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- CIPA, a Packet-Driver for Common-ISDN-API 2.0
-
- Herbert Hanewinkel, Sept 1995
-
-
- CIPA (= Common Isdn PAcket-driver) is an ethernet-type (class=1)
- packet-driver for IP-Routing or remote Ethernet bridging over
- ISDN. CIPA communicates with the ISDN card using the Common-ISDN-
- API 2.0 specification (an international standard for accessing
- ISDN cards). Because of this, CIPA is completely hardware
- independent and has successfully been tested with many active and
- passive ISDN cards.
-
- CIPA supports a large set of protocols for communication with
- other vendors ISDN routers or servers. Among these protocols are:
- LAPB, Frame-Relay, PPP, SLIP, Cisco-HDLC.
-
- CIPA's protocol suite has successfully been tested with a wide
- range of commercial, shareware and public domain TCP/IP packages
- e.g. Ftp PCTCP, Sun PC-NFS, Novell LanWorkPlace and PDTEHER,
- WATTCP based IP programs, NCSA & CU -Telnet/ftp, UMN gopher &
- popmail Trumpet WINSOCK, XFS.
-
- CIPA can communicate at least with the following commercial
- systems:
- Ascend Routers, AVM MPR 3.0, Biodata ISDN Router, Cisco
- Routers, Conet S2M Router, INS/CLS Banzai ISDN Router, netCS
- ISDN Router, RzK SLIP Bridge, SGI Indy ISDN 1.0, Spyder
- Routers, SunLink ISDN 1.0, SunLink ISDN 1.0.2.
-
- CIPA is a MS-DOS TSR program for use with TSR or VxD CAPI 1.1
- implementations. CIPA was written for use with ISDN BRI PC cards.
- CIPA was developed and implemented on a NCP /P8 card from NCP
- engineering GmbH, Nuernberg..
-
- The current version of CIPA supports two independent active
- connections at a time. Alternativly a connection can use both B-
- channels for loadsharing. CIPA can be loaded more than once, if
- more than two simultaneous connections to different sites are
- desired. Loadsharing can be configured as static or dynamic
- (bandwidth on demand). Dynamic loadsharing can be used
- concurrently with a second independent connection.
-
- Loadsharing over two channels is implemented using simple round
- robin scheduling, because TCP/IP doesn't require the original
- packet sequence. This is completely hardware independent and
- supported by many router systems.
-
- The latest version of CIPA is available on ftp.biochem.mpg.de in
- directory /pc/isdn.
-
-