engelbart's group connected it to their SDS 940 computer. The first ARPANET messages passed that day: "LOG-IN .... Crash! The network crashed on the letter "G".
November 1, 1969
Third node of the ARPANET installed at University of California, Santa Barbara, connecting to their IBM 360/75
December 1, 1969
Fourth node of the ARPANET installed at the University of Utah, connecting to their DEC PDP-10
ARPANET first spans the US connecting BBN (node #5) into the Net.
Xerox PARC opened. bob Taylor is found and associate manager of the Computer Science Laboratory.
First packet radio network. Alohanet operational at University of Hawaii under Norm Abramson using the Aloha concept of random packet retransmission
15 nodes on he ARPANET: UCLA, SRI, UCSB, U of U, BBN, MIT, Rand Corporation, Systems Development Corporation, Harvard, Lincoln Lab, Stanford University, U of Illinois, Case Western Reserve, Carnegie Mellon, and NASA/Ames.
First terminal interface processor (TIP) in ARPANET permitting terminals to directly dial into the network, greatly increasing the network growth
Federal Trade Commission accused Xerox of illegally monopolizing the plain paper copier market
First basic e-mail programs, SNDMSG and READMAIL, written by Ray Tomlinson at BBN
First e-mail management program, RD, written by Larry Roberts at ARPA to list incoming messages and support forwarding, filing and responding to them
File Transfer Protocol (FTP) specification (RFC 354) released by Jon Postel, the editor of the Request for Comments and Abhay Bhushan, the chairman of the Network Working Group
First, ARPANET public demonstration at ICCC in Washington organized by Robert Kahn of BBN. Kahn was then hired by Roberts into ARPA. 29 nodes on the ARPANET at the time.
Both Bob Metcalfe and Larry Tesler, among others, join Xerox PARC, the first Alto built by Lampson, Thacker, etc. at Xerox PARC
First international connections to the ARPANET: University College of London (England) and Royal Radar Establishment (Norway)
First Ethernet operation at Xerox PARC designed by Robert Metcalfe. He had expanded the Alohanet packet radio concepts and applied them to cable technology
May 22, 1973
Bob Metcalfe coins term "Ethernet" in Xerox PARC memo.
Larry Roberts leaves ARPA, joining Telenet. the first packet-switching carrier, as CEO. Licklider returns to ARPA as Director of IPTO. Telenet proved that packet switching was fro more economic that the telephone network for data.
Intel launches the 8080 microprocessor
First internetworking protocol. TCP outlined in a paper by Robert Kahn and Vincent Cerf. "A protocol for Packet Network Interconnection" Kahn and Cerf had started design in 1973.
62 hosts on ARPANET
Popular Electronics magazine featured what it announced as the world's first personal computer - the Altair 8800; Bill Gates and Paul Allen partner to write Basic for the Altair
ARPANET management transferred to DCA, the Defense Communication Agency; Microsoft founded in Albuquerque, New Mexico
Atlantic Packet Satellite Network SatNet created; Apple Computer founded by Steve Jobs and Steve Wozniak; Queen Elizabeth II sends out e-mail
Vint Cerf joins ARPA as program manager of the packet radio and packet satellite network
111 hosts on ARPANET
The First West Coast Computer Faire, promoted by Jim Warren, took place in San Francisco's Civic Auditorium. Apple II launched - the first retail, mass-market personal computer.
TCP protocol split into TCP and IP
Bob Metcalfe and others found 3Com - Computer Communication Compatibility
VisiCalc spreadsheet software goes on sale, designed for the Apple II
Steve Jobs visits Xerox PARC to see a demonstration of the Alto
Tim Berners-Lee writes a program called "Enquire Within" - the predecessor of his World Wide Web
NSF organizes CSNET, increasing it to 70 sites by June 1983 and integrating most computer-science sites by 1986
CSNET (Computer Science NETwork) built by collaboration of computer scientists at University of Delaware, Purdue University, University of Wisconsin, RAND Corporation and BBN through seed money granted by NSF to provide networking services (especially e-mail) to university scientists with no access to ARPAnet.
Microsoft has 40 employees
IBM announces the IBM Personal Computer; Microsoft creates the DOS operating system for the PC and its clones
213 nodes on ARPANET
Sun Microsystems founded by Vino Khosla, Scott McNealy, Any Bechtolsheim and Bill Joy; 3Com starts selling Etherlink connectors for IBM PCs
Novell Data Systems sells its furniture to meet payroll, John Warnoc and Chuck`Geschke (Xerox PARC computer-science researchers) quit to start up Adobe Systems; Sun I, the Sun Microsystems workstation launched
Drew Major and SuperSet colleagues decide to network the IBM PC
ARPANET and Defense Data Networks begin to use TCP/IP protocol, thus the Internet is born. Ray Noorda acquires control of Novell Data Systems and relaunches the company as Novell Inc.
