diff --git a/src/logic.cpp b/src/logic.cpp
index 08ed60e..0c5b87a 100644
--- a/src/logic.cpp
+++ b/src/logic.cpp
@@ -110,7 +110,7 @@
                              bind(&Logic::onSyncInterest, this, _1, _2),
                              bind(&Logic::onSyncRegisterFailed, this, _1, _2));
 
-
+  sendSyncInterest();
   _LOG_DEBUG_ID("<< Logic::Logic");
 }
 
diff --git a/src/socket.cpp b/src/socket.cpp
index 45c6890..695f758 100644
--- a/src/socket.cpp
+++ b/src/socket.cpp
@@ -30,6 +30,7 @@
 
 namespace chronosync {
 
+const ndn::Name Socket::DEFAULT_PREFIX;
 const ndn::Name Socket::DEFAULT_NAME;
 const ndn::shared_ptr<ndn::Validator> Socket::DEFAULT_VALIDATOR;
 
@@ -47,23 +48,30 @@
 {
 }
 
-
 void
-Socket::publishData(const uint8_t* buf, size_t len, const ndn::time::milliseconds& freshness)
+Socket::addSyncNode(const Name& prefix, const Name& signingId)
 {
-  publishData(ndn::dataBlock(ndn::tlv::Content, buf, len), freshness);
+  m_logic.addUserNode(prefix, signingId);
 }
 
 void
-Socket::publishData(const Block& content, const ndn::time::milliseconds& freshness)
+Socket::publishData(const uint8_t* buf, size_t len, const ndn::time::milliseconds& freshness,
+                    const Name& prefix)
+{
+  publishData(ndn::dataBlock(ndn::tlv::Content, buf, len), freshness, prefix);
+}
+
+void
+Socket::publishData(const Block& content, const ndn::time::milliseconds& freshness,
+                    const Name& prefix)
 {
   shared_ptr<Data> data = make_shared<Data>();
   data->setContent(content);
   data->setFreshnessPeriod(freshness);
 
-  SeqNo newSeq = m_logic.getSeqNo() + 1;
+  SeqNo newSeq = m_logic.getSeqNo(prefix) + 1;
   Name dataName;
-  dataName.append(m_logic.getSessionName()).appendNumber(newSeq);
+  dataName.append(m_logic.getSessionName(prefix)).appendNumber(newSeq);
   data->setName(dataName);
 
   if (m_signingId.empty())
@@ -73,7 +81,7 @@
 
   m_face.put(*data);
 
-  m_logic.updateSeqNo(newSeq);
+  m_logic.updateSeqNo(newSeq, prefix);
 }
 
 void
diff --git a/src/socket.hpp b/src/socket.hpp
index c01fb05..3e09c79 100644
--- a/src/socket.hpp
+++ b/src/socket.hpp
@@ -64,19 +64,8 @@
          const Name& signingId = DEFAULT_NAME,
          ndn::shared_ptr<ndn::Validator> validator = DEFAULT_VALIDATOR);
 
-  /**
-   * @brief Publish a data packet in the session and trigger synchronization updates
-   *
-   * This method will create a data packet with the supplied content.
-   * The packet name is the local session + seqNo.
-   * The seqNo is automatically maintained by internal Logic.
-   *
-   * @param buf Pointer to the bytes in content
-   * @param len size of the bytes in content
-   * @param freshness FreshnessPeriod of the data packet.
-   */
   void
-  publishData(const uint8_t* buf, size_t len, const ndn::time::milliseconds& freshness);
+  addSyncNode(const Name& prefix, const Name& signingId = DEFAULT_NAME);
 
   /**
    * @brief Publish a data packet in the session and trigger synchronization updates
@@ -85,11 +74,31 @@
    * The packet name is the local session + seqNo.
    * The seqNo is automatically maintained by internal Logic.
    *
+   * @throws It will throw error, if the prefix does not exist in m_logic
+   *
+   * @param buf Pointer to the bytes in content
+   * @param len size of the bytes in content
+   * @param freshness FreshnessPeriod of the data packet.
+   */
+  void
+  publishData(const uint8_t* buf, size_t len, const ndn::time::milliseconds& freshness,
+              const Name& prefix = DEFAULT_PREFIX);
+
+  /**
+   * @brief Publish a data packet in the session and trigger synchronization updates
+   *
+   * This method will create a data packet with the supplied content.
+   * The packet name is the local session + seqNo.
+   * The seqNo is automatically maintained by internal Logic.
+   *
+   * @throws It will throw error, if the prefix does not exist in m_logic
+   *
    * @param content Block that will be set as the content of the data packet.
    * @param freshness FreshnessPeriod of the data packet.
    */
   void
-  publishData(const Block& content, const ndn::time::milliseconds& freshness);
+  publishData(const Block& content, const ndn::time::milliseconds& freshness,
+              const Name& prefix = DEFAULT_PREFIX);
 
   /**
    * @brief Retrive a data packet with a particular seqNo from a session
@@ -146,6 +155,7 @@
 
 public:
   static const ndn::Name DEFAULT_NAME;
+  static const ndn::Name DEFAULT_PREFIX;
   static const ndn::shared_ptr<ndn::Validator> DEFAULT_VALIDATOR;
 
 private: