gov.nist.antd.mpls.signaling.ouni
Class OUNIModule

java.lang.Object
  |
  +--gov.nist.antd.mpls.signaling.ouni.OUNIModule

Direct Known Subclasses:

OUNI_C, OUNI_N

public class OUNIModule

extends java.lang.Object

The OUNIModule calss is the super class of the OUNI_C and the OUNI_N.

 ========================
 Concept of OUNI_C/OUNI_N
 ========================

 +----------------------------+                      +----------------------------+
 | LSR                        |                      | OXC                        |
 | +------------------------+ |                      | +------------------------+ |
 | | CR-LDP                 | |                      | | CR-LDP                 | |
 | | - General Signaling    | |                      | | - General Signaling    | |
 | |   functions            | |                      | |   functions            | |
 | | +--------------------+ | |                      | | +--------------------+ | |
 | | | OUNI_C (a)         | | |    exchange OUNI     | | | OUNI_N (b)         | | |
 | | |  - ConnectionTable | | |       messages       | | |  - ConnectionTable | | |
 | | |  - OUN_N info      |..............................|  - OUNI_C table    | | |
 | | |  - Interface Infos | | |                      | | |  - Interface Infos | | |
 | | +--------------------+ | |                      | | +--------------------+ | |
 | +------------------------+ |                      | +------------------------+ |
 | .......................... |                      | .......................... |
 | +-----+           +------+ |                      | +------+          +------+ |
 | | NIC |.......... | ONIC +==========================+ ONIC |......... | ONIC | |
 | +-----+           +------+ |                      | +------+          +------+ |
 +----------------------(c)---+                      +----(d)---------------------+

                        LSR Domain <--- | ---> Optical Domain...

 ==================
 OUNI Label Request
 ==================

           Ingress LSR                              Ingress OXC
         +------------------------+              +------------------------------------------+
         | CR-LDP                 |              | CR-LDP                   (5) send a      |
         |    (2) creates a       | (3) sends    | (4) creates a             LabelRequest   |
         |        OUNIConnection  |    a OUNI    |  OUNIConnection+-------+  message to the |
         |    +----------------+  |    message   | +--------------+-+     |  egress LSR to  |
         |    | OUNIConnection |+ | to establish | | OUNIConnection |+    |  establish a LSP|
         |    | - ConnectionID |..................>| - ConnectionID ||  +-+------------+    |(6)general Label 
         |    +----------------+| |   a Optical  | +----------------+|  | CRLDPControl |    | Request Procedure
  (1)    |     +----------------+ |      path    |  +----------------+  |  Block       |---------------------->
  OUNI   |           |            | (Label       |          |           +--------------+    |    Label Request 
  Request|   +-------+------+     |     Request) |  +-------+------+                        |    message
     ----+-->| OUNI-C       |     |              |  | OUNI-N       |                        |
         |   | - Connection +=====|==============|==+ - Connection |                        |
         |   |   Table      |     |              |  |   Table      |                        |
         |   +--------------+     |              |  +--------------+                        |
         |                        |              |                                          |
         +------------------------+              +------------------------------------------+

                          LSR Domain <--- | ---> Optical Domain...
                       Egress OXC                                                      Egress LSR
                     +------------------------------------------+                    +------------------------+
                     | CR-LDP                                   |                    | CR-LDP                 |
                     |  (7) create a OUNIConnection             |                    |    (9) creates a       | 
                     |             +----------+                 | (8) sends a OUNI   |        OUNIConnection  | 
                     |             |       +--+-------------+   |     message to     |    +----------------+  | 
                     |             |       | OUNIConnection |+  |     establish      |    | OUNIConnection |+ | 
 6)general Label     | +-----------+--+    | - ConnectionID |............................>| - ConnectionID || |
   Request Procedure | | CRLDPControl |    +----------------+|  |     a Optical      |    +----------------+| |  
 --------------------->| Block        |     +----------------+  |     path           |     +----------------+ |  
  Label Request      | +--------------+            |            |  (Label Request)   |           |            | 
  message            |                     +-------+------+     |                    |   +-------+------+     |  
                     |                     | OUNI-N       |     |                    |   | OUNI-C       |     |   
                     |                     | - Connection +=====|====================|===+ - Connection |     |    
                     |                     |   Table      |     |                    |   |   Table      |     | 
                     |                     +--------------+     |                    |   +--------------+     |
                     |                                          |                    |                        |   
                     +------------------------------------------+                    +------------------------+    

                                                    ...Optical Domain <--- | ---> LSR Domain
 ==================
 OUNI Label Mapping
 ==================

