assertNotNull(provider, "TCP provider should always be available");
        assertTrue(provider.isAvailable(), "TCP provider should be available");
        assertEquals("TCP Fallback", provider.getProviderName());
    }

    @Test
    public void testCreateProviderDisni() {
        RdmaProvider provider = RdmaProviderFactory.createProvider("disni");

        );

        for (RdmaProvider provider : providers) {
            if (provider.isAvailable()) {
                log.info("Selected RDMA provider: {}", provider.getProviderName());
                return provider;
            }
        }

        log.warn("No RDMA providers available");
        return null;
    }

    /**

        assertNotNull(provider.getProviderName(), "Provider name should not be null");
        assertNotNull(provider.getSupportedCapabilities(), "Supported capabilities should not be null");
        assertTrue(provider.getMaxMessageSize() > 0, "Max message size should be positive");

        System.out.println("Selected RDMA provider: " + provider.getProviderName());

                                   EnumSet<RdmaAccess> access) throws IOException;
    
    /**
     * Get provider name (e.g., "InfiniBand", "iWARP", "RoCE")
     */
    String getProviderName();
    
    /**
     * Get maximum message size supported
     */
    int getMaxMessageSize();
    
    /**
     * Clean up provider resources
     */
    void shutdown();
}

        // TCP doesn't need real memory registration
        return new TcpMemoryRegion(buffer, access);
    }

    @Override
    public String getProviderName() {
        return "TCP Fallback";
    }

    @Override
    public int getMaxMessageSize() {
        return 65536; // 64KB for TCP
    }

    @Override
    public void shutdown() {

    /**
     * Get provider name (e.g., "InfiniBand", "iWARP", "RoCE", "TCP Fallback")
     *
     * @return human-readable provider name
     */
    String getProviderName();

    /**
     * Get maximum message size supported by this provider
     *
     * @return maximum message size in bytes
     */
    int getMaxMessageSize();

    /**

        region.close();
        assertFalse(region.isValid(), "Region should be invalid after close");
    }

    @Test
    public void testGetProviderName() {
        assertEquals("TCP Fallback", provider.getProviderName());
    }

    @Test
    public void testGetMaxMessageSize() {
        assertEquals(65536, provider.getMaxMessageSize(), "TCP provider should have 64KB limit");
    }

    @Test

            } catch (Exception e) {
                throw new IOException("Failed to initialize DiSNI", e);
            }
        }
    }

    @Override
    public String getProviderName() {
        return "DiSNI (InfiniBand/RoCE)";
    }

    @Override
    public int getMaxMessageSize() {
        return 2147483647; // 2GB - DiSNI theoretical limit
    }

    @Override