Bob Taylor leaves Xerox PARC to found and manage Digital Equipment Corporation's Systems Research Center.
DCA splits MILNET from ARPANET, leaving 68 nodes on ARPANET and 45 on MILNET, the military network; NSFNet first established. Cisco systems founded (incorporated in 1984); Quantum's Q-Link online service offered to Atari and Commodore computer users.
Internet Activities Board (IAB) established.
Novell's Netware" first demonstrated in Houston, Texas
562 nodes on ARPANET
Desktop workstations come into being, many with the Berkeley UNIX operating system, which includes IP networking software.
Domain Name System (DNS) designed by Jon Postelk Paul Mockapetris and Craig Partridge to support the e-mail addressing format, creating .edu. .gov, .com, .mil, .org, .net & .int.
1,000 hosts on the Internet; Whole Earth's 'Lectronic Link (Well) established.
1,024 nodes on ARPANET/Internet.
NSF organizes NSFNET backbone to connect five supercomputing centers and interconnect all other Internet sites; Quantum launches bulletin board subscription service with graphical user interface (GUI).
March 15, 1985
Symbolic.com is assigned to become the first registered domain
5,000 hosts on the ARPANET/Internet
10,000 hosts on the Internet, first Cisco router shipped, Microsoft and 3Com join forces to compete with Novell; 25 million PC's sold in the U.S - one per six households.
Sequoia Capital invests $2 million in exchange for one-tiers of Cisco Systems.
NSFNET backbone upgraded to T1 (1.544mbps)
100,000 hosts on the Internet; Microsoft and Novell discuss merger/acquisition (and do so again in 1991-1992); McAfee Associates founded; gives away anti-virus software to build market share; Quantum become America Online
Clifford Stoll released his book "The Cuckoo's Egg" - Tracking a spy through the maze of Computer Espionage
February 4, 1990
Cisco Systems goes public; at the IPO the company is valued at $288 million.
ARPANET is finally "installed" after 20 years; Tim Berner-Lee created the World Wide Web at CERN in Switzerland.
August 28, 1990
Sany Lerner is fired from Cisco systems (and Len Bosack resign shortly thereafter)
Bob Metcalfe retires from 3Com
Phil Zimmermann developed PGP and was distributed as Freeware
U.S. High Performance Computing Act (sponsored by Senator Al Gore) establishes the National Research and Education Network (NREN); James Gosling embarks on "The Green Project", which would become Java; venture capitalist Technology Associates and Summit exchange $10 million for 50% of McAfee Associates; each gains a 2000 percent return; CERN publishes the code for the World Wide Web on the internet
Phil Zimmerman release version 1 of Pretty Good Privacy
June 9, 1992
Congressman Rick Boucher's amendment of the National Science Foundation Act of 1950 allows commerce to flourish on the Net (signed into law by President Bush on November 23,, 1992); 1,000,000 hosts on the Internet
Sandy Lerner acquires Chawton Manor as headquarters for the Center for the Study of Early English Women's Writing.
January 2, 1992
This year was dedicated to my extensive technical training with Computer & Network Technology. Also, programming and Project Management were introduced in this year. Even by touching Computers a couple years before 1992, I would like to use January 1992, as the year of a career step.
January 2, 1993
I joined Microsoft - Information Technology
Mosaic browser developed by Marc Andreessen and others at University of Illinois, Champaign-Urbana (UICU)
The Web grows by 341,000 percent in a year.
Both the White House and the United Nations go online.
U.S. Government files case again Phil Zimmerman claiming export violation
Jim Clark and Marc Andreessen meet
Viacrypt obtains the right to sell PGP for commercial use. Viacrypt releases version 2.7.1
Architext Software founded by Joe Kraus, Graham Soencer, at al, at Rosita's Burritos, Redwood City, California
Netscape Communications founded; Apple Computer launches e-world online service (decommissioned 1997); Jeff Bezos writes the business plan for Amazon.com, online bookstore; Jave's first public demonstration in Monterey, California
Architext Software secures $300,000 in venture capital funding from Kleiner, Perkins; Microsoft licenses technology from Spyglass to develop a Web browser for Windows 95.
Microsoft invests $16,4 million in UUNet Technologies, an Internet service provider to carry the traffic for Microsoft Network, to be included in Windows 95
February 1, 1995
I joined UB Networks (formerly Ungerman-Bass) to establish first Post-Sales department in Germany for UB Networks with extended coverage throughout Europe.
May 11, 1995
Bill Gates writes his watershed memo, "The Coming internet Tidal Wave"
NSFNEt reverts back to a research network. Main US backbone traffic now routed through interconnected network service providers.
