Hi all, I was just going through the document again to see what can be improved. A few issues on the transport protocol. The document never makes it clear what kind of transport protocol is used. Section 2 say "The proposed architecture should mae this functionality available vai Web Services (WS) [...]" While there are different types of webservices, e.g. * XML in SOAP over HTTP * XML in SOAP over AMQP * XML in SOAP over JMS * XML in SOAP over TCP or UDP * XML over HTTP (the recent low-overhead RESTful webservices) In practice, only XML in SOAP over HTTP seems to be used. To we want to impose that? I think it should be, though I am fine if it is either in the NMC base document or in another document (which has the advantage that if we later want to change the transport protocol, it is not necessary to update the base document). At least, when I play with the PerfSONARUI (great work by the way, it allows me to understand PerfSONAR a bit better!), I see that a request like this:
<?xml version="1.0" encoding="UTF-8"?> <nmwg:message id="message1266324754" type="EchoRequest" xmlns:nmwg="http://ggf.org/ns/nmwg/base/2.0/"> <nmwg:metadata id="meta"> <nmwg:eventType>http://schemas.perfsonar.net/tools/admin/echo/2.0</nmwg:eventType> </nmwg:metadata> <nmwg:data id="data" metadataIdRef="meta"/> </nmwg:message>
Is transformed on the wire to this:
POST /geant2-java-rrd-ma/services/MeasurementArchiveService HTTP/1.0 Content-Type: text/xml; charset=utf-8 Accept: application/soap+xml, application/dime, multipart/related, text/* User-Agent: Axis/1.4 Host: 62.40.123.162:8080 Cache-Control: no-cache Pragma: no-cache SOAPAction: "" Content-Length: 559
<?xml version="1.0" encoding="UTF-8"?> <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <soapenv:Body> <nmwg:message id="message1266324654" type="EchoRequest" xmlns:nmwg="http://ggf.org/ns/nmwg/base/2.0/"> <nmwg:metadata id="meta"> <nmwg:eventType>http://schemas.perfsonar.net/tools/admin/echo/2.0</nmwg:eventType> </nmwg:metadata> <nmwg:data id="data" metadataIdRef="meta"/> </nmwg:message> </soapenv:Body> </soapenv:Envelope>
Beside describing the transport protocol, which document is to defined the preferred TCP server ports for a given service? I presume the documents describing the individual services should define the later. Regards, Freek