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

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

public class OUNI_N

extends OUNIModule

Class 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

Nested Class Summary

class

OUNI_N.ClientInfo Class ClientInfo A ClientInfo class has informations of the OUNI_C which is connected to the OUNI_N, and it is recorded at the OUNIClientTblae.

Field Summary

java.util.Hashtable	ConnectionTable Field ConnectionTable - Connection Talbe
java.util.Vector	MessageQueue Field MessageQueue - Message Queue
java.util.Hashtable	OUNIClientTable Field OUNIClientTable - O-UNI Client Table

Fields inherited from class gov.nist.antd.mpls.signaling.ouni.OUNIModule

NodeID, sCRLDPInfo

Constructor Summary

OUNI_N(S_CRLDP crldp)
Constructor OUNI_N

Method Summary

OUNIConnection	establishTransportNetworkPath(MPLSSignalingInfo sinfo, CRLDPControlBlock cb) Method establishTransportNetworkPath Reference : (7), (8) This function is called by the CRLDPControlBlock( - labelRequestProc()) to establish a optical connection between the Egress OXC and the Egress LSR...
int	getInterfaceID(int ipaddr) Method getInterfaceID This function is called by the CRLDPControlBlock( - labelMappingProc())
void	initOUNIClient(OUNI_C client) Initializes the OUNI client.
void	MessageQueueSorting() Method MessageQueueSorting
void	push(ProtocolMessage message, OUNIModule fromClient) Method push This function handles a OUNI message that is sent by the OUNI_C
void	sendOUNIMessage() Method sendOUNIMessage
boolean	sendOUNIMessage(ProtocolMessage message) sendOUNIMessage OUNI message forwarding functions...

Methods inherited from class gov.nist.antd.mpls.signaling.ouni.OUNIModule

getTime

Methods inherited from class java.lang.Object

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

Field Detail

OUNIClientTable

public java.util.Hashtable OUNIClientTable

Field OUNIClientTable - O-UNI Client Table

ConnectionTable

public java.util.Hashtable ConnectionTable

Field ConnectionTable - Connection Talbe

MessageQueue

public java.util.Vector MessageQueue

Field MessageQueue - Message Queue

Constructor Detail

OUNI_N

public OUNI_N(S_CRLDP crldp)

Constructor OUNI_N

Parameters:

crldp - - XXX

Method Detail

initOUNIClient

public void initOUNIClient(OUNI_C client)

Initializes the OUNI client. This function is called by the OUNI_C to register the Client informations...

Parameters:

client - - The Client that has to be initialized.

push

public void push(ProtocolMessage message,
                 OUNIModule fromClient)

Method push This function handles a OUNI message that is sent by the OUNI_C

Parameters:

message - - XXX

fromClient - - XXX

establishTransportNetworkPath

public OUNIConnection establishTransportNetworkPath(MPLSSignalingInfo sinfo,
                                                    CRLDPControlBlock cb)

Method establishTransportNetworkPath Reference : (7), (8) This function is called by the CRLDPControlBlock( - labelRequestProc()) to establish a optical connection between the Egress OXC and the Egress LSR...

Parameters:

sinfo -

cb -

Returns:

OUNIConnection

getInterfaceID

public int getInterfaceID(int ipaddr)

Method getInterfaceID This function is called by the CRLDPControlBlock( - labelMappingProc())

Parameters:

ipaddr -

Returns:

int - Interface ID

sendOUNIMessage

public boolean sendOUNIMessage(ProtocolMessage message)

sendOUNIMessage OUNI message forwarding functions...

Overrides:

sendOUNIMessage in class OUNIModule

Parameters:

message - The message that has to be send.

Returns:

boolean

MessageQueueSorting

public void MessageQueueSorting()

Method MessageQueueSorting

sendOUNIMessage

public void sendOUNIMessage()

Method sendOUNIMessage