Re: Gs TCP/IP

[Leies_D@mediasoft.net]

dempson@atlantis.actrix.gen.nz (David Empson) wrote:

>In article <kk59556@pro-haven.cts.com>,
>Charles Claypoole <charlesc@pro-haven.cts.com> wrote:
>> 
>>         I would like to know, what does TCP/IP actually do?

>TCP/IP is the term generally used for the set of protocols that are
>used on the Internet.  They can also be used on private networks (e.g.
>an Ethernet LAN).

>A IIgs implementation of TCP/IP will allow a IIgs to be connected
>directly to Internet (or another TCP/IP-based network), instead of
>being limited to dialling up a host system which provides access to the
>protocols.  This facility is already available on most other computer
>platforms.

>The most obvious use of a TCP/IP implementation will be to allow the
>IIgs to run a graphical Web browser (this needs to be written, first).
>At present, the IIgs is limited to running a text-based browser such as
>Lynx, via a host system.

>There are many other potential uses of TCP/IP.


>Access to Internet (or other TCP/IP networks) can be made through a
>permanent or dial-up serial connection, or a network connection
>(LocalTalk).  The GS/TCP product will have drivers for supporting all
>of these: permanent or dial-up serial via the SLIP protocol ("Serial
>Line Internet Protocol", I think), and a LocalTalk connection via the
>MacIP protocol (IP encapsulated in AppleTalk protocol packets) - a
>Macintosh or other MacIP-to-TCP/IP gateway will be required to connect
>to the actual TCP/IP network (or you could just run TCP/IP over
>LocalTalk directly between machines running MacIP, such as two IIgses).

>In the area of connection methods, there are only two major options
>missing: PPP (Point to Point Protocol) is in more common use than SLIP
>for dial-up connections, and is more flexible (but harder to
>implement); the other missing option is a direct Ethernet connection,
>which would allow the IIgs to talk TCP/IP directly.


>Getting into specific details:

>"IP" is "Internet Protocol", which is responsible for
>delivering arbitrary chunks of data (up to about 1.5 KB each) from the
>source machine to the destination machine over the Internet, without
>worrying about details like re-sending it if the data is lost, or
>maintaining the ordering of data.

>"TCP" is "Transmission Control Protocol".  It makes use of IP to
>provide a reliable, ordered stream of data delivery across the
>network.

>These protocols are not directly useful: the ones that sit on top of
>them are.  You may be familiar with such concepts as E-Mail, FTP,
>Telnet, Gopher, WWW, News, etc.  :-)

>All of these are based around specific protocols that make use of TCP.
>-- 
>David Empson
>dempson@actrix.gen.nz
>Snail mail: P.O. Box 27-103, Wellington, New Zealand


Hey you forgot that with TCP/IP you can connect your GS to a Unix Box :)