                       Egress OXC                                                      Egress LSR
                     +------------------------------------------+                    +------------------------+
                     | CR-LDP  (12) Label Mapping between the   |                    | CR-LDP                 |
                     |              EgressOXC and Egress LSR    |                    |  (10) EgressLSR Label  | 
                     |             +----------+                 | (11) sends a OUNI  |    mapping procedure   | 
                     |             |       +--+-------------+   |     message to     |    +----------------+  | 
                     |             |       | OUNIConnection |+  |     allocate       |    | OUNIConnection |+ | 
 (13)general Label   | +-----------+--+    | - ConnectionID |<............................| - ConnectionID || |
   Mapping Procedure | | CRLDPControl |    +----------------+|  |     resource into  |    +----------------+| |  
 <---------------------+ Block        |     +----------------+  |     a Optical path |     +----------------+ |  
  Label Mapping      | +--------------+            |            |   (Label Mapping)  |           |            | 
  message            |                     +-------+------+     |                    |   +-------+------+     |  
                     |                     | OUNI-N       |     |                    |   | OUNI-C       |     |   
                     |                     | - Connection +=====|====================|===+ - Connection |     |    
                     |                     |   Table      |     |                    |   |   Table      |     | 
                     |                     +--------------+     |                    |   +--------------+     |
                     |                                          |                    |                        |   
                     +------------------------------------------+                    +------------------------+    

                                                    ...Optical Domain <--- | ---> LSR Domain

           Ingress LSR                              Ingress OXC
         +------------------------+              +------------------------------------------+
         | CR-LDP                 |              | CR-LDP                                   |
         |(17) Label Mapping,     | (16) sends   |                                          |
         |established Optical Path|    a OUNI    |                +-------+                 |
         |    +----------------+  |    message   | +--------------+-+     | (14) Label      |
         |    | OUNIConnection |+ | to allocate  | | OUNIConnection |+    |      Mapping    |
         |    | - ConnectionID |<..................| - ConnectionID ||  +-+------------+    |(13)general Label 
         |    +----------------+| |  resource    | +----------------+|  | CRLDPControl |    | Mapping Procedure
         |     +----------------+ |              |  +----------------+  |  Block       |<----------------------
         |           |            | (Label       |          |           +--------------+    |    Label Mapping 
         |   +-------+------+     |     Mapping) |  +-------+------+                        |    message
         |   | OUNI-C       |     |              |  | OUNI-N       |(15) get Incoming Label |
         |   | - Connection +=====|==============|==+ - Connection |  and send it to the    |
         |   |   Table      |     |              |  |   Table      |  Ingress LSR           |
         |   +--------------+     |              |  +--------------+                        |
         |                        |              |                                          |
         +------------------------+              +------------------------------------------+

                          LSR Domain <--- | ---> Optical Domain...
 

 This class was developed at the National Institute of Standards and
 Technology by employees of the Federal Government and the Towson
 University by student in the course of their official duties.  Pursuant
 to title 17 Section 105 of the United  States Code this software is not
 subject to copyright protection and is in the public domain.
 NIST assumes no responsibility whatsoever for its use by other parties,
 and makes no guarantees, expressed or implied, about its quality,
 reliability, or any other characteristic.
 

 We would appreciate acknowledgement if the software is used.
 

 NIST ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION AND
 DISCLAIM ANY LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING
 FROM THE USE OF THIS SOFTWARE.
 

Author:

EunHyuk Lim (ehlim@antd.nist.gov, othree28@hotmail.com)

, borchert , rouil , Chul Kim

Field Summary

java.lang.String	NodeID Field NodeID - Node ID
S_CRLDP	sCRLDPInfo Field sCRLDPInfo - CR-LDP object

Constructor Summary

OUNIModule(S_CRLDP crldp)
Constructor OUNIModule

Method Summary

double	getTime() Method getTime Get current Time
boolean	sendOUNIMessage(ProtocolMessage message) Method sendOUNIMessage

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

NodeID

public java.lang.String NodeID

Field NodeID - Node ID

sCRLDPInfo

public S_CRLDP sCRLDPInfo

Field sCRLDPInfo - CR-LDP object

Constructor Detail

OUNIModule

public OUNIModule(S_CRLDP crldp)

Constructor OUNIModule

Parameters:

crldp - - XXX

Method Detail

sendOUNIMessage

public boolean sendOUNIMessage(ProtocolMessage message)

Method sendOUNIMessage

Parameters:

message - - XXX

Returns:

boolean - XXX

getTime

public double getTime()

Method getTime Get current Time

Returns:

double - XXX