Internet Technology Update for ICCM 1997

Mission Aviation Fellowship 04/21/23 Jonathan Marsden <[email protected]>

Internet Technology UpdateInternet Technology Updatefor ICCM 1997for ICCM 1997

We do email, we use a Web browser We do email, we use a Web browser to surf...to surf...

What What elseelse is the Net good for? is the Net good for?


IntroductionIntroduction

Everyone is talking about the InternetEveryone is talking about the Internet Most are actually using it!Most are actually using it! Email is wonderfulEmail is wonderful WWW surfing is fun (sometimes useful WWW surfing is fun (sometimes useful

too)too) Assuming we have already done that... what Assuming we have already done that... what

now?now?


Five Main Areas of PromiseFive Main Areas of Promise

Enabling Effective CollaborationEnabling Effective Collaboration More Secure CommunicationsMore Secure Communications DirectoriesDirectories Increasing Integration of ToolsIncreasing Integration of Tools Giving users (only) what they want Giving users (only) what they want


Enabling CollaborationEnabling Collaboration

Shared DatabasesShared Databases Keyboard chatKeyboard chat AudioAudio VideoVideo TeleconferencingTeleconferencing


Shared DatabasesShared Databases

We can pass around floppies or CD-ROMsWe can pass around floppies or CD-ROMs Or, we can put databases on the InternetOr, we can put databases on the Internet Allows access from most placesAllows access from most places Can allow update from most placesCan allow update from most places Well known browser interface makes it Well known browser interface makes it

possible for users to view ‘reports’ easilypossible for users to view ‘reports’ easily But isn’t super easy to do (yet)But isn’t super easy to do (yet)


Keyboard chatKeyboard chat

Can be on WWW (Java-based, etc)Can be on WWW (Java-based, etc) Can be IRCCan be IRC Can be MOO/MUD/VR basedCan be MOO/MUD/VR based Can build a real sense of friendship and Can build a real sense of friendship and

collaborationcollaboration Can allow real time decision making when Can allow real time decision making when

neededneeded


Audio Audio (HOT!)(HOT!) Phone calls using the Net (free int'l calls!?)Phone calls using the Net (free int'l calls!?) Friendlier than email for many culturesFriendlier than email for many cultures No computer needed -- just a phoneNo computer needed -- just a phone A lot of commercial interest alreadyA lot of commercial interest already Audio conference calling also possible over Audio conference calling also possible over

the Internetthe Internet Tech support use shows promise tooTech support use shows promise too See See http://www.pulver.com http://www.pulver.com andand http://www.von.comhttp://www.von.com


Video and TeleconferencingVideo and Teleconferencing For when you need to see the other person’s face For when you need to see the other person’s face

“almost like a real meeting”“almost like a real meeting” Workable (mostly) over 28.8 modem connectionsWorkable (mostly) over 28.8 modem connections CU-SeeMe current popular client (Windows or CU-SeeMe current popular client (Windows or

Mac). Shareware. In use for ICCM!Mac). Shareware. In use for ICCM! Audio + video + kbd chat + shared whiteboard = Audio + video + kbd chat + shared whiteboard =

decent expressive powerdecent expressive power Not hard for normal Win95 or Mac usersNot hard for normal Win95 or Mac users See See http://www.cuseeme.comhttp://www.cuseeme.com Netscape and MS both have similar technologiesNetscape and MS both have similar technologies


More secure communicationsMore secure communications

IPv6 -- designed to include auth and cryptoIPv6 -- designed to include auth and crypto S/WAN. Packet level encryption for todayS/WAN. Packet level encryption for today SSH - Secure shell. Works now!SSH - Secure shell. Works now! PGP - application level. Works but hardPGP - application level. Works but hard


IPv6 - next generation securityIPv6 - next generation security IPv6 is the next Internet packet format, IPv6 is the next Internet packet format,

specified in RFC1883. It mandates the specified in RFC1883. It mandates the ability to do good authentication and ability to do good authentication and encryption at the level of each packet.encryption at the level of each packet.

