toolkit offers several different levels of access to the
<ulink url="&url.z39.50;">ISO23950/Z39.50</ulink>,
<ulink url="&url.ill;">ILL</ulink> and
- <ulink url="&url.sru;">SRU</ulink>/<ulink url="&url.srw;">SRW</ulink>
- protocols.
+ <ulink url="&url.sru;">SRU</ulink> protocol.
The level that you need to use depends on your requirements, and
the role (server or client) that you want to implement.
If you're developing a client application you should consider the