August 9, 1995
Netscape's IPO, Shares priced at $ 28 open at $70
August 24, 1995
Microsoft's Windows 95 is launched
Architext changes its name to Excite
Legal case against Phil Zimmerman dropped by U.S. Courts
PGP Inc. formed in merger with Viacrypt
Excite's IPO values the company in excess of $200 million
Pasha Roberts and Ridaus Bhathena win MIT's $50K Contest and establish their company, Webline.
Bob Taylor retires from Digital Equipment Corporation
PGP Version 4.5 release with simple user interface and a mail plug-in for Eudora
McAfee & Network General became NETWORK ASSOCIATES
Excite moves into its own 80,000-square-foot building in Redwood city, California
PGP Version 5.0 released, first complete product code re-write since version 1.0
PGP Version 5.5 released, for both Business and Personal, with PGP administrator
PGP runs out of capital
Network Associates acquires PGP Inc. in a stock swap
Cisco Systems market valuation exceeds $60 billion
Newbridge Networks acquired UB Networks. and I moved to Newbridge EMEA Support
Version 6.0 release with PGP Disk for Windows and a plug-in for Microsoft Outlook
March 1, 1998
Xylan hired me to start a brand new Post-Sales Operation in Central Europe.
May 17, 1998
United States Department of Justice and twenty states file suit against Microsoft for anti-competitive practices in the Internet-browser market.
September 1, 1998
The Starr Report published on the Internet; traffic jams ensure
PGPVersion 6.5 released with Virtual Private Network (full X.509 support)
Alcatel acquired Xylan Corporation and I moved into Alcatel Internetworking Division as part of Xylan
PGP Version 7.0 released based on new MS Windows code. Major version includes PGP Firewall, ICQ Instant Messenger plug-in, Windows 2000 Support, Notes mail plug-in and PGP Administrator for large deployments
Rainer Bemsel designed first "User Authenticated VLan" based on Directory Server in Germany with Alcatel (Xylan) switches. This was reported in a technical magazine, belonging to Alcatel Internal News
September 18, 2000
Domain registration of BEMSEL.COM & BEMSEL.DE
October 1, 2000
www.bemsel.com goes online
PGP Version 7.0.3 release for Consumer and Freeware users and 7.0.4 for Enterprise users, the last version of PGP to support Windows 95
PGP Version 7.1 released including a Corporate Desktop Suite (PGP Mail, PGP Disk, PGP VPN, PGP Firewall)
Network Associates announces PGP business unit for sale
PGP Version 7.1.1 released
I joined Network Associates
PGP Corporation buys back PGP products and intellectual property from Network Associates
PGP and Network Associates announce the sale of PGP assets. PGP Announces partner in Europe, Middle East & Africa
Version 7.2 for MAC OS 9 ships
PGP moves into new corporate facilities in Palo Alto, California
PGP announces US and Canada partner reseller program
PGP assumes worldwide technical support responsibilities
PGP announces partners in Latin America, SE Asia and Australia
Domain greypanthers.de has been registered
Grey Panthers Webpage goes online. This Project was done to support my hockey team
Version 8.0 for MacIntosh and Windows ships
PGP Personal and PGP Firewall ship
PGP release source code for peer review
Network Associates acquires Anti-Spam Specialist DEERSOFT
April, 2 2003
Network Associates announced to acquire INTRUVERT NETWORKS
April, 4 2003
Network Associates announced to acquire ENTERCEPT SECURITY TECHNOLOGIES
June, 29 2003
www.bemsel.com has been redesigned and goes online again
May, 15 2004
I have joined Packeteer, the leading provider of Application Perfomance Management Platforms
July, 7 2004
I passed Packeteer Certified Expert Exam after 8 Weeks, 2 Days, 11 Hours & 15 Minutes. I never touched a PacketShaper before I actually joined Packeteer in May, 2004.
Lee Chen founded A10 Networks
Dec, 22 2004
Packeteer announced that it has acquired Mentat Inc., a technology leader in protocol acceleration for satellite and high-latency network links. This opened a new technology for me addressing Limitations of TCP
Packeteer & Tacit Networks forge strategic alliance to deliver best-of-bread Server Consolidation Solutions
Sep, 05 2006
Packeteer buys Tacit Networks to meet WAFS needs. With Microsoft Partnership and Windows Storage Systems on a former Tacit Appliance I was asked to cover that new technology, as well. I do not want to miss that experience, because it helped me a lot by running end-user projects in a broader sense.
June, 09 2008
Blue Coat completes Acquisition of Packeteer. Most of Packeteer Employees remained with Blue Coat Systems, so did I and facing new challenges and opportunities.
February, 01 2009
Giving a new opportunity with NetQoS, I accepted an offer to help NetQoS increasing business in DACH.
November, 19 2009
CA acquired NetQoS
April, 1 2010
NetQoS is now part of CA Technologies in the Service Assurance Business Unit. I am still responsible for NetQoS products inside this Business Unit