User doesn’t have to do anything specialUser doesn’t have to do anything special Not here yet, except for a few Not here yet, except for a few

experimenters on the 6-boneexperimenters on the 6-bone Will be a normal part of your OS soon Will be a normal part of your OS soon

(Win98.5 anyone?)(Win98.5 anyone?)


Secure/Wide Area NetworkingSecure/Wide Area Networking

Using the IPv6 technologies of packet level Using the IPv6 technologies of packet level encryption, but on today's (IPv4) Internetencryption, but on today's (IPv4) Internet

Has support of EFF, John GilmoreHas support of EFF, John Gilmore Can be done now using commercial routers, or Can be done now using commercial routers, or

Linux boxes as routers, between two LANsLinux boxes as routers, between two LANs Has ‘FAX effect’ -- the more people use it, the Has ‘FAX effect’ -- the more people use it, the

more useful it is, so more people use it!more useful it is, so more people use it! http://www.cygnus.com/~gnu/swan.htmlhttp://www.cygnus.com/~gnu/swan.html


SSH (Secure SHell)SSH (Secure SHell)

Unix freeware to do encrypted remote shell Unix freeware to do encrypted remote shell accessaccess

Then added tunnels for any TCP portThen added tunnels for any TCP port Now $99 commercial Windows 3.x/95/NT Now $99 commercial Windows 3.x/95/NT

and Mac clients exist: F-Secure by F-Protand Mac clients exist: F-Secure by F-Prot It works, we use it at MAFxc and at FEBCIt works, we use it at MAFxc and at FEBC User has per session work, not per msg.User has per session work, not per msg. http://www.cs.hut/fi/ssh/http://www.cs.hut/fi/ssh/


DirectoriesDirectories How to organize and find things and peopleHow to organize and find things and people LDAP is where everyone is headed (NT 5.0, LDAP is where everyone is headed (NT 5.0,

Novell, Unix (slapd, others)... already in Netscape Novell, Unix (slapd, others)... already in Netscape browsers and servers)browsers and servers)

More than an online phone bookMore than an online phone book Can be updated by individual users and kept in Can be updated by individual users and kept in

sync worldwidesync worldwide Distributed, not one central directory! So each Distributed, not one central directory! So each

organization can maintain their part.organization can maintain their part. http://apt.activevoice.com/ldap/ http://apt.activevoice.com/ldap/

or or http://www.umich.edu/~rsug/ldap/http://www.umich.edu/~rsug/ldap/


IntegrationIntegration

All these technologies... lots of clients? No!All these technologies... lots of clients? No! One browser does it allOne browser does it all MS IE 4.0 extends browser to far beyond MS IE 4.0 extends browser to far beyond

just surfing HTML pages on the WWW -- just surfing HTML pages on the WWW -- one way of handling both local and remote one way of handling both local and remote information and interaction with itinformation and interaction with it

NetScape 4.0 is another ‘Swiss Army app’NetScape 4.0 is another ‘Swiss Army app’


Giving Users what they wantGiving Users what they want

Today’s Internet is soooo bigToday’s Internet is soooo big Users have to ‘go find’ what they wantUsers have to ‘go find’ what they want The ‘push’ model reverses thatThe ‘push’ model reverses that PointCast customized news pages are good PointCast customized news pages are good

examples.examples. NWfusion (techie example) another NWfusion (techie example) another

example, merging email and WWW wellexample, merging email and WWW well


SummarySummary The Internet is more than just email and The Internet is more than just email and

HTMLHTML Voice communication is my hot pick for a Voice communication is my hot pick for a

growth area in Internet usegrowth area in Internet use Greater collaboration, security and Greater collaboration, security and

integration are also coming soon (now?)integration are also coming soon (now?) Better ways to find stuff are neededBetter ways to find stuff are needed Let’s use these technologies where Let’s use these technologies where

appropriate to build God’s Kingdomappropriate to build God’s Kingdom

Documents

Internet Technology Update for ICCM 1997